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Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r284-csrt-152749175000366
Last Updated
June 26, 2018

About the Execution of ITS-Tools for NQueens-PT-25

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15753.930 65461.00 138446.00 185.50 TTTFFFFTTFFTFTFF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Waiting for the VM to be ready (probing ssh)
.................
/home/mcc/execution
total 664K
-rw-r--r-- 1 mcc users 3.2K May 30 21:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 17K May 30 21:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 29 15:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 29 15:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 2.4K May 28 09:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K May 28 09:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8K May 28 08:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 7.3K May 28 08:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 24 11:17 NewModel
-rw-r--r-- 1 mcc users 3.2K May 28 06:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K May 28 06:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 104 May 26 06:29 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 342 May 26 06:29 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.5K May 27 04:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 04:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 28 07:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 28 07:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 24 11:17 equiv_col
-rw-r--r-- 1 mcc users 3 May 24 11:17 instance
-rw-r--r-- 1 mcc users 6 May 24 11:17 iscolored
-rw-r--r-- 1 mcc users 516K May 24 11:17 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool itstools
Input is NQueens-PT-25, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r284-csrt-152749175000366
=====================================================================

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME NQueens-PT-25-LTLFireability-00
FORMULA_NAME NQueens-PT-25-LTLFireability-01
FORMULA_NAME NQueens-PT-25-LTLFireability-02
FORMULA_NAME NQueens-PT-25-LTLFireability-03
FORMULA_NAME NQueens-PT-25-LTLFireability-04
FORMULA_NAME NQueens-PT-25-LTLFireability-05
FORMULA_NAME NQueens-PT-25-LTLFireability-06
FORMULA_NAME NQueens-PT-25-LTLFireability-07
FORMULA_NAME NQueens-PT-25-LTLFireability-08
FORMULA_NAME NQueens-PT-25-LTLFireability-09
FORMULA_NAME NQueens-PT-25-LTLFireability-10
FORMULA_NAME NQueens-PT-25-LTLFireability-11
FORMULA_NAME NQueens-PT-25-LTLFireability-12
FORMULA_NAME NQueens-PT-25-LTLFireability-13
FORMULA_NAME NQueens-PT-25-LTLFireability-14
FORMULA_NAME NQueens-PT-25-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1527929127567

Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLFireability.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLFireability.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !(("((((cY_21>=1)&&(L_21>=1))&&(R_40>=1))&&(cX_18>=1))"))
Formula 0 simplified : !"((((cY_21>=1)&&(L_21>=1))&&(R_40>=1))&&(cX_18>=1))"
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 625 rows 773 cols
invariant :P_2_1 + -1'P_3_3 + -1'P_3_4 + -1'P_3_5 + -1'P_3_6 + -1'P_3_7 + -1'P_3_8 + -1'P_3_9 + -1'P_3_10 + -1'P_3_11 + -1'P_3_12 + -1'P_3_13 + -1'P_3_14 + -1'P_3_15 + -1'P_3_16 + -1'P_3_17 + -1'P_3_18 + -1'P_3_19 + -1'P_3_20 + -1'P_3_21 + -1'P_3_22 + -1'P_3_23 + -1'P_4_2 + -1'P_4_3 + -2'P_4_4 + -2'P_4_5 + -2'P_4_6 + -2'P_4_7 + -2'P_4_8 + -2'P_4_9 + -2'P_4_10 + -2'P_4_11 + -2'P_4_12 + -2'P_4_13 + -2'P_4_14 + -2'P_4_15 + -2'P_4_16 + -2'P_4_17 + -2'P_4_18 + -2'P_4_19 + -2'P_4_20 + -2'P_4_21 + -2'P_4_22 + -1'P_4_23 + -1'P_5_2 + -2'P_5_3 + -2'P_5_4 + -3'P_5_5 + -3'P_5_6 + -3'P_5_7 + -3'P_5_8 + -3'P_5_9 + -3'P_5_10 + -3'P_5_11 + -3'P_5_12 + -3'P_5_13 + -3'P_5_14 + -3'P_5_15 + -3'P_5_16 + -3'P_5_17 + -3'P_5_18 + -3'P_5_19 + -3'P_5_20 + -3'P_5_21 + -2'P_5_22 + -1'P_5_23 + -1'P_6_2 + -2'P_6_3 + -3'P_6_4 + -3'P_6_5 + -4'P_6_6 + -4'P_6_7 + -4'P_6_8 + -4'P_6_9 + -4'P_6_10 + -4'P_6_11 + -4'P_6_12 + -4'P_6_13 + -4'P_6_14 + -4'P_6_15 + -4'P_6_16 + -4'P_6_17 + -4'P_6_18 + -4'P_6_19 + -4'P_6_20 + -3'P_6_21 + -2'P_6_22 + -1'P_6_23 + -1'P_7_2 + -2'P_7_3 + -3'P_7_4 + -4'P_7_5 + -4'P_7_6 + -5'P_7_7 + -5'P_7_8 + -5'P_7_9 + -5'P_7_10 + -5'P_7_11 + -5'P_7_12 + -5'P_7_13 + -5'P_7_14 + -5'P_7_15 + -5'P_7_16 + -5'P_7_17 + -5'P_7_18 + -5'P_7_19 + -4'P_7_20 + -3'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_2 + -2'P_8_3 + -3'P_8_4 + -4'P_8_5 + -5'P_8_6 + -5'P_8_7 + -6'P_8_8 + -6'P_8_9 + -6'P_8_10 + -6'P_8_11 + -6'P_8_12 + -6'P_8_13 + -6'P_8_14 + -6'P_8_15 + -6'P_8_16 + -6'P_8_17 + -6'P_8_18 + -5'P_8_19 + -4'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_2 + -2'P_9_3 + -3'P_9_4 + -4'P_9_5 + -5'P_9_6 + -6'P_9_7 + -6'P_9_8 + -7'P_9_9 + -7'P_9_10 + -7'P_9_11 + -7'P_9_12 + -7'P_9_13 + -7'P_9_14 + -7'P_9_15 + -7'P_9_16 + -7'P_9_17 + -6'P_9_18 + -5'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_2 + -2'P_10_3 + -3'P_10_4 + -4'P_10_5 + -5'P_10_6 + -6'P_10_7 + -7'P_10_8 + -7'P_10_9 + -8'P_10_10 + -8'P_10_11 + -8'P_10_12 + -8'P_10_13 + -8'P_10_14 + -8'P_10_15 + -8'P_10_16 + -7'P_10_17 + -6'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_2 + -2'P_11_3 + -3'P_11_4 + -4'P_11_5 + -5'P_11_6 + -6'P_11_7 + -7'P_11_8 + -8'P_11_9 + -8'P_11_10 + -9'P_11_11 + -9'P_11_12 + -9'P_11_13 + -9'P_11_14 + -9'P_11_15 + -8'P_11_16 + -7'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_2 + -2'P_12_3 + -3'P_12_4 + -4'P_12_5 + -5'P_12_6 + -6'P_12_7 + -7'P_12_8 + -8'P_12_9 + -9'P_12_10 + -9'P_12_11 + -10'P_12_12 + -10'P_12_13 + -10'P_12_14 + -9'P_12_15 + -8'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_2 + -2'P_13_3 + -3'P_13_4 + -4'P_13_5 + -5'P_13_6 + -6'P_13_7 + -7'P_13_8 + -8'P_13_9 + -9'P_13_10 + -10'P_13_11 + -10'P_13_12 + -11'P_13_13 + -10'P_13_14 + -9'P_13_15 + -8'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_2 + -2'P_14_3 + -3'P_14_4 + -4'P_14_5 + -5'P_14_6 + -6'P_14_7 + -7'P_14_8 + -8'P_14_9 + -9'P_14_10 + -10'P_14_11 + -11'P_14_12 + -10'P_14_13 + -10'P_14_14 + -9'P_14_15 + -8'P_14_16 + -7'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_2 + -2'P_15_3 + -3'P_15_4 + -4'P_15_5 + -5'P_15_6 + -6'P_15_7 + -7'P_15_8 + -8'P_15_9 + -9'P_15_10 + -10'P_15_11 + -10'P_15_12 + -10'P_15_13 + -9'P_15_14 + -9'P_15_15 + -8'P_15_16 + -7'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_2 + -2'P_16_3 + -3'P_16_4 + -4'P_16_5 + -5'P_16_6 + -6'P_16_7 + -7'P_16_8 + -8'P_16_9 + -9'P_16_10 + -9'P_16_11 + -9'P_16_12 + -9'P_16_13 + -9'P_16_14 + -8'P_16_15 + -8'P_16_16 + -7'P_16_17 + -6'P_16_18 + -5'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_2 + -2'P_17_3 + -3'P_17_4 + -4'P_17_5 + -5'P_17_6 + -6'P_17_7 + -7'P_17_8 + -8'P_17_9 + -8'P_17_10 + -8'P_17_11 + -8'P_17_12 + -8'P_17_13 + -8'P_17_14 + -8'P_17_15 + -7'P_17_16 + -7'P_17_17 + -6'P_17_18 + -5'P_17_19 + -4'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_2 + -2'P_18_3 + -3'P_18_4 + -4'P_18_5 + -5'P_18_6 + -6'P_18_7 + -7'P_18_8 + -7'P_18_9 + -7'P_18_10 + -7'P_18_11 + -7'P_18_12 + -7'P_18_13 + -7'P_18_14 + -7'P_18_15 + -7'P_18_16 + -6'P_18_17 + -6'P_18_18 + -5'P_18_19 + -4'P_18_20 + -3'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_2 + -2'P_19_3 + -3'P_19_4 + -4'P_19_5 + -5'P_19_6 + -6'P_19_7 + -6'P_19_8 + -6'P_19_9 + -6'P_19_10 + -6'P_19_11 + -6'P_19_12 + -6'P_19_13 + -6'P_19_14 + -6'P_19_15 + -6'P_19_16 + -6'P_19_17 + -5'P_19_18 + -5'P_19_19 + -4'P_19_20 + -3'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_2 + -2'P_20_3 + -3'P_20_4 + -4'P_20_5 + -5'P_20_6 + -5'P_20_7 + -5'P_20_8 + -5'P_20_9 + -5'P_20_10 + -5'P_20_11 + -5'P_20_12 + -5'P_20_13 + -5'P_20_14 + -5'P_20_15 + -5'P_20_16 + -5'P_20_17 + -5'P_20_18 + -4'P_20_19 + -4'P_20_20 + -3'P_20_21 + -2'P_20_22 + -1'P_20_23 + -1'P_21_2 + -2'P_21_3 + -3'P_21_4 + -4'P_21_5 + -4'P_21_6 + -4'P_21_7 + -4'P_21_8 + -4'P_21_9 + -4'P_21_10 + -4'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -4'P_21_15 + -4'P_21_16 + -4'P_21_17 + -4'P_21_18 + -4'P_21_19 + -3'P_21_20 + -3'P_21_21 + -2'P_21_22 + -1'P_21_23 + -1'P_22_2 + -2'P_22_3 + -3'P_22_4 + -3'P_22_5 + -3'P_22_6 + -3'P_22_7 + -3'P_22_8 + -3'P_22_9 + -3'P_22_10 + -3'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -3'P_22_15 + -3'P_22_16 + -3'P_22_17 + -3'P_22_18 + -3'P_22_19 + -3'P_22_20 + -2'P_22_21 + -2'P_22_22 + -1'P_22_23 + -1'P_23_2 + -2'P_23_3 + -2'P_23_4 + -2'P_23_5 + -2'P_23_6 + -2'P_23_7 + -2'P_23_8 + -2'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -2'P_23_16 + -2'P_23_17 + -2'P_23_18 + -2'P_23_19 + -2'P_23_20 + -2'P_23_21 + -1'P_23_22 + -1'P_23_23 + -1'P_24_2 + -1'P_24_3 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + -1'P_24_22 + -1'cX_3 + -2'cX_4 + -3'cX_5 + -4'cX_6 + -5'cX_7 + -6'cX_8 + -7'cX_9 + -8'cX_10 + -9'cX_11 + -10'cX_12 + -11'cX_13 + -12'cX_14 + -13'cX_15 + -14'cX_16 + -15'cX_17 + -16'cX_18 + -17'cX_19 + -18'cX_20 + -19'cX_21 + -20'cX_22 + -21'cX_23 + -22'cX_24 + -1'cY_2 + -2'cY_3 + -3'cY_4 + -4'cY_5 + -5'cY_6 + -6'cY_7 + -7'cY_8 + -8'cY_9 + -9'cY_10 + -10'cY_11 + -11'cY_12 + -12'cY_13 + -13'cY_14 + -14'cY_15 + -15'cY_16 + -16'cY_17 + -17'cY_18 + -18'cY_19 + -19'cY_20 + -20'cY_21 + -21'cY_22 + -22'cY_23 + -23'cY_24 + 12'L_0 + 11'L_1 + 11'L_2 + 10'L_3 + 10'L_4 + 9'L_5 + 9'L_6 + 8'L_7 + 8'L_8 + 7'L_9 + 7'L_10 + 6'L_11 + 6'L_12 + 5'L_13 + 5'L_14 + 4'L_15 + 4'L_16 + 3'L_17 + 3'L_18 + 2'L_19 + 2'L_20 + L_21 + L_22 + L_28 + L_29 + 2'L_30 + 2'L_31 + 3'L_32 + 3'L_33 + 4'L_34 + 4'L_35 + 5'L_36 + 5'L_37 + 6'L_38 + 6'L_39 + 7'L_40 + 7'L_41 + 8'L_42 + 8'L_43 + 9'L_44 + 9'L_45 + 10'L_46 + 10'L_47 + 11'L_48 + R_4 + R_5 + 2'R_6 + 2'R_7 + 3'R_8 + 3'R_9 + 4'R_10 + 4'R_11 + 5'R_12 + 5'R_13 + 6'R_14 + 6'R_15 + 7'R_16 + 7'R_17 + 8'R_18 + 8'R_19 + 9'R_20 + 9'R_21 + 10'R_22 + 10'R_23 + 11'R_24 + 11'R_25 + 12'R_26 + 12'R_27 + 14'R_28 + 15'R_29 + 17'R_30 + 18'R_31 + 20'R_32 + 21'R_33 + 23'R_34 + 24'R_35 + 26'R_36 + 27'R_37 + 29'R_38 + 30'R_39 + 32'R_40 + 33'R_41 + 35'R_42 + 36'R_43 + 38'R_44 + 39'R_45 + 41'R_46 + 42'R_47 + 44'R_48 + 45'R_49 = 541
invariant :P_10_1 + P_10_2 + P_10_3 + P_10_4 + P_10_5 + P_10_6 + P_10_7 + P_10_8 + P_10_9 + P_10_10 + P_10_11 + P_10_12 + P_10_13 + P_10_14 + P_10_15 + P_10_16 + P_10_17 + P_10_18 + P_10_19 + P_10_20 + P_10_21 + P_10_22 + P_10_23 + P_11_2 + P_11_3 + P_11_4 + P_11_5 + P_11_6 + P_11_7 + P_11_8 + P_11_9 + P_11_10 + P_11_11 + P_11_12 + P_11_13 + P_11_14 + P_11_15 + P_11_16 + P_11_17 + P_11_18 + P_11_19 + P_11_20 + P_11_21 + P_11_22 + P_12_3 + P_12_4 + P_12_5 + P_12_6 + P_12_7 + P_12_8 + P_12_9 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_12_15 + P_12_16 + P_12_17 + P_12_18 + P_12_19 + P_12_20 + P_12_21 + P_13_4 + P_13_5 + P_13_6 + P_13_7 + P_13_8 + P_13_9 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_13_17 + P_13_18 + P_13_19 + P_13_20 + P_14_5 + P_14_6 + P_14_7 + P_14_8 + P_14_9 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_14_17 + P_14_18 + P_14_19 + P_15_6 + P_15_7 + P_15_8 + P_15_9 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_15_17 + P_15_18 + P_16_7 + P_16_8 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_16_17 + P_17_8 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_20_11 + P_20_12 + P_20_13 + P_21_12 + -1'P_22_12 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + cX_10 + cX_11 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_34 + -1'L_35 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_35 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -15
invariant :cX_0 + cX_3 + 3'cX_4 + 6'cX_5 + 10'cX_6 + 15'cX_7 + 21'cX_8 + 28'cX_9 + 36'cX_10 + 45'cX_11 + 55'cX_12 + 66'cX_13 + 78'cX_14 + 91'cX_15 + 105'cX_16 + 120'cX_17 + 136'cX_18 + 153'cX_19 + 171'cX_20 + 190'cX_21 + 210'cX_22 + 231'cX_23 + 253'cX_24 + cY_2 + 3'cY_3 + 6'cY_4 + 10'cY_5 + 15'cY_6 + 21'cY_7 + 28'cY_8 + 36'cY_9 + 45'cY_10 + 55'cY_11 + 66'cY_12 + 78'cY_13 + 91'cY_14 + 105'cY_15 + 120'cY_16 + 136'cY_17 + 153'cY_18 + 171'cY_19 + 190'cY_20 + 210'cY_21 + 231'cY_22 + 253'cY_23 + 276'cY_24 + -156'L_0 + -143'L_1 + -132'L_2 + -120'L_3 + -110'L_4 + -99'L_5 + -90'L_6 + -80'L_7 + -72'L_8 + -63'L_9 + -56'L_10 + -48'L_11 + -42'L_12 + -35'L_13 + -30'L_14 + -24'L_15 + -20'L_16 + -15'L_17 + -12'L_18 + -8'L_19 + -6'L_20 + -3'L_21 + -2'L_22 + L_25 + -2'L_28 + -3'L_29 + -6'L_30 + -8'L_31 + -12'L_32 + -15'L_33 + -20'L_34 + -24'L_35 + -30'L_36 + -35'L_37 + -42'L_38 + -48'L_39 + -56'L_40 + -63'L_41 + -72'L_42 + -80'L_43 + -90'L_44 + -99'L_45 + -110'L_46 + -120'L_47 + -132'L_48 + -1'R_1 + -1'R_2 + -1'R_4 + -1'R_5 + -3'R_6 + -4'R_7 + -7'R_8 + -9'R_9 + -13'R_10 + -16'R_11 + -21'R_12 + -25'R_13 + -31'R_14 + -36'R_15 + -43'R_16 + -49'R_17 + -57'R_18 + -64'R_19 + -73'R_20 + -81'R_21 + -91'R_22 + -100'R_23 + -111'R_24 + -121'R_25 + -133'R_26 + -144'R_27 + -157'R_28 + -169'R_29 + -183'R_30 + -196'R_31 + -211'R_32 + -225'R_33 + -241'R_34 + -256'R_35 + -273'R_36 + -289'R_37 + -307'R_38 + -324'R_39 + -343'R_40 + -361'R_41 + -381'R_42 + -400'R_43 + -421'R_44 + -441'R_45 + -463'R_46 + -484'R_47 + -507'R_48 + -529'R_49 = -6504
invariant :P_1_17 + -1'P_3_16 + -1'P_3_17 + -1'P_3_18 + -1'P_4_15 + -2'P_4_16 + -2'P_4_17 + -2'P_4_18 + -1'P_4_19 + -1'P_5_14 + -2'P_5_15 + -3'P_5_16 + -3'P_5_17 + -3'P_5_18 + -2'P_5_19 + -1'P_5_20 + -1'P_6_13 + -2'P_6_14 + -3'P_6_15 + -4'P_6_16 + -4'P_6_17 + -4'P_6_18 + -3'P_6_19 + -2'P_6_20 + -1'P_6_21 + -1'P_7_12 + -2'P_7_13 + -3'P_7_14 + -4'P_7_15 + -5'P_7_16 + -5'P_7_17 + -5'P_7_18 + -4'P_7_19 + -3'P_7_20 + -2'P_7_21 + -1'P_7_22 + -1'P_8_11 + -2'P_8_12 + -3'P_8_13 + -4'P_8_14 + -5'P_8_15 + -6'P_8_16 + -6'P_8_17 + -6'P_8_18 + -5'P_8_19 + -4'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_10 + -2'P_9_11 + -3'P_9_12 + -4'P_9_13 + -5'P_9_14 + -6'P_9_15 + -7'P_9_16 + -7'P_9_17 + -7'P_9_18 + -6'P_9_19 + -5'P_9_20 + -4'P_9_21 + -3'P_9_22 + -2'P_9_23 + -1'P_10_9 + -2'P_10_10 + -3'P_10_11 + -4'P_10_12 + -5'P_10_13 + -6'P_10_14 + -7'P_10_15 + -8'P_10_16 + -8'P_10_17 + -8'P_10_18 + -7'P_10_19 + -6'P_10_20 + -5'P_10_21 + -4'P_10_22 + -2'P_10_23 + -1'P_11_8 + -2'P_11_9 + -3'P_11_10 + -4'P_11_11 + -5'P_11_12 + -6'P_11_13 + -7'P_11_14 + -8'P_11_15 + -9'P_11_16 + -9'P_11_17 + -9'P_11_18 + -8'P_11_19 + -7'P_11_20 + -6'P_11_21 + -4'P_11_22 + -2'P_11_23 + -1'P_12_7 + -2'P_12_8 + -3'P_12_9 + -4'P_12_10 + -5'P_12_11 + -6'P_12_12 + -7'P_12_13 + -8'P_12_14 + -9'P_12_15 + -10'P_12_16 + -10'P_12_17 + -10'P_12_18 + -9'P_12_19 + -8'P_12_20 + -6'P_12_21 + -4'P_12_22 + -2'P_12_23 + -1'P_13_6 + -2'P_13_7 + -3'P_13_8 + -4'P_13_9 + -5'P_13_10 + -6'P_13_11 + -7'P_13_12 + -8'P_13_13 + -9'P_13_14 + -10'P_13_15 + -11'P_13_16 + -11'P_13_17 + -11'P_13_18 + -10'P_13_19 + -8'P_13_20 + -6'P_13_21 + -4'P_13_22 + -2'P_13_23 + -1'P_14_5 + -2'P_14_6 + -3'P_14_7 + -4'P_14_8 + -5'P_14_9 + -6'P_14_10 + -7'P_14_11 + -8'P_14_12 + -9'P_14_13 + -10'P_14_14 + -11'P_14_15 + -12'P_14_16 + -12'P_14_17 + -12'P_14_18 + -10'P_14_19 + -8'P_14_20 + -6'P_14_21 + -4'P_14_22 + -2'P_14_23 + -1'P_15_4 + -2'P_15_5 + -3'P_15_6 + -4'P_15_7 + -5'P_15_8 + -6'P_15_9 + -7'P_15_10 + -8'P_15_11 + -9'P_15_12 + -10'P_15_13 + -11'P_15_14 + -12'P_15_15 + -13'P_15_16 + -13'P_15_17 + -12'P_15_18 + -10'P_15_19 + -8'P_15_20 + -6'P_15_21 + -4'P_15_22 + -2'P_15_23 + -1'P_16_3 + -2'P_16_4 + -3'P_16_5 + -4'P_16_6 + -5'P_16_7 + -6'P_16_8 + -7'P_16_9 + -8'P_16_10 + -9'P_16_11 + -10'P_16_12 + -11'P_16_13 + -12'P_16_14 + -13'P_16_15 + -14'P_16_16 + -13'P_16_17 + -12'P_16_18 + -10'P_16_19 + -8'P_16_20 + -6'P_16_21 + -4'P_16_22 + -2'P_16_23 + -1'P_17_2 + -2'P_17_3 + -3'P_17_4 + -4'P_17_5 + -5'P_17_6 + -6'P_17_7 + -7'P_17_8 + -8'P_17_9 + -9'P_17_10 + -10'P_17_11 + -11'P_17_12 + -12'P_17_13 + -13'P_17_14 + -14'P_17_15 + -14'P_17_16 + -13'P_17_17 + -12'P_17_18 + -10'P_17_19 + -8'P_17_20 + -6'P_17_21 + -4'P_17_22 + -2'P_17_23 + -1'P_18_2 + -2'P_18_3 + -3'P_18_4 + -4'P_18_5 + -5'P_18_6 + -6'P_18_7 + -7'P_18_8 + -8'P_18_9 + -9'P_18_10 + -10'P_18_11 + -11'P_18_12 + -12'P_18_13 + -13'P_18_14 + -13'P_18_15 + -13'P_18_16 + -12'P_18_17 + -11'P_18_18 + -9'P_18_19 + -7'P_18_20 + -5'P_18_21 + -3'P_18_22 + -1'P_18_23 + -1'P_19_3 + -2'P_19_4 + -3'P_19_5 + -4'P_19_6 + -5'P_19_7 + -6'P_19_8 + -7'P_19_9 + -8'P_19_10 + -9'P_19_11 + -10'P_19_12 + -11'P_19_13 + -11'P_19_14 + -11'P_19_15 + -11'P_19_16 + -10'P_19_17 + -9'P_19_18 + -7'P_19_19 + -5'P_19_20 + -3'P_19_21 + -1'P_19_22 + -1'P_20_4 + -2'P_20_5 + -3'P_20_6 + -4'P_20_7 + -5'P_20_8 + -6'P_20_9 + -7'P_20_10 + -8'P_20_11 + -9'P_20_12 + -9'P_20_13 + -9'P_20_14 + -9'P_20_15 + -9'P_20_16 + -8'P_20_17 + -7'P_20_18 + -5'P_20_19 + -3'P_20_20 + -1'P_20_21 + -1'P_21_5 + -2'P_21_6 + -3'P_21_7 + -4'P_21_8 + -5'P_21_9 + -6'P_21_10 + -7'P_21_11 + -7'P_21_12 + -7'P_21_13 + -7'P_21_14 + -7'P_21_15 + -7'P_21_16 + -6'P_21_17 + -5'P_21_18 + -3'P_21_19 + -1'P_21_20 + -1'P_22_6 + -2'P_22_7 + -3'P_22_8 + -4'P_22_9 + -5'P_22_10 + -5'P_22_11 + -5'P_22_12 + -5'P_22_13 + -5'P_22_14 + -5'P_22_15 + -5'P_22_16 + -4'P_22_17 + -3'P_22_18 + -1'P_22_19 + -1'P_23_7 + -2'P_23_8 + -3'P_23_9 + -3'P_23_10 + -3'P_23_11 + -3'P_23_12 + -3'P_23_13 + -3'P_23_14 + -3'P_23_15 + -3'P_23_16 + -2'P_23_17 + -1'P_23_18 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + cX_18 + 3'cX_19 + 5'cX_20 + 7'cX_21 + 9'cX_22 + 11'cX_23 + 13'cX_24 + cY_17 + 2'cY_18 + 4'cY_19 + 6'cY_20 + 8'cY_21 + 10'cY_22 + 12'cY_23 + 14'cY_24 + -8'L_0 + -7'L_1 + -6'L_2 + -5'L_3 + -4'L_4 + -3'L_5 + -2'L_6 + -1'L_7 + -1'L_42 + -2'L_43 + -3'L_44 + -4'L_45 + -5'L_46 + -6'L_47 + -7'L_48 + -1'R_20 + -2'R_21 + -3'R_22 + -4'R_23 + -5'R_24 + -6'R_25 + -7'R_26 + -8'R_27 + -9'R_28 + -10'R_29 + -11'R_30 + -12'R_31 + -13'R_32 + -14'R_33 + -14'R_34 + -14'R_35 + -14'R_36 + -14'R_37 + -14'R_38 + -14'R_39 + -14'R_40 + -14'R_41 + -14'R_42 + -15'R_43 + -17'R_44 + -19'R_45 + -21'R_46 + -23'R_47 + -25'R_48 + -27'R_49 = -336
invariant :P_9_24 + P_10_23 + P_11_22 + P_12_21 + P_13_20 + P_14_19 + P_15_18 + P_16_17 + P_17_16 + P_18_15 + P_19_14 + P_20_13 + P_21_12 + P_22_11 + P_23_10 + P_24_9 + R_34 = 1
invariant :P_23_24 + P_24_23 + R_48 = 1
invariant :P_5_0 + -1'P_6_2 + -1'P_6_3 + -1'P_6_4 + -1'P_6_5 + -1'P_6_6 + -1'P_6_7 + -1'P_6_8 + -1'P_6_9 + -1'P_6_10 + -1'P_6_11 + -1'P_6_12 + -1'P_6_13 + -1'P_6_14 + -1'P_6_15 + -1'P_6_16 + -1'P_6_17 + -1'P_6_18 + -1'P_6_19 + -1'P_6_20 + -1'P_6_21 + -1'P_6_22 + -1'P_6_23 + -1'P_7_3 + -1'P_7_4 + -1'P_7_5 + -1'P_7_6 + -1'P_7_7 + -1'P_7_8 + -1'P_7_9 + -1'P_7_10 + -1'P_7_11 + -1'P_7_12 + -1'P_7_13 + -1'P_7_14 + -1'P_7_15 + -1'P_7_16 + -1'P_7_17 + -1'P_7_18 + -1'P_7_19 + -1'P_7_20 + -1'P_7_21 + -1'P_7_22 + -1'P_8_4 + -1'P_8_5 + -1'P_8_6 + -1'P_8_7 + -1'P_8_8 + -1'P_8_9 + -1'P_8_10 + -1'P_8_11 + -1'P_8_12 + -1'P_8_13 + -1'P_8_14 + -1'P_8_15 + -1'P_8_16 + -1'P_8_17 + -1'P_8_18 + -1'P_8_19 + -1'P_8_20 + -1'P_8_21 + -1'P_9_5 + -1'P_9_6 + -1'P_9_7 + -1'P_9_8 + -1'P_9_9 + -1'P_9_10 + -1'P_9_11 + -1'P_9_12 + -1'P_9_13 + -1'P_9_14 + -1'P_9_15 + -1'P_9_16 + -1'P_9_17 + -1'P_9_18 + -1'P_9_19 + -1'P_9_20 + -1'P_10_6 + -1'P_10_7 + -1'P_10_8 + -1'P_10_9 + -1'P_10_10 + -1'P_10_11 + -1'P_10_12 + -1'P_10_13 + -1'P_10_14 + -1'P_10_15 + -1'P_10_16 + -1'P_10_17 + -1'P_10_18 + -1'P_10_19 + -1'P_11_7 + -1'P_11_8 + -1'P_11_9 + -1'P_11_10 + -1'P_11_11 + -1'P_11_12 + -1'P_11_13 + -1'P_11_14 + -1'P_11_15 + -1'P_11_16 + -1'P_11_17 + -1'P_11_18 + -1'P_12_8 + -1'P_12_9 + -1'P_12_10 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_12_15 + -1'P_12_16 + -1'P_12_17 + -1'P_13_9 + -1'P_13_10 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_13_16 + -1'P_14_10 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_16_12 + -1'P_16_13 + P_18_12 + P_18_13 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + -1'cX_6 + -1'cX_7 + -1'cX_8 + -1'cX_9 + -1'cX_10 + -1'cX_11 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_29 + L_30 + L_31 + L_32 + L_33 + L_34 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_31 + R_32 + R_33 + R_34 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 20
invariant :P_6_0 + -1'P_7_2 + -1'P_7_3 + -1'P_7_4 + -1'P_7_5 + -1'P_7_6 + -1'P_7_7 + -1'P_7_8 + -1'P_7_9 + -1'P_7_10 + -1'P_7_11 + -1'P_7_12 + -1'P_7_13 + -1'P_7_14 + -1'P_7_15 + -1'P_7_16 + -1'P_7_17 + -1'P_7_18 + -1'P_7_19 + -1'P_7_20 + -1'P_7_21 + -1'P_7_22 + -1'P_7_23 + -1'P_8_3 + -1'P_8_4 + -1'P_8_5 + -1'P_8_6 + -1'P_8_7 + -1'P_8_8 + -1'P_8_9 + -1'P_8_10 + -1'P_8_11 + -1'P_8_12 + -1'P_8_13 + -1'P_8_14 + -1'P_8_15 + -1'P_8_16 + -1'P_8_17 + -1'P_8_18 + -1'P_8_19 + -1'P_8_20 + -1'P_8_21 + -1'P_8_22 + -1'P_9_4 + -1'P_9_5 + -1'P_9_6 + -1'P_9_7 + -1'P_9_8 + -1'P_9_9 + -1'P_9_10 + -1'P_9_11 + -1'P_9_12 + -1'P_9_13 + -1'P_9_14 + -1'P_9_15 + -1'P_9_16 + -1'P_9_17 + -1'P_9_18 + -1'P_9_19 + -1'P_9_20 + -1'P_9_21 + -1'P_10_5 + -1'P_10_6 + -1'P_10_7 + -1'P_10_8 + -1'P_10_9 + -1'P_10_10 + -1'P_10_11 + -1'P_10_12 + -1'P_10_13 + -1'P_10_14 + -1'P_10_15 + -1'P_10_16 + -1'P_10_17 + -1'P_10_18 + -1'P_10_19 + -1'P_10_20 + -1'P_11_6 + -1'P_11_7 + -1'P_11_8 + -1'P_11_9 + -1'P_11_10 + -1'P_11_11 + -1'P_11_12 + -1'P_11_13 + -1'P_11_14 + -1'P_11_15 + -1'P_11_16 + -1'P_11_17 + -1'P_11_18 + -1'P_11_19 + -1'P_12_7 + -1'P_12_8 + -1'P_12_9 + -1'P_12_10 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_12_15 + -1'P_12_16 + -1'P_12_17 + -1'P_12_18 + -1'P_13_8 + -1'P_13_9 + -1'P_13_10 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_13_16 + -1'P_13_17 + -1'P_14_9 + -1'P_14_10 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_14_16 + -1'P_15_10 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_17_12 + -1'P_17_13 + P_19_12 + P_19_13 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + -1'cX_7 + -1'cX_8 + -1'cX_9 + -1'cX_10 + -1'cX_11 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_30 + L_31 + L_32 + L_33 + L_34 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_32 + R_33 + R_34 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 19
invariant :P_22_1 + P_22_2 + P_22_3 + P_22_4 + P_22_5 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_22_19 + P_22_20 + P_22_21 + P_22_22 + P_22_23 + P_23_2 + P_23_3 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_23_21 + P_23_22 + P_24_3 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + cX_22 + cX_23 + cX_24 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_47 + -1'R_48 + -1'R_49 = -3
invariant :P_2_11 + P_3_10 + P_3_11 + P_3_12 + P_4_9 + P_4_10 + 2'P_4_11 + P_4_12 + P_4_13 + P_5_8 + P_5_9 + 2'P_5_10 + 2'P_5_11 + 2'P_5_12 + P_5_13 + P_5_14 + P_6_7 + P_6_8 + 2'P_6_9 + 2'P_6_10 + 3'P_6_11 + 2'P_6_12 + 2'P_6_13 + P_6_14 + P_6_15 + P_7_6 + P_7_7 + 2'P_7_8 + 2'P_7_9 + 3'P_7_10 + 3'P_7_11 + 3'P_7_12 + 2'P_7_13 + 2'P_7_14 + P_7_15 + P_7_16 + P_8_5 + P_8_6 + 2'P_8_7 + 2'P_8_8 + 3'P_8_9 + 3'P_8_10 + 4'P_8_11 + 3'P_8_12 + 3'P_8_13 + 2'P_8_14 + 2'P_8_15 + P_8_16 + P_8_17 + P_9_4 + P_9_5 + 2'P_9_6 + 2'P_9_7 + 3'P_9_8 + 3'P_9_9 + 4'P_9_10 + 4'P_9_11 + 4'P_9_12 + 3'P_9_13 + 3'P_9_14 + 2'P_9_15 + 2'P_9_16 + P_9_17 + P_9_18 + P_10_3 + P_10_4 + 2'P_10_5 + 2'P_10_6 + 3'P_10_7 + 3'P_10_8 + 4'P_10_9 + 4'P_10_10 + 5'P_10_11 + 4'P_10_12 + 4'P_10_13 + 3'P_10_14 + 3'P_10_15 + 2'P_10_16 + 2'P_10_17 + P_10_18 + P_10_19 + P_11_2 + P_11_3 + 2'P_11_4 + 2'P_11_5 + 3'P_11_6 + 3'P_11_7 + 4'P_11_8 + 4'P_11_9 + 5'P_11_10 + 5'P_11_11 + 5'P_11_12 + 4'P_11_13 + 4'P_11_14 + 3'P_11_15 + 3'P_11_16 + 2'P_11_17 + 2'P_11_18 + P_11_19 + P_11_20 + P_12_3 + P_12_4 + 2'P_12_5 + 2'P_12_6 + 3'P_12_7 + 3'P_12_8 + 4'P_12_9 + 4'P_12_10 + 5'P_12_11 + 4'P_12_12 + 4'P_12_13 + 3'P_12_14 + 3'P_12_15 + 2'P_12_16 + 2'P_12_17 + P_12_18 + P_12_19 + -1'P_12_22 + -1'P_12_23 + P_13_4 + P_13_5 + 2'P_13_6 + 2'P_13_7 + 3'P_13_8 + 3'P_13_9 + 4'P_13_10 + 4'P_13_11 + 4'P_13_12 + 3'P_13_13 + 3'P_13_14 + 2'P_13_15 + 2'P_13_16 + P_13_17 + P_13_18 + -1'P_13_21 + -1'P_13_22 + -1'P_13_23 + P_14_5 + P_14_6 + 2'P_14_7 + 2'P_14_8 + 3'P_14_9 + 3'P_14_10 + 4'P_14_11 + 3'P_14_12 + 3'P_14_13 + 2'P_14_14 + 2'P_14_15 + P_14_16 + P_14_17 + -1'P_14_20 + -1'P_14_21 + -1'P_14_22 + P_15_6 + P_15_7 + 2'P_15_8 + 2'P_15_9 + 3'P_15_10 + 3'P_15_11 + 3'P_15_12 + 2'P_15_13 + 2'P_15_14 + P_15_15 + P_15_16 + -1'P_15_19 + -1'P_15_20 + -1'P_15_21 + P_16_7 + P_16_8 + 2'P_16_9 + 2'P_16_10 + 3'P_16_11 + 2'P_16_12 + 2'P_16_13 + P_16_14 + P_16_15 + -1'P_16_18 + -1'P_16_19 + -1'P_16_20 + P_17_8 + P_17_9 + 2'P_17_10 + 2'P_17_11 + 2'P_17_12 + P_17_13 + P_17_14 + -1'P_17_17 + -1'P_17_18 + -1'P_17_19 + P_18_9 + P_18_10 + 2'P_18_11 + P_18_12 + P_18_13 + -1'P_18_16 + -1'P_18_17 + -1'P_18_18 + P_19_10 + P_19_11 + P_19_12 + -1'P_19_15 + -1'P_19_16 + -1'P_19_17 + P_20_11 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_23_12 + -1'P_23_13 + -1'cX_12 + -2'cX_13 + -3'cX_14 + -4'cX_15 + -5'cX_16 + -6'cX_17 + -7'cX_18 + -8'cX_19 + -9'cX_20 + -10'cX_21 + -11'cX_22 + -12'cX_23 + -13'cX_24 + -1'cY_12 + -2'cY_13 + -3'cY_14 + -4'cY_15 + -5'cY_16 + -6'cY_17 + -7'cY_18 + -8'cY_19 + -9'cY_20 + -10'cY_21 + -11'cY_22 + -12'cY_23 + -13'cY_24 + 7'L_0 + 6'L_1 + 6'L_2 + 5'L_3 + 5'L_4 + 4'L_5 + 4'L_6 + 3'L_7 + 3'L_8 + 2'L_9 + 2'L_10 + L_11 + L_12 + L_36 + L_37 + 2'L_38 + 2'L_39 + 3'L_40 + 3'L_41 + 4'L_42 + 4'L_43 + 5'L_44 + 5'L_45 + 6'L_46 + 6'L_47 + 7'L_48 + R_14 + R_15 + 2'R_16 + 2'R_17 + 3'R_18 + 3'R_19 + 4'R_20 + 4'R_21 + 5'R_22 + 5'R_23 + 6'R_24 + 6'R_25 + 7'R_26 + 7'R_27 + 8'R_28 + 8'R_29 + 9'R_30 + 9'R_31 + 10'R_32 + 10'R_33 + 11'R_34 + 11'R_35 + 12'R_36 + 13'R_37 + 15'R_38 + 16'R_39 + 17'R_40 + 18'R_41 + 19'R_42 + 20'R_43 + 21'R_44 + 22'R_45 + 23'R_46 + 24'R_47 + 25'R_48 + 26'R_49 = 319
invariant :P_1_1 + P_3_3 + P_3_4 + P_3_5 + P_3_6 + P_3_7 + P_3_8 + P_3_9 + P_3_10 + P_3_11 + P_3_12 + P_3_13 + P_3_14 + P_3_15 + P_3_16 + P_3_17 + P_3_18 + P_3_19 + P_3_20 + P_3_21 + P_3_22 + P_3_23 + P_4_3 + 2'P_4_4 + 2'P_4_5 + 2'P_4_6 + 2'P_4_7 + 2'P_4_8 + 2'P_4_9 + 2'P_4_10 + 2'P_4_11 + 2'P_4_12 + 2'P_4_13 + 2'P_4_14 + 2'P_4_15 + 2'P_4_16 + 2'P_4_17 + 2'P_4_18 + 2'P_4_19 + 2'P_4_20 + 2'P_4_21 + 2'P_4_22 + P_4_23 + P_5_3 + 2'P_5_4 + 3'P_5_5 + 3'P_5_6 + 3'P_5_7 + 3'P_5_8 + 3'P_5_9 + 3'P_5_10 + 3'P_5_11 + 3'P_5_12 + 3'P_5_13 + 3'P_5_14 + 3'P_5_15 + 3'P_5_16 + 3'P_5_17 + 3'P_5_18 + 3'P_5_19 + 3'P_5_20 + 3'P_5_21 + 2'P_5_22 + P_5_23 + P_6_3 + 2'P_6_4 + 3'P_6_5 + 4'P_6_6 + 4'P_6_7 + 4'P_6_8 + 4'P_6_9 + 4'P_6_10 + 4'P_6_11 + 4'P_6_12 + 4'P_6_13 + 4'P_6_14 + 4'P_6_15 + 4'P_6_16 + 4'P_6_17 + 4'P_6_18 + 4'P_6_19 + 4'P_6_20 + 3'P_6_21 + 2'P_6_22 + P_6_23 + P_7_3 + 2'P_7_4 + 3'P_7_5 + 4'P_7_6 + 5'P_7_7 + 5'P_7_8 + 5'P_7_9 + 5'P_7_10 + 5'P_7_11 + 5'P_7_12 + 5'P_7_13 + 5'P_7_14 + 5'P_7_15 + 5'P_7_16 + 5'P_7_17 + 5'P_7_18 + 5'P_7_19 + 4'P_7_20 + 3'P_7_21 + 2'P_7_22 + P_7_23 + P_8_3 + 2'P_8_4 + 3'P_8_5 + 4'P_8_6 + 5'P_8_7 + 6'P_8_8 + 6'P_8_9 + 6'P_8_10 + 6'P_8_11 + 6'P_8_12 + 6'P_8_13 + 6'P_8_14 + 6'P_8_15 + 6'P_8_16 + 6'P_8_17 + 6'P_8_18 + 5'P_8_19 + 4'P_8_20 + 3'P_8_21 + 2'P_8_22 + P_8_23 + P_9_3 + 2'P_9_4 + 3'P_9_5 + 4'P_9_6 + 5'P_9_7 + 6'P_9_8 + 7'P_9_9 + 7'P_9_10 + 7'P_9_11 + 7'P_9_12 + 7'P_9_13 + 7'P_9_14 + 7'P_9_15 + 7'P_9_16 + 7'P_9_17 + 6'P_9_18 + 5'P_9_19 + 4'P_9_20 + 3'P_9_21 + 2'P_9_22 + P_9_23 + P_10_3 + 2'P_10_4 + 3'P_10_5 + 4'P_10_6 + 5'P_10_7 + 6'P_10_8 + 7'P_10_9 + 8'P_10_10 + 8'P_10_11 + 8'P_10_12 + 8'P_10_13 + 8'P_10_14 + 8'P_10_15 + 8'P_10_16 + 7'P_10_17 + 6'P_10_18 + 5'P_10_19 + 4'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_3 + 2'P_11_4 + 3'P_11_5 + 4'P_11_6 + 5'P_11_7 + 6'P_11_8 + 7'P_11_9 + 8'P_11_10 + 9'P_11_11 + 9'P_11_12 + 9'P_11_13 + 9'P_11_14 + 9'P_11_15 + 8'P_11_16 + 7'P_11_17 + 6'P_11_18 + 5'P_11_19 + 4'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_3 + 2'P_12_4 + 3'P_12_5 + 4'P_12_6 + 5'P_12_7 + 6'P_12_8 + 7'P_12_9 + 8'P_12_10 + 9'P_12_11 + 10'P_12_12 + 10'P_12_13 + 10'P_12_14 + 9'P_12_15 + 8'P_12_16 + 7'P_12_17 + 6'P_12_18 + 5'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_3 + 2'P_13_4 + 3'P_13_5 + 4'P_13_6 + 5'P_13_7 + 6'P_13_8 + 7'P_13_9 + 8'P_13_10 + 9'P_13_11 + 10'P_13_12 + 11'P_13_13 + 10'P_13_14 + 9'P_13_15 + 8'P_13_16 + 7'P_13_17 + 6'P_13_18 + 5'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_3 + 2'P_14_4 + 3'P_14_5 + 4'P_14_6 + 5'P_14_7 + 6'P_14_8 + 7'P_14_9 + 8'P_14_10 + 9'P_14_11 + 10'P_14_12 + 10'P_14_13 + 10'P_14_14 + 9'P_14_15 + 8'P_14_16 + 7'P_14_17 + 6'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_3 + 2'P_15_4 + 3'P_15_5 + 4'P_15_6 + 5'P_15_7 + 6'P_15_8 + 7'P_15_9 + 8'P_15_10 + 9'P_15_11 + 9'P_15_12 + 9'P_15_13 + 9'P_15_14 + 9'P_15_15 + 8'P_15_16 + 7'P_15_17 + 6'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_3 + 2'P_16_4 + 3'P_16_5 + 4'P_16_6 + 5'P_16_7 + 6'P_16_8 + 7'P_16_9 + 8'P_16_10 + 8'P_16_11 + 8'P_16_12 + 8'P_16_13 + 8'P_16_14 + 8'P_16_15 + 8'P_16_16 + 7'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_3 + 2'P_17_4 + 3'P_17_5 + 4'P_17_6 + 5'P_17_7 + 6'P_17_8 + 7'P_17_9 + 7'P_17_10 + 7'P_17_11 + 7'P_17_12 + 7'P_17_13 + 7'P_17_14 + 7'P_17_15 + 7'P_17_16 + 7'P_17_17 + 6'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_3 + 2'P_18_4 + 3'P_18_5 + 4'P_18_6 + 5'P_18_7 + 6'P_18_8 + 6'P_18_9 + 6'P_18_10 + 6'P_18_11 + 6'P_18_12 + 6'P_18_13 + 6'P_18_14 + 6'P_18_15 + 6'P_18_16 + 6'P_18_17 + 6'P_18_18 + 5'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_3 + 2'P_19_4 + 3'P_19_5 + 4'P_19_6 + 5'P_19_7 + 5'P_19_8 + 5'P_19_9 + 5'P_19_10 + 5'P_19_11 + 5'P_19_12 + 5'P_19_13 + 5'P_19_14 + 5'P_19_15 + 5'P_19_16 + 5'P_19_17 + 5'P_19_18 + 5'P_19_19 + 4'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_3 + 2'P_20_4 + 3'P_20_5 + 4'P_20_6 + 4'P_20_7 + 4'P_20_8 + 4'P_20_9 + 4'P_20_10 + 4'P_20_11 + 4'P_20_12 + 4'P_20_13 + 4'P_20_14 + 4'P_20_15 + 4'P_20_16 + 4'P_20_17 + 4'P_20_18 + 4'P_20_19 + 4'P_20_20 + 3'P_20_21 + 2'P_20_22 + P_20_23 + P_21_3 + 2'P_21_4 + 3'P_21_5 + 3'P_21_6 + 3'P_21_7 + 3'P_21_8 + 3'P_21_9 + 3'P_21_10 + 3'P_21_11 + 3'P_21_12 + 3'P_21_13 + 3'P_21_14 + 3'P_21_15 + 3'P_21_16 + 3'P_21_17 + 3'P_21_18 + 3'P_21_19 + 3'P_21_20 + 3'P_21_21 + 2'P_21_22 + P_21_23 + P_22_3 + 2'P_22_4 + 2'P_22_5 + 2'P_22_6 + 2'P_22_7 + 2'P_22_8 + 2'P_22_9 + 2'P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + 2'P_22_16 + 2'P_22_17 + 2'P_22_18 + 2'P_22_19 + 2'P_22_20 + 2'P_22_21 + 2'P_22_22 + P_22_23 + P_23_3 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_23_21 + P_23_22 + P_23_23 + cX_3 + 2'cX_4 + 3'cX_5 + 4'cX_6 + 5'cX_7 + 6'cX_8 + 7'cX_9 + 8'cX_10 + 9'cX_11 + 10'cX_12 + 11'cX_13 + 12'cX_14 + 13'cX_15 + 14'cX_16 + 15'cX_17 + 16'cX_18 + 17'cX_19 + 18'cX_20 + 19'cX_21 + 20'cX_22 + 21'cX_23 + 22'cX_24 + cY_3 + 2'cY_4 + 3'cY_5 + 4'cY_6 + 5'cY_7 + 6'cY_8 + 7'cY_9 + 8'cY_10 + 9'cY_11 + 10'cY_12 + 11'cY_13 + 12'cY_14 + 13'cY_15 + 14'cY_16 + 15'cY_17 + 16'cY_18 + 17'cY_19 + 18'cY_20 + 19'cY_21 + 20'cY_22 + 21'cY_23 + 22'cY_24 + -12'L_0 + -11'L_1 + -11'L_2 + -10'L_3 + -10'L_4 + -9'L_5 + -9'L_6 + -8'L_7 + -8'L_8 + -7'L_9 + -7'L_10 + -6'L_11 + -6'L_12 + -5'L_13 + -5'L_14 + -4'L_15 + -4'L_16 + -3'L_17 + -3'L_18 + -2'L_19 + -2'L_20 + -1'L_21 + -1'L_22 + -1'L_26 + -1'L_27 + -2'L_28 + -2'L_29 + -3'L_30 + -3'L_31 + -4'L_32 + -4'L_33 + -5'L_34 + -5'L_35 + -6'L_36 + -6'L_37 + -7'L_38 + -7'L_39 + -8'L_40 + -8'L_41 + -9'L_42 + -9'L_43 + -10'L_44 + -10'L_45 + -11'L_46 + -11'L_47 + -12'L_48 + R_3 + -1'R_6 + -1'R_7 + -2'R_8 + -2'R_9 + -3'R_10 + -3'R_11 + -4'R_12 + -4'R_13 + -5'R_14 + -5'R_15 + -6'R_16 + -6'R_17 + -7'R_18 + -7'R_19 + -8'R_20 + -8'R_21 + -9'R_22 + -9'R_23 + -10'R_24 + -10'R_25 + -11'R_26 + -11'R_27 + -13'R_28 + -14'R_29 + -16'R_30 + -17'R_31 + -19'R_32 + -20'R_33 + -22'R_34 + -23'R_35 + -25'R_36 + -26'R_37 + -28'R_38 + -29'R_39 + -31'R_40 + -32'R_41 + -34'R_42 + -35'R_43 + -37'R_44 + -38'R_45 + -40'R_46 + -41'R_47 + -43'R_48 + -44'R_49 = -540
invariant :P_11_0 + -1'P_12_2 + -1'P_12_3 + -1'P_12_4 + -1'P_12_5 + -1'P_12_6 + -1'P_12_7 + -1'P_12_8 + -1'P_12_9 + -1'P_12_10 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_12_15 + -1'P_12_16 + -1'P_12_17 + -1'P_12_18 + -1'P_12_19 + -1'P_12_20 + -1'P_12_21 + -1'P_12_22 + -1'P_12_23 + -1'P_13_3 + -1'P_13_4 + -1'P_13_5 + -1'P_13_6 + -1'P_13_7 + -1'P_13_8 + -1'P_13_9 + -1'P_13_10 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_13_16 + -1'P_13_17 + -1'P_13_18 + -1'P_13_19 + -1'P_13_20 + -1'P_13_21 + -1'P_13_22 + -1'P_14_4 + -1'P_14_5 + -1'P_14_6 + -1'P_14_7 + -1'P_14_8 + -1'P_14_9 + -1'P_14_10 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_14_16 + -1'P_14_17 + -1'P_14_18 + -1'P_14_19 + -1'P_14_20 + -1'P_14_21 + -1'P_15_5 + -1'P_15_6 + -1'P_15_7 + -1'P_15_8 + -1'P_15_9 + -1'P_15_10 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_15_16 + -1'P_15_17 + -1'P_15_18 + -1'P_15_19 + -1'P_15_20 + -1'P_16_6 + -1'P_16_7 + -1'P_16_8 + -1'P_16_9 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_16_16 + -1'P_16_17 + -1'P_16_18 + -1'P_16_19 + -1'P_17_7 + -1'P_17_8 + -1'P_17_9 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_17_16 + -1'P_17_17 + -1'P_17_18 + -1'P_18_8 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_18_16 + -1'P_18_17 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_22_12 + -1'P_22_13 + P_24_12 + P_24_13 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 14
invariant :P_16_1 + P_16_2 + P_16_3 + P_16_4 + P_16_5 + P_16_6 + P_16_7 + P_16_8 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_16_17 + P_16_18 + P_16_19 + P_16_20 + P_16_21 + P_16_22 + P_16_23 + P_17_2 + P_17_3 + P_17_4 + P_17_5 + P_17_6 + P_17_7 + P_17_8 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_17_17 + P_17_18 + P_17_19 + P_17_20 + P_17_21 + P_17_22 + P_18_3 + P_18_4 + P_18_5 + P_18_6 + P_18_7 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_18_17 + P_18_18 + P_18_19 + P_18_20 + P_18_21 + P_19_4 + P_19_5 + P_19_6 + P_19_7 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_19_18 + P_19_19 + P_19_20 + P_20_5 + P_20_6 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_20_18 + P_20_19 + P_21_6 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -9
invariant :P_16_0 + -1'P_17_2 + -1'P_17_3 + -1'P_17_4 + -1'P_17_5 + -1'P_17_6 + -1'P_17_7 + -1'P_17_8 + -1'P_17_9 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_17_16 + -1'P_17_17 + -1'P_17_18 + -1'P_17_19 + -1'P_17_20 + -1'P_17_21 + -1'P_17_22 + -1'P_17_23 + -1'P_18_3 + -1'P_18_4 + -1'P_18_5 + -1'P_18_6 + -1'P_18_7 + -1'P_18_8 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_18_16 + -1'P_18_17 + -1'P_18_18 + -1'P_18_19 + -1'P_18_20 + -1'P_18_21 + -1'P_18_22 + -1'P_19_4 + -1'P_19_5 + -1'P_19_6 + -1'P_19_7 + -1'P_19_8 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_19_17 + -1'P_19_18 + -1'P_19_19 + -1'P_19_20 + -1'P_19_21 + -1'P_20_5 + -1'P_20_6 + -1'P_20_7 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_20_18 + -1'P_20_19 + -1'P_20_20 + -1'P_21_6 + -1'P_21_7 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_21_19 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 9
invariant :P_1_0 + P_3_2 + P_3_3 + P_3_4 + P_3_5 + P_3_6 + P_3_7 + P_3_8 + P_3_9 + P_3_10 + P_3_11 + P_3_12 + P_3_13 + P_3_14 + P_3_15 + P_3_16 + P_3_17 + P_3_18 + P_3_19 + P_3_20 + P_3_21 + P_3_22 + P_3_23 + P_4_2 + 2'P_4_3 + 2'P_4_4 + 2'P_4_5 + 2'P_4_6 + 2'P_4_7 + 2'P_4_8 + 2'P_4_9 + 2'P_4_10 + 2'P_4_11 + 2'P_4_12 + 2'P_4_13 + 2'P_4_14 + 2'P_4_15 + 2'P_4_16 + 2'P_4_17 + 2'P_4_18 + 2'P_4_19 + 2'P_4_20 + 2'P_4_21 + 2'P_4_22 + P_4_23 + P_5_2 + 2'P_5_3 + 3'P_5_4 + 3'P_5_5 + 3'P_5_6 + 3'P_5_7 + 3'P_5_8 + 3'P_5_9 + 3'P_5_10 + 3'P_5_11 + 3'P_5_12 + 3'P_5_13 + 3'P_5_14 + 3'P_5_15 + 3'P_5_16 + 3'P_5_17 + 3'P_5_18 + 3'P_5_19 + 3'P_5_20 + 3'P_5_21 + 2'P_5_22 + P_5_23 + P_6_2 + 2'P_6_3 + 3'P_6_4 + 4'P_6_5 + 4'P_6_6 + 4'P_6_7 + 4'P_6_8 + 4'P_6_9 + 4'P_6_10 + 4'P_6_11 + 4'P_6_12 + 4'P_6_13 + 4'P_6_14 + 4'P_6_15 + 4'P_6_16 + 4'P_6_17 + 4'P_6_18 + 4'P_6_19 + 4'P_6_20 + 3'P_6_21 + 2'P_6_22 + P_6_23 + P_7_2 + 2'P_7_3 + 3'P_7_4 + 4'P_7_5 + 5'P_7_6 + 5'P_7_7 + 5'P_7_8 + 5'P_7_9 + 5'P_7_10 + 5'P_7_11 + 5'P_7_12 + 5'P_7_13 + 5'P_7_14 + 5'P_7_15 + 5'P_7_16 + 5'P_7_17 + 5'P_7_18 + 5'P_7_19 + 4'P_7_20 + 3'P_7_21 + 2'P_7_22 + P_7_23 + P_8_2 + 2'P_8_3 + 3'P_8_4 + 4'P_8_5 + 5'P_8_6 + 6'P_8_7 + 6'P_8_8 + 6'P_8_9 + 6'P_8_10 + 6'P_8_11 + 6'P_8_12 + 6'P_8_13 + 6'P_8_14 + 6'P_8_15 + 6'P_8_16 + 6'P_8_17 + 6'P_8_18 + 5'P_8_19 + 4'P_8_20 + 3'P_8_21 + 2'P_8_22 + P_8_23 + P_9_2 + 2'P_9_3 + 3'P_9_4 + 4'P_9_5 + 5'P_9_6 + 6'P_9_7 + 7'P_9_8 + 7'P_9_9 + 7'P_9_10 + 7'P_9_11 + 7'P_9_12 + 7'P_9_13 + 7'P_9_14 + 7'P_9_15 + 7'P_9_16 + 7'P_9_17 + 6'P_9_18 + 5'P_9_19 + 4'P_9_20 + 3'P_9_21 + 2'P_9_22 + P_9_23 + P_10_2 + 2'P_10_3 + 3'P_10_4 + 4'P_10_5 + 5'P_10_6 + 6'P_10_7 + 7'P_10_8 + 8'P_10_9 + 8'P_10_10 + 8'P_10_11 + 8'P_10_12 + 8'P_10_13 + 8'P_10_14 + 8'P_10_15 + 8'P_10_16 + 7'P_10_17 + 6'P_10_18 + 5'P_10_19 + 4'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_2 + 2'P_11_3 + 3'P_11_4 + 4'P_11_5 + 5'P_11_6 + 6'P_11_7 + 7'P_11_8 + 8'P_11_9 + 9'P_11_10 + 9'P_11_11 + 9'P_11_12 + 9'P_11_13 + 9'P_11_14 + 9'P_11_15 + 8'P_11_16 + 7'P_11_17 + 6'P_11_18 + 5'P_11_19 + 4'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_2 + 2'P_12_3 + 3'P_12_4 + 4'P_12_5 + 5'P_12_6 + 6'P_12_7 + 7'P_12_8 + 8'P_12_9 + 9'P_12_10 + 10'P_12_11 + 10'P_12_12 + 10'P_12_13 + 10'P_12_14 + 9'P_12_15 + 8'P_12_16 + 7'P_12_17 + 6'P_12_18 + 5'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_2 + 2'P_13_3 + 3'P_13_4 + 4'P_13_5 + 5'P_13_6 + 6'P_13_7 + 7'P_13_8 + 8'P_13_9 + 9'P_13_10 + 10'P_13_11 + 11'P_13_12 + 11'P_13_13 + 10'P_13_14 + 9'P_13_15 + 8'P_13_16 + 7'P_13_17 + 6'P_13_18 + 5'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_2 + 2'P_14_3 + 3'P_14_4 + 4'P_14_5 + 5'P_14_6 + 6'P_14_7 + 7'P_14_8 + 8'P_14_9 + 9'P_14_10 + 10'P_14_11 + 11'P_14_12 + 11'P_14_13 + 10'P_14_14 + 9'P_14_15 + 8'P_14_16 + 7'P_14_17 + 6'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_2 + 2'P_15_3 + 3'P_15_4 + 4'P_15_5 + 5'P_15_6 + 6'P_15_7 + 7'P_15_8 + 8'P_15_9 + 9'P_15_10 + 10'P_15_11 + 10'P_15_12 + 10'P_15_13 + 10'P_15_14 + 9'P_15_15 + 8'P_15_16 + 7'P_15_17 + 6'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_2 + 2'P_16_3 + 3'P_16_4 + 4'P_16_5 + 5'P_16_6 + 6'P_16_7 + 7'P_16_8 + 8'P_16_9 + 9'P_16_10 + 9'P_16_11 + 9'P_16_12 + 9'P_16_13 + 9'P_16_14 + 9'P_16_15 + 8'P_16_16 + 7'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_2 + 2'P_17_3 + 3'P_17_4 + 4'P_17_5 + 5'P_17_6 + 6'P_17_7 + 7'P_17_8 + 8'P_17_9 + 8'P_17_10 + 8'P_17_11 + 8'P_17_12 + 8'P_17_13 + 8'P_17_14 + 8'P_17_15 + 8'P_17_16 + 7'P_17_17 + 6'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_2 + 2'P_18_3 + 3'P_18_4 + 4'P_18_5 + 5'P_18_6 + 6'P_18_7 + 7'P_18_8 + 7'P_18_9 + 7'P_18_10 + 7'P_18_11 + 7'P_18_12 + 7'P_18_13 + 7'P_18_14 + 7'P_18_15 + 7'P_18_16 + 7'P_18_17 + 6'P_18_18 + 5'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_2 + 2'P_19_3 + 3'P_19_4 + 4'P_19_5 + 5'P_19_6 + 6'P_19_7 + 6'P_19_8 + 6'P_19_9 + 6'P_19_10 + 6'P_19_11 + 6'P_19_12 + 6'P_19_13 + 6'P_19_14 + 6'P_19_15 + 6'P_19_16 + 6'P_19_17 + 6'P_19_18 + 5'P_19_19 + 4'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_2 + 2'P_20_3 + 3'P_20_4 + 4'P_20_5 + 5'P_20_6 + 5'P_20_7 + 5'P_20_8 + 5'P_20_9 + 5'P_20_10 + 5'P_20_11 + 5'P_20_12 + 5'P_20_13 + 5'P_20_14 + 5'P_20_15 + 5'P_20_16 + 5'P_20_17 + 5'P_20_18 + 5'P_20_19 + 4'P_20_20 + 3'P_20_21 + 2'P_20_22 + P_20_23 + P_21_2 + 2'P_21_3 + 3'P_21_4 + 4'P_21_5 + 4'P_21_6 + 4'P_21_7 + 4'P_21_8 + 4'P_21_9 + 4'P_21_10 + 4'P_21_11 + 4'P_21_12 + 4'P_21_13 + 4'P_21_14 + 4'P_21_15 + 4'P_21_16 + 4'P_21_17 + 4'P_21_18 + 4'P_21_19 + 4'P_21_20 + 3'P_21_21 + 2'P_21_22 + P_21_23 + P_22_2 + 2'P_22_3 + 3'P_22_4 + 3'P_22_5 + 3'P_22_6 + 3'P_22_7 + 3'P_22_8 + 3'P_22_9 + 3'P_22_10 + 3'P_22_11 + 3'P_22_12 + 3'P_22_13 + 3'P_22_14 + 3'P_22_15 + 3'P_22_16 + 3'P_22_17 + 3'P_22_18 + 3'P_22_19 + 3'P_22_20 + 3'P_22_21 + 2'P_22_22 + P_22_23 + P_23_2 + 2'P_23_3 + 2'P_23_4 + 2'P_23_5 + 2'P_23_6 + 2'P_23_7 + 2'P_23_8 + 2'P_23_9 + 2'P_23_10 + 2'P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + 2'P_23_15 + 2'P_23_16 + 2'P_23_17 + 2'P_23_18 + 2'P_23_19 + 2'P_23_20 + 2'P_23_21 + 2'P_23_22 + P_23_23 + P_24_2 + P_24_3 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + P_24_22 + P_24_23 + cX_3 + 2'cX_4 + 3'cX_5 + 4'cX_6 + 5'cX_7 + 6'cX_8 + 7'cX_9 + 8'cX_10 + 9'cX_11 + 10'cX_12 + 11'cX_13 + 12'cX_14 + 13'cX_15 + 14'cX_16 + 15'cX_17 + 16'cX_18 + 17'cX_19 + 18'cX_20 + 19'cX_21 + 20'cX_22 + 21'cX_23 + 22'cX_24 + cY_2 + 2'cY_3 + 3'cY_4 + 4'cY_5 + 5'cY_6 + 6'cY_7 + 7'cY_8 + 8'cY_9 + 9'cY_10 + 10'cY_11 + 11'cY_12 + 12'cY_13 + 13'cY_14 + 14'cY_15 + 15'cY_16 + 16'cY_17 + 17'cY_18 + 18'cY_19 + 19'cY_20 + 20'cY_21 + 21'cY_22 + 22'cY_23 + 23'cY_24 + -12'L_0 + -11'L_1 + -11'L_2 + -10'L_3 + -10'L_4 + -9'L_5 + -9'L_6 + -8'L_7 + -8'L_8 + -7'L_9 + -7'L_10 + -6'L_11 + -6'L_12 + -5'L_13 + -5'L_14 + -4'L_15 + -4'L_16 + -3'L_17 + -3'L_18 + -2'L_19 + -2'L_20 + -1'L_21 + -1'L_22 + L_25 + -1'L_28 + -1'L_29 + -2'L_30 + -2'L_31 + -3'L_32 + -3'L_33 + -4'L_34 + -4'L_35 + -5'L_36 + -5'L_37 + -6'L_38 + -6'L_39 + -7'L_40 + -7'L_41 + -8'L_42 + -8'L_43 + -9'L_44 + -9'L_45 + -10'L_46 + -10'L_47 + -11'L_48 + -1'R_4 + -1'R_5 + -2'R_6 + -2'R_7 + -3'R_8 + -3'R_9 + -4'R_10 + -4'R_11 + -5'R_12 + -5'R_13 + -6'R_14 + -6'R_15 + -7'R_16 + -7'R_17 + -8'R_18 + -8'R_19 + -9'R_20 + -9'R_21 + -10'R_22 + -10'R_23 + -11'R_24 + -11'R_25 + -12'R_26 + -12'R_27 + -14'R_28 + -15'R_29 + -17'R_30 + -18'R_31 + -20'R_32 + -21'R_33 + -23'R_34 + -24'R_35 + -26'R_36 + -27'R_37 + -29'R_38 + -30'R_39 + -32'R_40 + -33'R_41 + -35'R_42 + -36'R_43 + -38'R_44 + -39'R_45 + -41'R_46 + -42'R_47 + -44'R_48 + -45'R_49 = -540
invariant :P_14_24 + P_15_23 + P_16_22 + P_17_21 + P_18_20 + P_19_19 + P_20_18 + P_21_17 + P_22_16 + P_23_15 + P_24_14 + R_39 = 1
invariant :P_2_2 + -1'P_3_4 + -1'P_3_5 + -1'P_3_6 + -1'P_3_7 + -1'P_3_8 + -1'P_3_9 + -1'P_3_10 + -1'P_3_11 + -1'P_3_12 + -1'P_3_13 + -1'P_3_14 + -1'P_3_15 + -1'P_3_16 + -1'P_3_17 + -1'P_3_18 + -1'P_3_19 + -1'P_3_20 + -1'P_3_21 + -1'P_3_22 + -1'P_3_23 + -1'P_4_3 + -1'P_4_4 + -2'P_4_5 + -2'P_4_6 + -2'P_4_7 + -2'P_4_8 + -2'P_4_9 + -2'P_4_10 + -2'P_4_11 + -2'P_4_12 + -2'P_4_13 + -2'P_4_14 + -2'P_4_15 + -2'P_4_16 + -2'P_4_17 + -2'P_4_18 + -2'P_4_19 + -2'P_4_20 + -2'P_4_21 + -2'P_4_22 + -1'P_4_23 + -1'P_5_3 + -2'P_5_4 + -2'P_5_5 + -3'P_5_6 + -3'P_5_7 + -3'P_5_8 + -3'P_5_9 + -3'P_5_10 + -3'P_5_11 + -3'P_5_12 + -3'P_5_13 + -3'P_5_14 + -3'P_5_15 + -3'P_5_16 + -3'P_5_17 + -3'P_5_18 + -3'P_5_19 + -3'P_5_20 + -3'P_5_21 + -2'P_5_22 + -1'P_5_23 + -1'P_6_3 + -2'P_6_4 + -3'P_6_5 + -3'P_6_6 + -4'P_6_7 + -4'P_6_8 + -4'P_6_9 + -4'P_6_10 + -4'P_6_11 + -4'P_6_12 + -4'P_6_13 + -4'P_6_14 + -4'P_6_15 + -4'P_6_16 + -4'P_6_17 + -4'P_6_18 + -4'P_6_19 + -4'P_6_20 + -3'P_6_21 + -2'P_6_22 + -1'P_6_23 + -1'P_7_3 + -2'P_7_4 + -3'P_7_5 + -4'P_7_6 + -4'P_7_7 + -5'P_7_8 + -5'P_7_9 + -5'P_7_10 + -5'P_7_11 + -5'P_7_12 + -5'P_7_13 + -5'P_7_14 + -5'P_7_15 + -5'P_7_16 + -5'P_7_17 + -5'P_7_18 + -5'P_7_19 + -4'P_7_20 + -3'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_3 + -2'P_8_4 + -3'P_8_5 + -4'P_8_6 + -5'P_8_7 + -5'P_8_8 + -6'P_8_9 + -6'P_8_10 + -6'P_8_11 + -6'P_8_12 + -6'P_8_13 + -6'P_8_14 + -6'P_8_15 + -6'P_8_16 + -6'P_8_17 + -6'P_8_18 + -5'P_8_19 + -4'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_3 + -2'P_9_4 + -3'P_9_5 + -4'P_9_6 + -5'P_9_7 + -6'P_9_8 + -6'P_9_9 + -7'P_9_10 + -7'P_9_11 + -7'P_9_12 + -7'P_9_13 + -7'P_9_14 + -7'P_9_15 + -7'P_9_16 + -7'P_9_17 + -6'P_9_18 + -5'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_3 + -2'P_10_4 + -3'P_10_5 + -4'P_10_6 + -5'P_10_7 + -6'P_10_8 + -7'P_10_9 + -7'P_10_10 + -8'P_10_11 + -8'P_10_12 + -8'P_10_13 + -8'P_10_14 + -8'P_10_15 + -8'P_10_16 + -7'P_10_17 + -6'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_3 + -2'P_11_4 + -3'P_11_5 + -4'P_11_6 + -5'P_11_7 + -6'P_11_8 + -7'P_11_9 + -8'P_11_10 + -8'P_11_11 + -9'P_11_12 + -9'P_11_13 + -9'P_11_14 + -9'P_11_15 + -8'P_11_16 + -7'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_3 + -2'P_12_4 + -3'P_12_5 + -4'P_12_6 + -5'P_12_7 + -6'P_12_8 + -7'P_12_9 + -8'P_12_10 + -9'P_12_11 + -9'P_12_12 + -10'P_12_13 + -10'P_12_14 + -9'P_12_15 + -8'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_3 + -2'P_13_4 + -3'P_13_5 + -4'P_13_6 + -5'P_13_7 + -6'P_13_8 + -7'P_13_9 + -8'P_13_10 + -9'P_13_11 + -10'P_13_12 + -10'P_13_13 + -10'P_13_14 + -9'P_13_15 + -8'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_3 + -2'P_14_4 + -3'P_14_5 + -4'P_14_6 + -5'P_14_7 + -6'P_14_8 + -7'P_14_9 + -8'P_14_10 + -9'P_14_11 + -10'P_14_12 + -10'P_14_13 + -9'P_14_14 + -9'P_14_15 + -8'P_14_16 + -7'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_3 + -2'P_15_4 + -3'P_15_5 + -4'P_15_6 + -5'P_15_7 + -6'P_15_8 + -7'P_15_9 + -8'P_15_10 + -9'P_15_11 + -9'P_15_12 + -9'P_15_13 + -9'P_15_14 + -8'P_15_15 + -8'P_15_16 + -7'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_3 + -2'P_16_4 + -3'P_16_5 + -4'P_16_6 + -5'P_16_7 + -6'P_16_8 + -7'P_16_9 + -8'P_16_10 + -8'P_16_11 + -8'P_16_12 + -8'P_16_13 + -8'P_16_14 + -8'P_16_15 + -7'P_16_16 + -7'P_16_17 + -6'P_16_18 + -5'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_3 + -2'P_17_4 + -3'P_17_5 + -4'P_17_6 + -5'P_17_7 + -6'P_17_8 + -7'P_17_9 + -7'P_17_10 + -7'P_17_11 + -7'P_17_12 + -7'P_17_13 + -7'P_17_14 + -7'P_17_15 + -7'P_17_16 + -6'P_17_17 + -6'P_17_18 + -5'P_17_19 + -4'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_3 + -2'P_18_4 + -3'P_18_5 + -4'P_18_6 + -5'P_18_7 + -6'P_18_8 + -6'P_18_9 + -6'P_18_10 + -6'P_18_11 + -6'P_18_12 + -6'P_18_13 + -6'P_18_14 + -6'P_18_15 + -6'P_18_16 + -6'P_18_17 + -5'P_18_18 + -5'P_18_19 + -4'P_18_20 + -3'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_3 + -2'P_19_4 + -3'P_19_5 + -4'P_19_6 + -5'P_19_7 + -5'P_19_8 + -5'P_19_9 + -5'P_19_10 + -5'P_19_11 + -5'P_19_12 + -5'P_19_13 + -5'P_19_14 + -5'P_19_15 + -5'P_19_16 + -5'P_19_17 + -5'P_19_18 + -4'P_19_19 + -4'P_19_20 + -3'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_3 + -2'P_20_4 + -3'P_20_5 + -4'P_20_6 + -4'P_20_7 + -4'P_20_8 + -4'P_20_9 + -4'P_20_10 + -4'P_20_11 + -4'P_20_12 + -4'P_20_13 + -4'P_20_14 + -4'P_20_15 + -4'P_20_16 + -4'P_20_17 + -4'P_20_18 + -4'P_20_19 + -3'P_20_20 + -3'P_20_21 + -2'P_20_22 + -1'P_20_23 + -1'P_21_3 + -2'P_21_4 + -3'P_21_5 + -3'P_21_6 + -3'P_21_7 + -3'P_21_8 + -3'P_21_9 + -3'P_21_10 + -3'P_21_11 + -3'P_21_12 + -3'P_21_13 + -3'P_21_14 + -3'P_21_15 + -3'P_21_16 + -3'P_21_17 + -3'P_21_18 + -3'P_21_19 + -3'P_21_20 + -2'P_21_21 + -2'P_21_22 + -1'P_21_23 + -1'P_22_3 + -2'P_22_4 + -2'P_22_5 + -2'P_22_6 + -2'P_22_7 + -2'P_22_8 + -2'P_22_9 + -2'P_22_10 + -2'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -2'P_22_15 + -2'P_22_16 + -2'P_22_17 + -2'P_22_18 + -2'P_22_19 + -2'P_22_20 + -2'P_22_21 + -1'P_22_22 + -1'P_22_23 + -1'P_23_3 + -1'P_23_4 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'P_23_21 + -1'P_23_22 + -1'cX_3 + -2'cX_4 + -3'cX_5 + -4'cX_6 + -5'cX_7 + -6'cX_8 + -7'cX_9 + -8'cX_10 + -9'cX_11 + -10'cX_12 + -11'cX_13 + -12'cX_14 + -13'cX_15 + -14'cX_16 + -15'cX_17 + -16'cX_18 + -17'cX_19 + -18'cX_20 + -19'cX_21 + -20'cX_22 + -21'cX_23 + -22'cX_24 + -1'cY_3 + -2'cY_4 + -3'cY_5 + -4'cY_6 + -5'cY_7 + -6'cY_8 + -7'cY_9 + -8'cY_10 + -9'cY_11 + -10'cY_12 + -11'cY_13 + -12'cY_14 + -13'cY_15 + -14'cY_16 + -15'cY_17 + -16'cY_18 + -17'cY_19 + -18'cY_20 + -19'cY_21 + -20'cY_22 + -21'cY_23 + -22'cY_24 + 11'L_0 + 11'L_1 + 10'L_2 + 10'L_3 + 9'L_4 + 9'L_5 + 8'L_6 + 8'L_7 + 7'L_8 + 7'L_9 + 6'L_10 + 6'L_11 + 5'L_12 + 5'L_13 + 4'L_14 + 4'L_15 + 3'L_16 + 3'L_17 + 2'L_18 + 2'L_19 + L_20 + L_21 + L_27 + L_28 + 2'L_29 + 2'L_30 + 3'L_31 + 3'L_32 + 4'L_33 + 4'L_34 + 5'L_35 + 5'L_36 + 6'L_37 + 6'L_38 + 7'L_39 + 7'L_40 + 8'L_41 + 8'L_42 + 9'L_43 + 9'L_44 + 10'L_45 + 10'L_46 + 11'L_47 + 11'L_48 + R_5 + R_6 + 2'R_7 + 2'R_8 + 3'R_9 + 3'R_10 + 4'R_11 + 4'R_12 + 5'R_13 + 5'R_14 + 6'R_15 + 6'R_16 + 7'R_17 + 7'R_18 + 8'R_19 + 8'R_20 + 9'R_21 + 9'R_22 + 10'R_23 + 10'R_24 + 11'R_25 + 11'R_26 + 12'R_27 + 13'R_28 + 15'R_29 + 16'R_30 + 18'R_31 + 19'R_32 + 21'R_33 + 22'R_34 + 24'R_35 + 25'R_36 + 27'R_37 + 28'R_38 + 30'R_39 + 31'R_40 + 33'R_41 + 34'R_42 + 36'R_43 + 37'R_44 + 39'R_45 + 40'R_46 + 42'R_47 + 43'R_48 + 44'R_49 = 539
invariant :P_2_13 + P_3_12 + P_3_13 + P_3_14 + P_4_11 + P_4_12 + 2'P_4_13 + P_4_14 + P_4_15 + P_5_10 + P_5_11 + 2'P_5_12 + 2'P_5_13 + 2'P_5_14 + P_5_15 + P_5_16 + P_6_9 + P_6_10 + 2'P_6_11 + 2'P_6_12 + 3'P_6_13 + 2'P_6_14 + 2'P_6_15 + P_6_16 + P_6_17 + P_7_8 + P_7_9 + 2'P_7_10 + 2'P_7_11 + 3'P_7_12 + 3'P_7_13 + 3'P_7_14 + 2'P_7_15 + 2'P_7_16 + P_7_17 + P_7_18 + P_8_7 + P_8_8 + 2'P_8_9 + 2'P_8_10 + 3'P_8_11 + 3'P_8_12 + 4'P_8_13 + 3'P_8_14 + 3'P_8_15 + 2'P_8_16 + 2'P_8_17 + P_8_18 + P_8_19 + P_9_6 + P_9_7 + 2'P_9_8 + 2'P_9_9 + 3'P_9_10 + 3'P_9_11 + 4'P_9_12 + 4'P_9_13 + 4'P_9_14 + 3'P_9_15 + 3'P_9_16 + 2'P_9_17 + 2'P_9_18 + P_9_19 + P_9_20 + P_10_5 + P_10_6 + 2'P_10_7 + 2'P_10_8 + 3'P_10_9 + 3'P_10_10 + 4'P_10_11 + 4'P_10_12 + 5'P_10_13 + 4'P_10_14 + 4'P_10_15 + 3'P_10_16 + 3'P_10_17 + 2'P_10_18 + 2'P_10_19 + P_10_20 + P_10_21 + P_11_4 + P_11_5 + 2'P_11_6 + 2'P_11_7 + 3'P_11_8 + 3'P_11_9 + 4'P_11_10 + 4'P_11_11 + 5'P_11_12 + 5'P_11_13 + 5'P_11_14 + 4'P_11_15 + 4'P_11_16 + 3'P_11_17 + 3'P_11_18 + 2'P_11_19 + 2'P_11_20 + P_11_21 + P_11_22 + P_12_3 + P_12_4 + 2'P_12_5 + 2'P_12_6 + 3'P_12_7 + 3'P_12_8 + 4'P_12_9 + 4'P_12_10 + 5'P_12_11 + 5'P_12_12 + 6'P_12_13 + 5'P_12_14 + 5'P_12_15 + 4'P_12_16 + 4'P_12_17 + 3'P_12_18 + 3'P_12_19 + 2'P_12_20 + 2'P_12_21 + P_12_22 + P_12_23 + P_13_2 + P_13_3 + 2'P_13_4 + 2'P_13_5 + 3'P_13_6 + 3'P_13_7 + 4'P_13_8 + 4'P_13_9 + 5'P_13_10 + 5'P_13_11 + 6'P_13_12 + 6'P_13_13 + 6'P_13_14 + 5'P_13_15 + 5'P_13_16 + 4'P_13_17 + 4'P_13_18 + 3'P_13_19 + 3'P_13_20 + 2'P_13_21 + 2'P_13_22 + P_13_23 + P_14_3 + P_14_4 + 2'P_14_5 + 2'P_14_6 + 3'P_14_7 + 3'P_14_8 + 4'P_14_9 + 4'P_14_10 + 5'P_14_11 + 5'P_14_12 + 6'P_14_13 + 5'P_14_14 + 5'P_14_15 + 4'P_14_16 + 4'P_14_17 + 3'P_14_18 + 3'P_14_19 + 2'P_14_20 + 2'P_14_21 + P_14_22 + P_15_4 + P_15_5 + 2'P_15_6 + 2'P_15_7 + 3'P_15_8 + 3'P_15_9 + 4'P_15_10 + 4'P_15_11 + 5'P_15_12 + 5'P_15_13 + 5'P_15_14 + 4'P_15_15 + 4'P_15_16 + 3'P_15_17 + 3'P_15_18 + 2'P_15_19 + 2'P_15_20 + P_15_21 + P_16_5 + P_16_6 + 2'P_16_7 + 2'P_16_8 + 3'P_16_9 + 3'P_16_10 + 4'P_16_11 + 4'P_16_12 + 5'P_16_13 + 4'P_16_14 + 4'P_16_15 + 3'P_16_16 + 3'P_16_17 + 2'P_16_18 + 2'P_16_19 + P_16_20 + P_17_6 + P_17_7 + 2'P_17_8 + 2'P_17_9 + 3'P_17_10 + 3'P_17_11 + 4'P_17_12 + 4'P_17_13 + 4'P_17_14 + 3'P_17_15 + 3'P_17_16 + 2'P_17_17 + 2'P_17_18 + P_17_19 + P_18_7 + P_18_8 + 2'P_18_9 + 2'P_18_10 + 3'P_18_11 + 3'P_18_12 + 4'P_18_13 + 3'P_18_14 + 3'P_18_15 + 2'P_18_16 + 2'P_18_17 + P_18_18 + P_19_8 + P_19_9 + 2'P_19_10 + 2'P_19_11 + 3'P_19_12 + 3'P_19_13 + 3'P_19_14 + 2'P_19_15 + 2'P_19_16 + P_19_17 + P_20_9 + P_20_10 + 2'P_20_11 + 2'P_20_12 + 3'P_20_13 + 2'P_20_14 + 2'P_20_15 + P_20_16 + P_21_10 + P_21_11 + 2'P_21_12 + 2'P_21_13 + 2'P_21_14 + P_21_15 + P_22_11 + P_22_12 + 2'P_22_13 + P_22_14 + P_23_12 + P_23_13 + -1'cX_14 + -2'cX_15 + -3'cX_16 + -4'cX_17 + -5'cX_18 + -6'cX_19 + -7'cX_20 + -8'cX_21 + -9'cX_22 + -10'cX_23 + -11'cX_24 + -1'cY_14 + -2'cY_15 + -3'cY_16 + -4'cY_17 + -5'cY_18 + -6'cY_19 + -7'cY_20 + -8'cY_21 + -9'cY_22 + -10'cY_23 + -11'cY_24 + 6'L_0 + 5'L_1 + 5'L_2 + 4'L_3 + 4'L_4 + 3'L_5 + 3'L_6 + 2'L_7 + 2'L_8 + L_9 + L_10 + L_38 + L_39 + 2'L_40 + 2'L_41 + 3'L_42 + 3'L_43 + 4'L_44 + 4'L_45 + 5'L_46 + 5'L_47 + 6'L_48 + R_16 + R_17 + 2'R_18 + 2'R_19 + 3'R_20 + 3'R_21 + 4'R_22 + 4'R_23 + 5'R_24 + 5'R_25 + 6'R_26 + 6'R_27 + 7'R_28 + 7'R_29 + 8'R_30 + 8'R_31 + 9'R_32 + 9'R_33 + 10'R_34 + 10'R_35 + 11'R_36 + 11'R_37 + 11'R_38 + 12'R_39 + 13'R_40 + 14'R_41 + 15'R_42 + 16'R_43 + 17'R_44 + 18'R_45 + 19'R_46 + 20'R_47 + 21'R_48 + 22'R_49 = 270
invariant :P_3_0 + -1'P_4_2 + -1'P_4_3 + -1'P_4_4 + -1'P_4_5 + -1'P_4_6 + -1'P_4_7 + -1'P_4_8 + -1'P_4_9 + -1'P_4_10 + -1'P_4_11 + -1'P_4_12 + -1'P_4_13 + -1'P_4_14 + -1'P_4_15 + -1'P_4_16 + -1'P_4_17 + -1'P_4_18 + -1'P_4_19 + -1'P_4_20 + -1'P_4_21 + -1'P_4_22 + -1'P_4_23 + -1'P_5_3 + -1'P_5_4 + -1'P_5_5 + -1'P_5_6 + -1'P_5_7 + -1'P_5_8 + -1'P_5_9 + -1'P_5_10 + -1'P_5_11 + -1'P_5_12 + -1'P_5_13 + -1'P_5_14 + -1'P_5_15 + -1'P_5_16 + -1'P_5_17 + -1'P_5_18 + -1'P_5_19 + -1'P_5_20 + -1'P_5_21 + -1'P_5_22 + -1'P_6_4 + -1'P_6_5 + -1'P_6_6 + -1'P_6_7 + -1'P_6_8 + -1'P_6_9 + -1'P_6_10 + -1'P_6_11 + -1'P_6_12 + -1'P_6_13 + -1'P_6_14 + -1'P_6_15 + -1'P_6_16 + -1'P_6_17 + -1'P_6_18 + -1'P_6_19 + -1'P_6_20 + -1'P_6_21 + -1'P_7_5 + -1'P_7_6 + -1'P_7_7 + -1'P_7_8 + -1'P_7_9 + -1'P_7_10 + -1'P_7_11 + -1'P_7_12 + -1'P_7_13 + -1'P_7_14 + -1'P_7_15 + -1'P_7_16 + -1'P_7_17 + -1'P_7_18 + -1'P_7_19 + -1'P_7_20 + -1'P_8_6 + -1'P_8_7 + -1'P_8_8 + -1'P_8_9 + -1'P_8_10 + -1'P_8_11 + -1'P_8_12 + -1'P_8_13 + -1'P_8_14 + -1'P_8_15 + -1'P_8_16 + -1'P_8_17 + -1'P_8_18 + -1'P_8_19 + -1'P_9_7 + -1'P_9_8 + -1'P_9_9 + -1'P_9_10 + -1'P_9_11 + -1'P_9_12 + -1'P_9_13 + -1'P_9_14 + -1'P_9_15 + -1'P_9_16 + -1'P_9_17 + -1'P_9_18 + -1'P_10_8 + -1'P_10_9 + -1'P_10_10 + -1'P_10_11 + -1'P_10_12 + -1'P_10_13 + -1'P_10_14 + -1'P_10_15 + -1'P_10_16 + -1'P_10_17 + -1'P_11_9 + -1'P_11_10 + -1'P_11_11 + -1'P_11_12 + -1'P_11_13 + -1'P_11_14 + -1'P_11_15 + -1'P_11_16 + -1'P_12_10 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_12_15 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_14_12 + -1'P_14_13 + P_16_12 + P_16_13 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_22_19 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + -1'cX_4 + -1'cX_5 + -1'cX_6 + -1'cX_7 + -1'cX_8 + -1'cX_9 + -1'cX_10 + -1'cX_11 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_27 + L_28 + L_29 + L_30 + L_31 + L_32 + L_33 + L_34 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_29 + R_30 + R_31 + R_32 + R_33 + R_34 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 22
invariant :P_0_13 + P_3_13 + P_4_12 + P_4_13 + P_4_14 + P_5_11 + P_5_12 + 2'P_5_13 + P_5_14 + P_5_15 + P_6_10 + P_6_11 + 2'P_6_12 + 2'P_6_13 + 2'P_6_14 + P_6_15 + P_6_16 + P_7_9 + P_7_10 + 2'P_7_11 + 2'P_7_12 + 3'P_7_13 + 2'P_7_14 + 2'P_7_15 + P_7_16 + P_7_17 + P_8_8 + P_8_9 + 2'P_8_10 + 2'P_8_11 + 3'P_8_12 + 3'P_8_13 + 3'P_8_14 + 2'P_8_15 + 2'P_8_16 + P_8_17 + P_8_18 + P_9_7 + P_9_8 + 2'P_9_9 + 2'P_9_10 + 3'P_9_11 + 3'P_9_12 + 4'P_9_13 + 3'P_9_14 + 3'P_9_15 + 2'P_9_16 + 2'P_9_17 + P_9_18 + P_9_19 + P_10_6 + P_10_7 + 2'P_10_8 + 2'P_10_9 + 3'P_10_10 + 3'P_10_11 + 4'P_10_12 + 4'P_10_13 + 4'P_10_14 + 3'P_10_15 + 3'P_10_16 + 2'P_10_17 + 2'P_10_18 + P_10_19 + P_10_20 + P_11_5 + P_11_6 + 2'P_11_7 + 2'P_11_8 + 3'P_11_9 + 3'P_11_10 + 4'P_11_11 + 4'P_11_12 + 5'P_11_13 + 4'P_11_14 + 4'P_11_15 + 3'P_11_16 + 3'P_11_17 + 2'P_11_18 + 2'P_11_19 + P_11_20 + P_11_21 + P_12_4 + P_12_5 + 2'P_12_6 + 2'P_12_7 + 3'P_12_8 + 3'P_12_9 + 4'P_12_10 + 4'P_12_11 + 5'P_12_12 + 5'P_12_13 + 5'P_12_14 + 4'P_12_15 + 4'P_12_16 + 3'P_12_17 + 3'P_12_18 + 2'P_12_19 + 2'P_12_20 + P_12_21 + P_12_22 + P_13_3 + P_13_4 + 2'P_13_5 + 2'P_13_6 + 3'P_13_7 + 3'P_13_8 + 4'P_13_9 + 4'P_13_10 + 5'P_13_11 + 5'P_13_12 + 6'P_13_13 + 5'P_13_14 + 5'P_13_15 + 4'P_13_16 + 4'P_13_17 + 3'P_13_18 + 3'P_13_19 + 2'P_13_20 + 2'P_13_21 + P_13_22 + P_13_23 + P_14_2 + P_14_3 + 2'P_14_4 + 2'P_14_5 + 3'P_14_6 + 3'P_14_7 + 4'P_14_8 + 4'P_14_9 + 5'P_14_10 + 5'P_14_11 + 6'P_14_12 + 6'P_14_13 + 6'P_14_14 + 5'P_14_15 + 5'P_14_16 + 4'P_14_17 + 4'P_14_18 + 3'P_14_19 + 3'P_14_20 + 2'P_14_21 + 2'P_14_22 + P_14_23 + P_15_3 + P_15_4 + 2'P_15_5 + 2'P_15_6 + 3'P_15_7 + 3'P_15_8 + 4'P_15_9 + 4'P_15_10 + 5'P_15_11 + 5'P_15_12 + 6'P_15_13 + 5'P_15_14 + 5'P_15_15 + 4'P_15_16 + 4'P_15_17 + 3'P_15_18 + 3'P_15_19 + 2'P_15_20 + 2'P_15_21 + P_15_22 + P_16_4 + P_16_5 + 2'P_16_6 + 2'P_16_7 + 3'P_16_8 + 3'P_16_9 + 4'P_16_10 + 4'P_16_11 + 5'P_16_12 + 5'P_16_13 + 5'P_16_14 + 4'P_16_15 + 4'P_16_16 + 3'P_16_17 + 3'P_16_18 + 2'P_16_19 + 2'P_16_20 + P_16_21 + P_17_5 + P_17_6 + 2'P_17_7 + 2'P_17_8 + 3'P_17_9 + 3'P_17_10 + 4'P_17_11 + 4'P_17_12 + 5'P_17_13 + 4'P_17_14 + 4'P_17_15 + 3'P_17_16 + 3'P_17_17 + 2'P_17_18 + 2'P_17_19 + P_17_20 + P_18_6 + P_18_7 + 2'P_18_8 + 2'P_18_9 + 3'P_18_10 + 3'P_18_11 + 4'P_18_12 + 4'P_18_13 + 4'P_18_14 + 3'P_18_15 + 3'P_18_16 + 2'P_18_17 + 2'P_18_18 + P_18_19 + P_19_7 + P_19_8 + 2'P_19_9 + 2'P_19_10 + 3'P_19_11 + 3'P_19_12 + 4'P_19_13 + 3'P_19_14 + 3'P_19_15 + 2'P_19_16 + 2'P_19_17 + P_19_18 + P_20_8 + P_20_9 + 2'P_20_10 + 2'P_20_11 + 3'P_20_12 + 3'P_20_13 + 3'P_20_14 + 2'P_20_15 + 2'P_20_16 + P_20_17 + P_21_9 + P_21_10 + 2'P_21_11 + 2'P_21_12 + 3'P_21_13 + 2'P_21_14 + 2'P_21_15 + P_21_16 + P_22_10 + P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + P_22_15 + P_23_11 + P_23_12 + 2'P_23_13 + P_23_14 + P_24_12 + P_24_13 + -1'cX_15 + -2'cX_16 + -3'cX_17 + -4'cX_18 + -5'cX_19 + -6'cX_20 + -7'cX_21 + -8'cX_22 + -9'cX_23 + -10'cX_24 + -1'cY_14 + -2'cY_15 + -3'cY_16 + -4'cY_17 + -5'cY_18 + -6'cY_19 + -7'cY_20 + -8'cY_21 + -9'cY_22 + -10'cY_23 + -11'cY_24 + 6'L_0 + 6'L_1 + 5'L_2 + 5'L_3 + 4'L_4 + 4'L_5 + 3'L_6 + 3'L_7 + 2'L_8 + 2'L_9 + L_10 + L_11 + L_39 + L_40 + 2'L_41 + 2'L_42 + 3'L_43 + 3'L_44 + 4'L_45 + 4'L_46 + 5'L_47 + 5'L_48 + R_17 + R_18 + 2'R_19 + 2'R_20 + 3'R_21 + 3'R_22 + 4'R_23 + 4'R_24 + 5'R_25 + 5'R_26 + 6'R_27 + 6'R_28 + 7'R_29 + 7'R_30 + 8'R_31 + 8'R_32 + 9'R_33 + 9'R_34 + 10'R_35 + 10'R_36 + 11'R_37 + 11'R_38 + 11'R_39 + 12'R_40 + 13'R_41 + 14'R_42 + 15'R_43 + 16'R_44 + 17'R_45 + 18'R_46 + 19'R_47 + 20'R_48 + 21'R_49 = 259
invariant :P_0_15 + P_3_15 + P_4_14 + P_4_15 + P_4_16 + P_5_13 + P_5_14 + 2'P_5_15 + P_5_16 + P_5_17 + P_6_12 + P_6_13 + 2'P_6_14 + 2'P_6_15 + 2'P_6_16 + P_6_17 + P_6_18 + P_7_11 + P_7_12 + 2'P_7_13 + 2'P_7_14 + 3'P_7_15 + 2'P_7_16 + 2'P_7_17 + P_7_18 + P_7_19 + P_8_10 + P_8_11 + 2'P_8_12 + 2'P_8_13 + 3'P_8_14 + 3'P_8_15 + 3'P_8_16 + 2'P_8_17 + 2'P_8_18 + P_8_19 + P_8_20 + P_9_9 + P_9_10 + 2'P_9_11 + 2'P_9_12 + 3'P_9_13 + 3'P_9_14 + 4'P_9_15 + 3'P_9_16 + 3'P_9_17 + 2'P_9_18 + 2'P_9_19 + P_9_20 + P_9_21 + P_10_8 + P_10_9 + 2'P_10_10 + 2'P_10_11 + 3'P_10_12 + 3'P_10_13 + 4'P_10_14 + 4'P_10_15 + 4'P_10_16 + 3'P_10_17 + 3'P_10_18 + 2'P_10_19 + 2'P_10_20 + P_10_21 + P_10_22 + P_11_7 + P_11_8 + 2'P_11_9 + 2'P_11_10 + 3'P_11_11 + 3'P_11_12 + 4'P_11_13 + 4'P_11_14 + 5'P_11_15 + 4'P_11_16 + 4'P_11_17 + 3'P_11_18 + 3'P_11_19 + 2'P_11_20 + 2'P_11_21 + P_11_22 + P_11_23 + P_12_6 + P_12_7 + 2'P_12_8 + 2'P_12_9 + 3'P_12_10 + 3'P_12_11 + 4'P_12_12 + 4'P_12_13 + 5'P_12_14 + 5'P_12_15 + 5'P_12_16 + 4'P_12_17 + 4'P_12_18 + 3'P_12_19 + 3'P_12_20 + 2'P_12_21 + 2'P_12_22 + P_12_23 + P_13_5 + P_13_6 + 2'P_13_7 + 2'P_13_8 + 3'P_13_9 + 3'P_13_10 + 4'P_13_11 + 4'P_13_12 + 5'P_13_13 + 5'P_13_14 + 6'P_13_15 + 5'P_13_16 + 5'P_13_17 + 4'P_13_18 + 4'P_13_19 + 3'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_4 + P_14_5 + 2'P_14_6 + 2'P_14_7 + 3'P_14_8 + 3'P_14_9 + 4'P_14_10 + 4'P_14_11 + 5'P_14_12 + 5'P_14_13 + 6'P_14_14 + 6'P_14_15 + 6'P_14_16 + 5'P_14_17 + 5'P_14_18 + 4'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_3 + P_15_4 + 2'P_15_5 + 2'P_15_6 + 3'P_15_7 + 3'P_15_8 + 4'P_15_9 + 4'P_15_10 + 5'P_15_11 + 5'P_15_12 + 6'P_15_13 + 6'P_15_14 + 7'P_15_15 + 6'P_15_16 + 6'P_15_17 + 5'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_2 + P_16_3 + 2'P_16_4 + 2'P_16_5 + 3'P_16_6 + 3'P_16_7 + 4'P_16_8 + 4'P_16_9 + 5'P_16_10 + 5'P_16_11 + 6'P_16_12 + 6'P_16_13 + 7'P_16_14 + 7'P_16_15 + 7'P_16_16 + 6'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_3 + P_17_4 + 2'P_17_5 + 2'P_17_6 + 3'P_17_7 + 3'P_17_8 + 4'P_17_9 + 4'P_17_10 + 5'P_17_11 + 5'P_17_12 + 6'P_17_13 + 6'P_17_14 + 7'P_17_15 + 6'P_17_16 + 6'P_17_17 + 5'P_17_18 + 4'P_17_19 + 3'P_17_20 + 2'P_17_21 + P_17_22 + P_18_4 + P_18_5 + 2'P_18_6 + 2'P_18_7 + 3'P_18_8 + 3'P_18_9 + 4'P_18_10 + 4'P_18_11 + 5'P_18_12 + 5'P_18_13 + 6'P_18_14 + 6'P_18_15 + 6'P_18_16 + 5'P_18_17 + 4'P_18_18 + 3'P_18_19 + 2'P_18_20 + P_18_21 + P_19_5 + P_19_6 + 2'P_19_7 + 2'P_19_8 + 3'P_19_9 + 3'P_19_10 + 4'P_19_11 + 4'P_19_12 + 5'P_19_13 + 5'P_19_14 + 6'P_19_15 + 5'P_19_16 + 4'P_19_17 + 3'P_19_18 + 2'P_19_19 + P_19_20 + P_20_6 + P_20_7 + 2'P_20_8 + 2'P_20_9 + 3'P_20_10 + 3'P_20_11 + 4'P_20_12 + 4'P_20_13 + 5'P_20_14 + 5'P_20_15 + 4'P_20_16 + 3'P_20_17 + 2'P_20_18 + P_20_19 + P_21_7 + P_21_8 + 2'P_21_9 + 2'P_21_10 + 3'P_21_11 + 3'P_21_12 + 4'P_21_13 + 4'P_21_14 + 4'P_21_15 + 3'P_21_16 + 2'P_21_17 + P_21_18 + P_22_8 + P_22_9 + 2'P_22_10 + 2'P_22_11 + 3'P_22_12 + 3'P_22_13 + 3'P_22_14 + 3'P_22_15 + 2'P_22_16 + P_22_17 + P_23_9 + P_23_10 + 2'P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + 2'P_23_15 + P_23_16 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + -1'cX_17 + -2'cX_18 + -3'cX_19 + -4'cX_20 + -5'cX_21 + -6'cX_22 + -7'cX_23 + -8'cX_24 + -1'cY_16 + -2'cY_17 + -3'cY_18 + -4'cY_19 + -5'cY_20 + -6'cY_21 + -7'cY_22 + -8'cY_23 + -9'cY_24 + 5'L_0 + 5'L_1 + 4'L_2 + 4'L_3 + 3'L_4 + 3'L_5 + 2'L_6 + 2'L_7 + L_8 + L_9 + L_41 + L_42 + 2'L_43 + 2'L_44 + 3'L_45 + 3'L_46 + 4'L_47 + 4'L_48 + R_19 + R_20 + 2'R_21 + 2'R_22 + 3'R_23 + 3'R_24 + 4'R_25 + 4'R_26 + 5'R_27 + 5'R_28 + 6'R_29 + 6'R_30 + 7'R_31 + 7'R_32 + 8'R_33 + 8'R_34 + 9'R_35 + 9'R_36 + 9'R_37 + 9'R_38 + 9'R_39 + 9'R_40 + 9'R_41 + 10'R_42 + 11'R_43 + 12'R_44 + 13'R_45 + 14'R_46 + 15'R_47 + 16'R_48 + 17'R_49 = 212
invariant :P_22_24 + P_23_23 + P_24_22 + R_47 = 1
invariant :P_1_13 + -1'P_3_12 + -1'P_3_13 + -1'P_3_14 + -1'P_4_11 + -2'P_4_12 + -2'P_4_13 + -2'P_4_14 + -1'P_4_15 + -1'P_5_10 + -2'P_5_11 + -3'P_5_12 + -3'P_5_13 + -3'P_5_14 + -2'P_5_15 + -1'P_5_16 + -1'P_6_9 + -2'P_6_10 + -3'P_6_11 + -4'P_6_12 + -4'P_6_13 + -4'P_6_14 + -3'P_6_15 + -2'P_6_16 + -1'P_6_17 + -1'P_7_8 + -2'P_7_9 + -3'P_7_10 + -4'P_7_11 + -5'P_7_12 + -5'P_7_13 + -5'P_7_14 + -4'P_7_15 + -3'P_7_16 + -2'P_7_17 + -1'P_7_18 + -1'P_8_7 + -2'P_8_8 + -3'P_8_9 + -4'P_8_10 + -5'P_8_11 + -6'P_8_12 + -6'P_8_13 + -6'P_8_14 + -5'P_8_15 + -4'P_8_16 + -3'P_8_17 + -2'P_8_18 + -1'P_8_19 + -1'P_9_6 + -2'P_9_7 + -3'P_9_8 + -4'P_9_9 + -5'P_9_10 + -6'P_9_11 + -7'P_9_12 + -7'P_9_13 + -7'P_9_14 + -6'P_9_15 + -5'P_9_16 + -4'P_9_17 + -3'P_9_18 + -2'P_9_19 + -1'P_9_20 + -1'P_10_5 + -2'P_10_6 + -3'P_10_7 + -4'P_10_8 + -5'P_10_9 + -6'P_10_10 + -7'P_10_11 + -8'P_10_12 + -8'P_10_13 + -8'P_10_14 + -7'P_10_15 + -6'P_10_16 + -5'P_10_17 + -4'P_10_18 + -3'P_10_19 + -2'P_10_20 + -1'P_10_21 + -1'P_11_4 + -2'P_11_5 + -3'P_11_6 + -4'P_11_7 + -5'P_11_8 + -6'P_11_9 + -7'P_11_10 + -8'P_11_11 + -9'P_11_12 + -9'P_11_13 + -9'P_11_14 + -8'P_11_15 + -7'P_11_16 + -6'P_11_17 + -5'P_11_18 + -4'P_11_19 + -3'P_11_20 + -2'P_11_21 + -1'P_11_22 + -1'P_12_3 + -2'P_12_4 + -3'P_12_5 + -4'P_12_6 + -5'P_12_7 + -6'P_12_8 + -7'P_12_9 + -8'P_12_10 + -9'P_12_11 + -10'P_12_12 + -10'P_12_13 + -10'P_12_14 + -9'P_12_15 + -8'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_2 + -2'P_13_3 + -3'P_13_4 + -4'P_13_5 + -5'P_13_6 + -6'P_13_7 + -7'P_13_8 + -8'P_13_9 + -9'P_13_10 + -10'P_13_11 + -11'P_13_12 + -11'P_13_13 + -11'P_13_14 + -10'P_13_15 + -9'P_13_16 + -8'P_13_17 + -7'P_13_18 + -6'P_13_19 + -5'P_13_20 + -4'P_13_21 + -3'P_13_22 + -2'P_13_23 + -1'P_14_2 + -2'P_14_3 + -3'P_14_4 + -4'P_14_5 + -5'P_14_6 + -6'P_14_7 + -7'P_14_8 + -8'P_14_9 + -9'P_14_10 + -10'P_14_11 + -11'P_14_12 + -11'P_14_13 + -11'P_14_14 + -10'P_14_15 + -9'P_14_16 + -8'P_14_17 + -7'P_14_18 + -6'P_14_19 + -5'P_14_20 + -4'P_14_21 + -3'P_14_22 + -1'P_14_23 + -1'P_15_3 + -2'P_15_4 + -3'P_15_5 + -4'P_15_6 + -5'P_15_7 + -6'P_15_8 + -7'P_15_9 + -8'P_15_10 + -9'P_15_11 + -10'P_15_12 + -10'P_15_13 + -10'P_15_14 + -9'P_15_15 + -8'P_15_16 + -7'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -1'P_15_22 + -1'P_16_4 + -2'P_16_5 + -3'P_16_6 + -4'P_16_7 + -5'P_16_8 + -6'P_16_9 + -7'P_16_10 + -8'P_16_11 + -9'P_16_12 + -9'P_16_13 + -9'P_16_14 + -8'P_16_15 + -7'P_16_16 + -6'P_16_17 + -5'P_16_18 + -4'P_16_19 + -3'P_16_20 + -1'P_16_21 + -1'P_17_5 + -2'P_17_6 + -3'P_17_7 + -4'P_17_8 + -5'P_17_9 + -6'P_17_10 + -7'P_17_11 + -8'P_17_12 + -8'P_17_13 + -8'P_17_14 + -7'P_17_15 + -6'P_17_16 + -5'P_17_17 + -4'P_17_18 + -3'P_17_19 + -1'P_17_20 + -1'P_18_6 + -2'P_18_7 + -3'P_18_8 + -4'P_18_9 + -5'P_18_10 + -6'P_18_11 + -7'P_18_12 + -7'P_18_13 + -7'P_18_14 + -6'P_18_15 + -5'P_18_16 + -4'P_18_17 + -3'P_18_18 + -1'P_18_19 + -1'P_19_7 + -2'P_19_8 + -3'P_19_9 + -4'P_19_10 + -5'P_19_11 + -6'P_19_12 + -6'P_19_13 + -6'P_19_14 + -5'P_19_15 + -4'P_19_16 + -3'P_19_17 + -1'P_19_18 + -1'P_20_8 + -2'P_20_9 + -3'P_20_10 + -4'P_20_11 + -5'P_20_12 + -5'P_20_13 + -5'P_20_14 + -4'P_20_15 + -3'P_20_16 + -1'P_20_17 + -1'P_21_9 + -2'P_21_10 + -3'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -3'P_21_15 + -1'P_21_16 + -1'P_22_10 + -2'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -1'P_22_15 + -1'P_23_11 + -2'P_23_12 + -2'P_23_13 + -1'P_23_14 + -1'P_24_12 + cX_14 + 3'cX_15 + 5'cX_16 + 7'cX_17 + 9'cX_18 + 11'cX_19 + 13'cX_20 + 15'cX_21 + 17'cX_22 + 19'cX_23 + 21'cX_24 + cY_13 + 2'cY_14 + 4'cY_15 + 6'cY_16 + 8'cY_17 + 10'cY_18 + 12'cY_19 + 14'cY_20 + 16'cY_21 + 18'cY_22 + 20'cY_23 + 22'cY_24 + -12'L_0 + -11'L_1 + -10'L_2 + -9'L_3 + -8'L_4 + -7'L_5 + -6'L_6 + -5'L_7 + -4'L_8 + -3'L_9 + -2'L_10 + -1'L_11 + -1'L_38 + -2'L_39 + -3'L_40 + -4'L_41 + -5'L_42 + -6'L_43 + -7'L_44 + -8'L_45 + -9'L_46 + -10'L_47 + -11'L_48 + -1'R_16 + -2'R_17 + -3'R_18 + -4'R_19 + -5'R_20 + -6'R_21 + -7'R_22 + -8'R_23 + -9'R_24 + -10'R_25 + -11'R_26 + -12'R_27 + -13'R_28 + -14'R_29 + -15'R_30 + -16'R_31 + -17'R_32 + -18'R_33 + -19'R_34 + -20'R_35 + -21'R_36 + -22'R_37 + -22'R_38 + -23'R_39 + -25'R_40 + -27'R_41 + -29'R_42 + -31'R_43 + -33'R_44 + -35'R_45 + -37'R_46 + -39'R_47 + -41'R_48 + -43'R_49 = -528
invariant :P_4_1 + P_4_2 + P_4_3 + P_4_4 + P_4_5 + P_4_6 + P_4_7 + P_4_8 + P_4_9 + P_4_10 + P_4_11 + P_4_12 + P_4_13 + P_4_14 + P_4_15 + P_4_16 + P_4_17 + P_4_18 + P_4_19 + P_4_20 + P_4_21 + P_4_22 + P_4_23 + P_5_2 + P_5_3 + P_5_4 + P_5_5 + P_5_6 + P_5_7 + P_5_8 + P_5_9 + P_5_10 + P_5_11 + P_5_12 + P_5_13 + P_5_14 + P_5_15 + P_5_16 + P_5_17 + P_5_18 + P_5_19 + P_5_20 + P_5_21 + P_5_22 + P_6_3 + P_6_4 + P_6_5 + P_6_6 + P_6_7 + P_6_8 + P_6_9 + P_6_10 + P_6_11 + P_6_12 + P_6_13 + P_6_14 + P_6_15 + P_6_16 + P_6_17 + P_6_18 + P_6_19 + P_6_20 + P_6_21 + P_7_4 + P_7_5 + P_7_6 + P_7_7 + P_7_8 + P_7_9 + P_7_10 + P_7_11 + P_7_12 + P_7_13 + P_7_14 + P_7_15 + P_7_16 + P_7_17 + P_7_18 + P_7_19 + P_7_20 + P_8_5 + P_8_6 + P_8_7 + P_8_8 + P_8_9 + P_8_10 + P_8_11 + P_8_12 + P_8_13 + P_8_14 + P_8_15 + P_8_16 + P_8_17 + P_8_18 + P_8_19 + P_9_6 + P_9_7 + P_9_8 + P_9_9 + P_9_10 + P_9_11 + P_9_12 + P_9_13 + P_9_14 + P_9_15 + P_9_16 + P_9_17 + P_9_18 + P_10_7 + P_10_8 + P_10_9 + P_10_10 + P_10_11 + P_10_12 + P_10_13 + P_10_14 + P_10_15 + P_10_16 + P_10_17 + P_11_8 + P_11_9 + P_11_10 + P_11_11 + P_11_12 + P_11_13 + P_11_14 + P_11_15 + P_11_16 + P_12_9 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_12_15 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_14_11 + P_14_12 + P_14_13 + P_15_12 + -1'P_16_12 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_21_7 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_22_6 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + cX_4 + cX_5 + cX_6 + cX_7 + cX_8 + cX_9 + cX_10 + cX_11 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_28 + -1'L_29 + -1'L_30 + -1'L_31 + -1'L_32 + -1'L_33 + -1'L_34 + -1'L_35 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_29 + -1'R_30 + -1'R_31 + -1'R_32 + -1'R_33 + -1'R_34 + -1'R_35 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -21
invariant :P_1_3 + -1'P_3_2 + -1'P_3_3 + -1'P_3_4 + -1'P_4_2 + -1'P_4_3 + -1'P_4_4 + P_4_6 + P_4_7 + P_4_8 + P_4_9 + P_4_10 + P_4_11 + P_4_12 + P_4_13 + P_4_14 + P_4_15 + P_4_16 + P_4_17 + P_4_18 + P_4_19 + P_4_20 + P_4_21 + P_4_22 + P_4_23 + P_5_5 + 2'P_5_6 + 3'P_5_7 + 3'P_5_8 + 3'P_5_9 + 3'P_5_10 + 3'P_5_11 + 3'P_5_12 + 3'P_5_13 + 3'P_5_14 + 3'P_5_15 + 3'P_5_16 + 3'P_5_17 + 3'P_5_18 + 3'P_5_19 + 3'P_5_20 + 3'P_5_21 + 3'P_5_22 + 2'P_5_23 + P_6_3 + P_6_4 + 2'P_6_5 + 3'P_6_6 + 4'P_6_7 + 5'P_6_8 + 5'P_6_9 + 5'P_6_10 + 5'P_6_11 + 5'P_6_12 + 5'P_6_13 + 5'P_6_14 + 5'P_6_15 + 5'P_6_16 + 5'P_6_17 + 5'P_6_18 + 5'P_6_19 + 5'P_6_20 + 5'P_6_21 + 4'P_6_22 + 2'P_6_23 + P_7_3 + 2'P_7_4 + 3'P_7_5 + 4'P_7_6 + 5'P_7_7 + 6'P_7_8 + 7'P_7_9 + 7'P_7_10 + 7'P_7_11 + 7'P_7_12 + 7'P_7_13 + 7'P_7_14 + 7'P_7_15 + 7'P_7_16 + 7'P_7_17 + 7'P_7_18 + 7'P_7_19 + 7'P_7_20 + 6'P_7_21 + 4'P_7_22 + 2'P_7_23 + P_8_3 + 2'P_8_4 + 4'P_8_5 + 5'P_8_6 + 6'P_8_7 + 7'P_8_8 + 8'P_8_9 + 9'P_8_10 + 9'P_8_11 + 9'P_8_12 + 9'P_8_13 + 9'P_8_14 + 9'P_8_15 + 9'P_8_16 + 9'P_8_17 + 9'P_8_18 + 9'P_8_19 + 8'P_8_20 + 6'P_8_21 + 4'P_8_22 + 2'P_8_23 + P_9_3 + 2'P_9_4 + 4'P_9_5 + 6'P_9_6 + 7'P_9_7 + 8'P_9_8 + 9'P_9_9 + 10'P_9_10 + 11'P_9_11 + 11'P_9_12 + 11'P_9_13 + 11'P_9_14 + 11'P_9_15 + 11'P_9_16 + 11'P_9_17 + 11'P_9_18 + 10'P_9_19 + 8'P_9_20 + 6'P_9_21 + 4'P_9_22 + 2'P_9_23 + P_10_3 + 2'P_10_4 + 4'P_10_5 + 6'P_10_6 + 8'P_10_7 + 9'P_10_8 + 10'P_10_9 + 11'P_10_10 + 12'P_10_11 + 13'P_10_12 + 13'P_10_13 + 13'P_10_14 + 13'P_10_15 + 13'P_10_16 + 13'P_10_17 + 12'P_10_18 + 10'P_10_19 + 8'P_10_20 + 6'P_10_21 + 4'P_10_22 + 2'P_10_23 + P_11_3 + 2'P_11_4 + 4'P_11_5 + 6'P_11_6 + 8'P_11_7 + 10'P_11_8 + 11'P_11_9 + 12'P_11_10 + 13'P_11_11 + 14'P_11_12 + 15'P_11_13 + 15'P_11_14 + 15'P_11_15 + 15'P_11_16 + 14'P_11_17 + 12'P_11_18 + 10'P_11_19 + 8'P_11_20 + 6'P_11_21 + 4'P_11_22 + 2'P_11_23 + P_12_3 + 2'P_12_4 + 4'P_12_5 + 6'P_12_6 + 8'P_12_7 + 10'P_12_8 + 12'P_12_9 + 13'P_12_10 + 14'P_12_11 + 15'P_12_12 + 16'P_12_13 + 17'P_12_14 + 17'P_12_15 + 16'P_12_16 + 14'P_12_17 + 12'P_12_18 + 10'P_12_19 + 8'P_12_20 + 6'P_12_21 + 4'P_12_22 + 2'P_12_23 + P_13_3 + 2'P_13_4 + 4'P_13_5 + 6'P_13_6 + 8'P_13_7 + 10'P_13_8 + 12'P_13_9 + 14'P_13_10 + 15'P_13_11 + 16'P_13_12 + 17'P_13_13 + 18'P_13_14 + 18'P_13_15 + 16'P_13_16 + 14'P_13_17 + 12'P_13_18 + 10'P_13_19 + 8'P_13_20 + 6'P_13_21 + 4'P_13_22 + 2'P_13_23 + P_14_3 + 2'P_14_4 + 4'P_14_5 + 6'P_14_6 + 8'P_14_7 + 10'P_14_8 + 12'P_14_9 + 14'P_14_10 + 16'P_14_11 + 17'P_14_12 + 18'P_14_13 + 18'P_14_14 + 17'P_14_15 + 16'P_14_16 + 14'P_14_17 + 12'P_14_18 + 10'P_14_19 + 8'P_14_20 + 6'P_14_21 + 4'P_14_22 + 2'P_14_23 + P_15_3 + 2'P_15_4 + 4'P_15_5 + 6'P_15_6 + 8'P_15_7 + 10'P_15_8 + 12'P_15_9 + 14'P_15_10 + 16'P_15_11 + 18'P_15_12 + 18'P_15_13 + 17'P_15_14 + 16'P_15_15 + 15'P_15_16 + 14'P_15_17 + 12'P_15_18 + 10'P_15_19 + 8'P_15_20 + 6'P_15_21 + 4'P_15_22 + 2'P_15_23 + P_16_3 + 2'P_16_4 + 4'P_16_5 + 6'P_16_6 + 8'P_16_7 + 10'P_16_8 + 12'P_16_9 + 14'P_16_10 + 16'P_16_11 + 17'P_16_12 + 17'P_16_13 + 16'P_16_14 + 15'P_16_15 + 14'P_16_16 + 13'P_16_17 + 12'P_16_18 + 10'P_16_19 + 8'P_16_20 + 6'P_16_21 + 4'P_16_22 + 2'P_16_23 + P_17_3 + 2'P_17_4 + 4'P_17_5 + 6'P_17_6 + 8'P_17_7 + 10'P_17_8 + 12'P_17_9 + 14'P_17_10 + 15'P_17_11 + 15'P_17_12 + 15'P_17_13 + 15'P_17_14 + 14'P_17_15 + 13'P_17_16 + 12'P_17_17 + 11'P_17_18 + 10'P_17_19 + 8'P_17_20 + 6'P_17_21 + 4'P_17_22 + 2'P_17_23 + P_18_3 + 2'P_18_4 + 4'P_18_5 + 6'P_18_6 + 8'P_18_7 + 10'P_18_8 + 12'P_18_9 + 13'P_18_10 + 13'P_18_11 + 13'P_18_12 + 13'P_18_13 + 13'P_18_14 + 13'P_18_15 + 12'P_18_16 + 11'P_18_17 + 10'P_18_18 + 9'P_18_19 + 8'P_18_20 + 6'P_18_21 + 4'P_18_22 + 2'P_18_23 + P_19_3 + 2'P_19_4 + 4'P_19_5 + 6'P_19_6 + 8'P_19_7 + 10'P_19_8 + 11'P_19_9 + 11'P_19_10 + 11'P_19_11 + 11'P_19_12 + 11'P_19_13 + 11'P_19_14 + 11'P_19_15 + 11'P_19_16 + 10'P_19_17 + 9'P_19_18 + 8'P_19_19 + 7'P_19_20 + 6'P_19_21 + 4'P_19_22 + 2'P_19_23 + P_20_3 + 2'P_20_4 + 4'P_20_5 + 6'P_20_6 + 8'P_20_7 + 9'P_20_8 + 9'P_20_9 + 9'P_20_10 + 9'P_20_11 + 9'P_20_12 + 9'P_20_13 + 9'P_20_14 + 9'P_20_15 + 9'P_20_16 + 9'P_20_17 + 8'P_20_18 + 7'P_20_19 + 6'P_20_20 + 5'P_20_21 + 4'P_20_22 + 2'P_20_23 + P_21_3 + 2'P_21_4 + 4'P_21_5 + 6'P_21_6 + 7'P_21_7 + 7'P_21_8 + 7'P_21_9 + 7'P_21_10 + 7'P_21_11 + 7'P_21_12 + 7'P_21_13 + 7'P_21_14 + 7'P_21_15 + 7'P_21_16 + 7'P_21_17 + 7'P_21_18 + 6'P_21_19 + 5'P_21_20 + 4'P_21_21 + 3'P_21_22 + 2'P_21_23 + P_22_3 + 2'P_22_4 + 4'P_22_5 + 5'P_22_6 + 5'P_22_7 + 5'P_22_8 + 5'P_22_9 + 5'P_22_10 + 5'P_22_11 + 5'P_22_12 + 5'P_22_13 + 5'P_22_14 + 5'P_22_15 + 5'P_22_16 + 5'P_22_17 + 5'P_22_18 + 5'P_22_19 + 4'P_22_20 + 3'P_22_21 + 2'P_22_22 + P_22_23 + P_23_3 + 2'P_23_4 + 3'P_23_5 + 3'P_23_6 + 3'P_23_7 + 3'P_23_8 + 3'P_23_9 + 3'P_23_10 + 3'P_23_11 + 3'P_23_12 + 3'P_23_13 + 3'P_23_14 + 3'P_23_15 + 3'P_23_16 + 3'P_23_17 + 3'P_23_18 + 3'P_23_19 + 3'P_23_20 + 2'P_23_21 + P_23_22 + P_24_3 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + cX_4 + 3'cX_5 + 5'cX_6 + 7'cX_7 + 9'cX_8 + 11'cX_9 + 13'cX_10 + 15'cX_11 + 17'cX_12 + 19'cX_13 + 21'cX_14 + 23'cX_15 + 25'cX_16 + 27'cX_17 + 29'cX_18 + 31'cX_19 + 33'cX_20 + 35'cX_21 + 37'cX_22 + 39'cX_23 + 41'cX_24 + cY_3 + 2'cY_4 + 4'cY_5 + 6'cY_6 + 8'cY_7 + 10'cY_8 + 12'cY_9 + 14'cY_10 + 16'cY_11 + 18'cY_12 + 20'cY_13 + 22'cY_14 + 24'cY_15 + 26'cY_16 + 28'cY_17 + 30'cY_18 + 32'cY_19 + 34'cY_20 + 36'cY_21 + 38'cY_22 + 40'cY_23 + 42'cY_24 + -22'L_0 + -21'L_1 + -20'L_2 + -19'L_3 + -18'L_4 + -17'L_5 + -16'L_6 + -15'L_7 + -14'L_8 + -13'L_9 + -12'L_10 + -11'L_11 + -10'L_12 + -9'L_13 + -8'L_14 + -7'L_15 + -6'L_16 + -5'L_17 + -4'L_18 + -3'L_19 + -2'L_20 + -1'L_21 + -1'L_28 + -2'L_29 + -3'L_30 + -4'L_31 + -5'L_32 + -6'L_33 + -7'L_34 + -8'L_35 + -9'L_36 + -10'L_37 + -11'L_38 + -12'L_39 + -13'L_40 + -14'L_41 + -15'L_42 + -16'L_43 + -17'L_44 + -18'L_45 + -19'L_46 + -20'L_47 + -21'L_48 + -1'R_6 + -2'R_7 + -3'R_8 + -4'R_9 + -5'R_10 + -6'R_11 + -7'R_12 + -8'R_13 + -9'R_14 + -10'R_15 + -11'R_16 + -12'R_17 + -13'R_18 + -14'R_19 + -15'R_20 + -16'R_21 + -17'R_22 + -18'R_23 + -19'R_24 + -20'R_25 + -21'R_26 + -22'R_27 + -23'R_28 + -25'R_29 + -28'R_30 + -31'R_31 + -34'R_32 + -37'R_33 + -40'R_34 + -43'R_35 + -46'R_36 + -49'R_37 + -52'R_38 + -55'R_39 + -58'R_40 + -61'R_41 + -64'R_42 + -67'R_43 + -70'R_44 + -73'R_45 + -76'R_46 + -79'R_47 + -81'R_48 + -83'R_49 = -1008
invariant :P_0_24 + L_0 = 1
invariant :P_10_24 + P_11_23 + P_12_22 + P_13_21 + P_14_20 + P_15_19 + P_16_18 + P_17_17 + P_18_16 + P_19_15 + P_20_14 + P_21_13 + P_22_12 + P_23_11 + P_24_10 + R_35 = 1
invariant :P_10_0 + -1'P_11_2 + -1'P_11_3 + -1'P_11_4 + -1'P_11_5 + -1'P_11_6 + -1'P_11_7 + -1'P_11_8 + -1'P_11_9 + -1'P_11_10 + -1'P_11_11 + -1'P_11_12 + -1'P_11_13 + -1'P_11_14 + -1'P_11_15 + -1'P_11_16 + -1'P_11_17 + -1'P_11_18 + -1'P_11_19 + -1'P_11_20 + -1'P_11_21 + -1'P_11_22 + -1'P_11_23 + -1'P_12_3 + -1'P_12_4 + -1'P_12_5 + -1'P_12_6 + -1'P_12_7 + -1'P_12_8 + -1'P_12_9 + -1'P_12_10 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_12_15 + -1'P_12_16 + -1'P_12_17 + -1'P_12_18 + -1'P_12_19 + -1'P_12_20 + -1'P_12_21 + -1'P_12_22 + -1'P_13_4 + -1'P_13_5 + -1'P_13_6 + -1'P_13_7 + -1'P_13_8 + -1'P_13_9 + -1'P_13_10 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_13_16 + -1'P_13_17 + -1'P_13_18 + -1'P_13_19 + -1'P_13_20 + -1'P_13_21 + -1'P_14_5 + -1'P_14_6 + -1'P_14_7 + -1'P_14_8 + -1'P_14_9 + -1'P_14_10 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_14_16 + -1'P_14_17 + -1'P_14_18 + -1'P_14_19 + -1'P_14_20 + -1'P_15_6 + -1'P_15_7 + -1'P_15_8 + -1'P_15_9 + -1'P_15_10 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_15_16 + -1'P_15_17 + -1'P_15_18 + -1'P_15_19 + -1'P_16_7 + -1'P_16_8 + -1'P_16_9 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_16_16 + -1'P_16_17 + -1'P_16_18 + -1'P_17_8 + -1'P_17_9 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_17_16 + -1'P_17_17 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_18_16 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_21_12 + -1'P_21_13 + P_23_12 + P_23_13 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + -1'cX_11 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_34 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 15
invariant :L_0 + L_2 + L_4 + L_6 + L_8 + L_10 + L_12 + L_14 + L_16 + L_18 + L_20 + L_22 + L_24 + L_26 + L_28 + L_30 + L_32 + L_34 + L_36 + L_38 + L_40 + L_42 + L_44 + L_46 + L_48 + -1'R_1 + -1'R_3 + -1'R_5 + -1'R_7 + -1'R_9 + -1'R_11 + -1'R_13 + -1'R_15 + -1'R_17 + -1'R_19 + -1'R_21 + -1'R_23 + -1'R_25 + -1'R_27 + -1'R_29 + -1'R_31 + -1'R_33 + -1'R_35 + -1'R_37 + -1'R_39 + -1'R_41 + -1'R_43 + -1'R_45 + -1'R_47 + -1'R_49 = 0
invariant :P_2_5 + P_3_4 + P_3_5 + P_3_6 + P_4_3 + P_4_4 + 2'P_4_5 + P_4_6 + P_4_7 + P_5_2 + P_5_3 + 2'P_5_4 + 2'P_5_5 + 2'P_5_6 + P_5_7 + P_5_8 + P_6_3 + P_6_4 + 2'P_6_5 + P_6_6 + P_6_7 + -1'P_6_10 + -1'P_6_11 + -1'P_6_12 + -1'P_6_13 + -1'P_6_14 + -1'P_6_15 + -1'P_6_16 + -1'P_6_17 + -1'P_6_18 + -1'P_6_19 + -1'P_6_20 + -1'P_6_21 + -1'P_6_22 + -1'P_6_23 + P_7_4 + P_7_5 + P_7_6 + -1'P_7_9 + -1'P_7_10 + -2'P_7_11 + -2'P_7_12 + -2'P_7_13 + -2'P_7_14 + -2'P_7_15 + -2'P_7_16 + -2'P_7_17 + -2'P_7_18 + -2'P_7_19 + -2'P_7_20 + -2'P_7_21 + -2'P_7_22 + -1'P_7_23 + P_8_5 + -1'P_8_8 + -1'P_8_9 + -2'P_8_10 + -2'P_8_11 + -3'P_8_12 + -3'P_8_13 + -3'P_8_14 + -3'P_8_15 + -3'P_8_16 + -3'P_8_17 + -3'P_8_18 + -3'P_8_19 + -3'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_7 + -1'P_9_8 + -2'P_9_9 + -2'P_9_10 + -3'P_9_11 + -3'P_9_12 + -4'P_9_13 + -4'P_9_14 + -4'P_9_15 + -4'P_9_16 + -4'P_9_17 + -4'P_9_18 + -4'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_6 + -1'P_10_7 + -2'P_10_8 + -2'P_10_9 + -3'P_10_10 + -3'P_10_11 + -4'P_10_12 + -4'P_10_13 + -5'P_10_14 + -5'P_10_15 + -5'P_10_16 + -5'P_10_17 + -5'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_6 + -2'P_11_7 + -2'P_11_8 + -3'P_11_9 + -3'P_11_10 + -4'P_11_11 + -4'P_11_12 + -5'P_11_13 + -5'P_11_14 + -6'P_11_15 + -6'P_11_16 + -6'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_6 + -2'P_12_7 + -3'P_12_8 + -3'P_12_9 + -4'P_12_10 + -4'P_12_11 + -5'P_12_12 + -5'P_12_13 + -6'P_12_14 + -6'P_12_15 + -7'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_6 + -2'P_13_7 + -3'P_13_8 + -4'P_13_9 + -4'P_13_10 + -5'P_13_11 + -5'P_13_12 + -6'P_13_13 + -6'P_13_14 + -7'P_13_15 + -7'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_6 + -2'P_14_7 + -3'P_14_8 + -4'P_14_9 + -5'P_14_10 + -5'P_14_11 + -6'P_14_12 + -6'P_14_13 + -7'P_14_14 + -7'P_14_15 + -7'P_14_16 + -6'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_6 + -2'P_15_7 + -3'P_15_8 + -4'P_15_9 + -5'P_15_10 + -6'P_15_11 + -6'P_15_12 + -7'P_15_13 + -7'P_15_14 + -7'P_15_15 + -6'P_15_16 + -6'P_15_17 + -5'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_6 + -2'P_16_7 + -3'P_16_8 + -4'P_16_9 + -5'P_16_10 + -6'P_16_11 + -7'P_16_12 + -7'P_16_13 + -7'P_16_14 + -6'P_16_15 + -6'P_16_16 + -5'P_16_17 + -5'P_16_18 + -4'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_6 + -2'P_17_7 + -3'P_17_8 + -4'P_17_9 + -5'P_17_10 + -6'P_17_11 + -7'P_17_12 + -7'P_17_13 + -6'P_17_14 + -6'P_17_15 + -5'P_17_16 + -5'P_17_17 + -4'P_17_18 + -4'P_17_19 + -3'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_6 + -2'P_18_7 + -3'P_18_8 + -4'P_18_9 + -5'P_18_10 + -6'P_18_11 + -6'P_18_12 + -6'P_18_13 + -6'P_18_14 + -5'P_18_15 + -5'P_18_16 + -4'P_18_17 + -4'P_18_18 + -3'P_18_19 + -3'P_18_20 + -2'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_6 + -2'P_19_7 + -3'P_19_8 + -4'P_19_9 + -5'P_19_10 + -5'P_19_11 + -5'P_19_12 + -5'P_19_13 + -5'P_19_14 + -5'P_19_15 + -4'P_19_16 + -4'P_19_17 + -3'P_19_18 + -3'P_19_19 + -2'P_19_20 + -2'P_19_21 + -1'P_19_22 + -1'P_19_23 + -1'P_20_6 + -2'P_20_7 + -3'P_20_8 + -4'P_20_9 + -4'P_20_10 + -4'P_20_11 + -4'P_20_12 + -4'P_20_13 + -4'P_20_14 + -4'P_20_15 + -4'P_20_16 + -3'P_20_17 + -3'P_20_18 + -2'P_20_19 + -2'P_20_20 + -1'P_20_21 + -1'P_20_22 + -1'P_21_6 + -2'P_21_7 + -3'P_21_8 + -3'P_21_9 + -3'P_21_10 + -3'P_21_11 + -3'P_21_12 + -3'P_21_13 + -3'P_21_14 + -3'P_21_15 + -3'P_21_16 + -3'P_21_17 + -2'P_21_18 + -2'P_21_19 + -1'P_21_20 + -1'P_21_21 + -1'P_22_6 + -2'P_22_7 + -2'P_22_8 + -2'P_22_9 + -2'P_22_10 + -2'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -2'P_22_15 + -2'P_22_16 + -2'P_22_17 + -2'P_22_18 + -1'P_22_19 + -1'P_22_20 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'cX_6 + -2'cX_7 + -3'cX_8 + -4'cX_9 + -5'cX_10 + -6'cX_11 + -7'cX_12 + -8'cX_13 + -9'cX_14 + -10'cX_15 + -11'cX_16 + -12'cX_17 + -13'cX_18 + -14'cX_19 + -15'cX_20 + -16'cX_21 + -17'cX_22 + -18'cX_23 + -19'cX_24 + -1'cY_6 + -2'cY_7 + -3'cY_8 + -4'cY_9 + -5'cY_10 + -6'cY_11 + -7'cY_12 + -8'cY_13 + -9'cY_14 + -10'cY_15 + -11'cY_16 + -12'cY_17 + -13'cY_18 + -14'cY_19 + -15'cY_20 + -16'cY_21 + -17'cY_22 + -18'cY_23 + -19'cY_24 + 10'L_0 + 9'L_1 + 9'L_2 + 8'L_3 + 8'L_4 + 7'L_5 + 7'L_6 + 6'L_7 + 6'L_8 + 5'L_9 + 5'L_10 + 4'L_11 + 4'L_12 + 3'L_13 + 3'L_14 + 2'L_15 + 2'L_16 + L_17 + L_18 + L_30 + L_31 + 2'L_32 + 2'L_33 + 3'L_34 + 3'L_35 + 4'L_36 + 4'L_37 + 5'L_38 + 5'L_39 + 6'L_40 + 6'L_41 + 7'L_42 + 7'L_43 + 8'L_44 + 8'L_45 + 9'L_46 + 9'L_47 + 10'L_48 + R_8 + R_9 + 2'R_10 + 2'R_11 + 3'R_12 + 3'R_13 + 4'R_14 + 4'R_15 + 5'R_16 + 5'R_17 + 6'R_18 + 6'R_19 + 7'R_20 + 7'R_21 + 8'R_22 + 8'R_23 + 9'R_24 + 9'R_25 + 10'R_26 + 10'R_27 + 11'R_28 + 11'R_29 + 12'R_30 + 13'R_31 + 15'R_32 + 16'R_33 + 18'R_34 + 19'R_35 + 21'R_36 + 22'R_37 + 24'R_38 + 25'R_39 + 27'R_40 + 28'R_41 + 30'R_42 + 31'R_43 + 33'R_44 + 34'R_45 + 35'R_46 + 36'R_47 + 37'R_48 + 38'R_49 = 466
invariant :P_3_1 + P_3_2 + P_3_3 + P_3_4 + P_3_5 + P_3_6 + P_3_7 + P_3_8 + P_3_9 + P_3_10 + P_3_11 + P_3_12 + P_3_13 + P_3_14 + P_3_15 + P_3_16 + P_3_17 + P_3_18 + P_3_19 + P_3_20 + P_3_21 + P_3_22 + P_3_23 + P_4_2 + P_4_3 + P_4_4 + P_4_5 + P_4_6 + P_4_7 + P_4_8 + P_4_9 + P_4_10 + P_4_11 + P_4_12 + P_4_13 + P_4_14 + P_4_15 + P_4_16 + P_4_17 + P_4_18 + P_4_19 + P_4_20 + P_4_21 + P_4_22 + P_5_3 + P_5_4 + P_5_5 + P_5_6 + P_5_7 + P_5_8 + P_5_9 + P_5_10 + P_5_11 + P_5_12 + P_5_13 + P_5_14 + P_5_15 + P_5_16 + P_5_17 + P_5_18 + P_5_19 + P_5_20 + P_5_21 + P_6_4 + P_6_5 + P_6_6 + P_6_7 + P_6_8 + P_6_9 + P_6_10 + P_6_11 + P_6_12 + P_6_13 + P_6_14 + P_6_15 + P_6_16 + P_6_17 + P_6_18 + P_6_19 + P_6_20 + P_7_5 + P_7_6 + P_7_7 + P_7_8 + P_7_9 + P_7_10 + P_7_11 + P_7_12 + P_7_13 + P_7_14 + P_7_15 + P_7_16 + P_7_17 + P_7_18 + P_7_19 + P_8_6 + P_8_7 + P_8_8 + P_8_9 + P_8_10 + P_8_11 + P_8_12 + P_8_13 + P_8_14 + P_8_15 + P_8_16 + P_8_17 + P_8_18 + P_9_7 + P_9_8 + P_9_9 + P_9_10 + P_9_11 + P_9_12 + P_9_13 + P_9_14 + P_9_15 + P_9_16 + P_9_17 + P_10_8 + P_10_9 + P_10_10 + P_10_11 + P_10_12 + P_10_13 + P_10_14 + P_10_15 + P_10_16 + P_11_9 + P_11_10 + P_11_11 + P_11_12 + P_11_13 + P_11_14 + P_11_15 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_13_11 + P_13_12 + P_13_13 + P_14_12 + -1'P_15_12 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_19_8 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_20_7 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_21_6 + -1'P_21_7 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_22_5 + -1'P_22_6 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_22_19 + -1'P_23_4 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'P_24_3 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + cX_3 + cX_4 + cX_5 + cX_6 + cX_7 + cX_8 + cX_9 + cX_10 + cX_11 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_27 + -1'L_28 + -1'L_29 + -1'L_30 + -1'L_31 + -1'L_32 + -1'L_33 + -1'L_34 + -1'L_35 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_28 + -1'R_29 + -1'R_30 + -1'R_31 + -1'R_32 + -1'R_33 + -1'R_34 + -1'R_35 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -22
invariant :P_4_24 + P_5_23 + P_6_22 + P_7_21 + P_8_20 + P_9_19 + P_10_18 + P_11_17 + P_12_16 + P_13_15 + P_14_14 + P_15_13 + P_16_12 + P_17_11 + P_18_10 + P_19_9 + P_20_8 + P_21_7 + P_22_6 + P_23_5 + P_24_4 + R_29 = 1
invariant :P_0_16 + P_3_16 + P_4_15 + P_4_16 + P_4_17 + P_5_14 + P_5_15 + 2'P_5_16 + P_5_17 + P_5_18 + P_6_13 + P_6_14 + 2'P_6_15 + 2'P_6_16 + 2'P_6_17 + P_6_18 + P_6_19 + P_7_12 + P_7_13 + 2'P_7_14 + 2'P_7_15 + 3'P_7_16 + 2'P_7_17 + 2'P_7_18 + P_7_19 + P_7_20 + P_8_11 + P_8_12 + 2'P_8_13 + 2'P_8_14 + 3'P_8_15 + 3'P_8_16 + 3'P_8_17 + 2'P_8_18 + 2'P_8_19 + P_8_20 + P_8_21 + P_9_10 + P_9_11 + 2'P_9_12 + 2'P_9_13 + 3'P_9_14 + 3'P_9_15 + 4'P_9_16 + 3'P_9_17 + 3'P_9_18 + 2'P_9_19 + 2'P_9_20 + P_9_21 + P_9_22 + P_10_9 + P_10_10 + 2'P_10_11 + 2'P_10_12 + 3'P_10_13 + 3'P_10_14 + 4'P_10_15 + 4'P_10_16 + 4'P_10_17 + 3'P_10_18 + 3'P_10_19 + 2'P_10_20 + 2'P_10_21 + P_10_22 + P_10_23 + P_11_8 + P_11_9 + 2'P_11_10 + 2'P_11_11 + 3'P_11_12 + 3'P_11_13 + 4'P_11_14 + 4'P_11_15 + 5'P_11_16 + 4'P_11_17 + 4'P_11_18 + 3'P_11_19 + 3'P_11_20 + 2'P_11_21 + 2'P_11_22 + P_11_23 + P_12_7 + P_12_8 + 2'P_12_9 + 2'P_12_10 + 3'P_12_11 + 3'P_12_12 + 4'P_12_13 + 4'P_12_14 + 5'P_12_15 + 5'P_12_16 + 5'P_12_17 + 4'P_12_18 + 4'P_12_19 + 3'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_6 + P_13_7 + 2'P_13_8 + 2'P_13_9 + 3'P_13_10 + 3'P_13_11 + 4'P_13_12 + 4'P_13_13 + 5'P_13_14 + 5'P_13_15 + 6'P_13_16 + 5'P_13_17 + 5'P_13_18 + 4'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_5 + P_14_6 + 2'P_14_7 + 2'P_14_8 + 3'P_14_9 + 3'P_14_10 + 4'P_14_11 + 4'P_14_12 + 5'P_14_13 + 5'P_14_14 + 6'P_14_15 + 6'P_14_16 + 6'P_14_17 + 5'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_4 + P_15_5 + 2'P_15_6 + 2'P_15_7 + 3'P_15_8 + 3'P_15_9 + 4'P_15_10 + 4'P_15_11 + 5'P_15_12 + 5'P_15_13 + 6'P_15_14 + 6'P_15_15 + 7'P_15_16 + 6'P_15_17 + 6'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_3 + P_16_4 + 2'P_16_5 + 2'P_16_6 + 3'P_16_7 + 3'P_16_8 + 4'P_16_9 + 4'P_16_10 + 5'P_16_11 + 5'P_16_12 + 6'P_16_13 + 6'P_16_14 + 7'P_16_15 + 7'P_16_16 + 7'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_2 + P_17_3 + 2'P_17_4 + 2'P_17_5 + 3'P_17_6 + 3'P_17_7 + 4'P_17_8 + 4'P_17_9 + 5'P_17_10 + 5'P_17_11 + 6'P_17_12 + 6'P_17_13 + 7'P_17_14 + 7'P_17_15 + 8'P_17_16 + 7'P_17_17 + 6'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_3 + P_18_4 + 2'P_18_5 + 2'P_18_6 + 3'P_18_7 + 3'P_18_8 + 4'P_18_9 + 4'P_18_10 + 5'P_18_11 + 5'P_18_12 + 6'P_18_13 + 6'P_18_14 + 7'P_18_15 + 7'P_18_16 + 6'P_18_17 + 5'P_18_18 + 4'P_18_19 + 3'P_18_20 + 2'P_18_21 + P_18_22 + P_19_4 + P_19_5 + 2'P_19_6 + 2'P_19_7 + 3'P_19_8 + 3'P_19_9 + 4'P_19_10 + 4'P_19_11 + 5'P_19_12 + 5'P_19_13 + 6'P_19_14 + 6'P_19_15 + 6'P_19_16 + 5'P_19_17 + 4'P_19_18 + 3'P_19_19 + 2'P_19_20 + P_19_21 + P_20_5 + P_20_6 + 2'P_20_7 + 2'P_20_8 + 3'P_20_9 + 3'P_20_10 + 4'P_20_11 + 4'P_20_12 + 5'P_20_13 + 5'P_20_14 + 5'P_20_15 + 5'P_20_16 + 4'P_20_17 + 3'P_20_18 + 2'P_20_19 + P_20_20 + P_21_6 + P_21_7 + 2'P_21_8 + 2'P_21_9 + 3'P_21_10 + 3'P_21_11 + 4'P_21_12 + 4'P_21_13 + 4'P_21_14 + 4'P_21_15 + 4'P_21_16 + 3'P_21_17 + 2'P_21_18 + P_21_19 + P_22_7 + P_22_8 + 2'P_22_9 + 2'P_22_10 + 3'P_22_11 + 3'P_22_12 + 3'P_22_13 + 3'P_22_14 + 3'P_22_15 + 3'P_22_16 + 2'P_22_17 + P_22_18 + P_23_8 + P_23_9 + 2'P_23_10 + 2'P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + 2'P_23_15 + 2'P_23_16 + P_23_17 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + -1'cX_18 + -2'cX_19 + -3'cX_20 + -4'cX_21 + -5'cX_22 + -6'cX_23 + -7'cX_24 + -1'cY_17 + -2'cY_18 + -3'cY_19 + -4'cY_20 + -5'cY_21 + -6'cY_22 + -7'cY_23 + -8'cY_24 + 5'L_0 + 4'L_1 + 4'L_2 + 3'L_3 + 3'L_4 + 2'L_5 + 2'L_6 + L_7 + L_8 + L_42 + L_43 + 2'L_44 + 2'L_45 + 3'L_46 + 3'L_47 + 4'L_48 + R_20 + R_21 + 2'R_22 + 2'R_23 + 3'R_24 + 3'R_25 + 4'R_26 + 4'R_27 + 5'R_28 + 5'R_29 + 6'R_30 + 6'R_31 + 7'R_32 + 7'R_33 + 8'R_34 + 8'R_35 + 8'R_36 + 8'R_37 + 8'R_38 + 8'R_39 + 8'R_40 + 8'R_41 + 8'R_42 + 9'R_43 + 10'R_44 + 11'R_45 + 12'R_46 + 13'R_47 + 14'R_48 + 15'R_49 = 189
invariant :P_20_0 + -1'P_21_2 + -1'P_21_3 + -1'P_21_4 + -1'P_21_5 + -1'P_21_6 + -1'P_21_7 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_21_19 + -1'P_21_20 + -1'P_21_21 + -1'P_21_22 + -1'P_21_23 + -1'P_22_3 + -1'P_22_4 + -1'P_22_5 + -1'P_22_6 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_22_19 + -1'P_22_20 + -1'P_22_21 + -1'P_22_22 + -1'P_23_4 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'P_23_21 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_44 + L_45 + L_46 + L_47 + L_48 + R_46 + R_47 + R_48 + R_49 = 5
invariant :P_24_1 + P_24_2 + P_24_3 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + P_24_22 + P_24_23 + cX_24 + -1'L_48 + -1'R_49 = -1
invariant :P_5_1 + P_5_2 + P_5_3 + P_5_4 + P_5_5 + P_5_6 + P_5_7 + P_5_8 + P_5_9 + P_5_10 + P_5_11 + P_5_12 + P_5_13 + P_5_14 + P_5_15 + P_5_16 + P_5_17 + P_5_18 + P_5_19 + P_5_20 + P_5_21 + P_5_22 + P_5_23 + P_6_2 + P_6_3 + P_6_4 + P_6_5 + P_6_6 + P_6_7 + P_6_8 + P_6_9 + P_6_10 + P_6_11 + P_6_12 + P_6_13 + P_6_14 + P_6_15 + P_6_16 + P_6_17 + P_6_18 + P_6_19 + P_6_20 + P_6_21 + P_6_22 + P_7_3 + P_7_4 + P_7_5 + P_7_6 + P_7_7 + P_7_8 + P_7_9 + P_7_10 + P_7_11 + P_7_12 + P_7_13 + P_7_14 + P_7_15 + P_7_16 + P_7_17 + P_7_18 + P_7_19 + P_7_20 + P_7_21 + P_8_4 + P_8_5 + P_8_6 + P_8_7 + P_8_8 + P_8_9 + P_8_10 + P_8_11 + P_8_12 + P_8_13 + P_8_14 + P_8_15 + P_8_16 + P_8_17 + P_8_18 + P_8_19 + P_8_20 + P_9_5 + P_9_6 + P_9_7 + P_9_8 + P_9_9 + P_9_10 + P_9_11 + P_9_12 + P_9_13 + P_9_14 + P_9_15 + P_9_16 + P_9_17 + P_9_18 + P_9_19 + P_10_6 + P_10_7 + P_10_8 + P_10_9 + P_10_10 + P_10_11 + P_10_12 + P_10_13 + P_10_14 + P_10_15 + P_10_16 + P_10_17 + P_10_18 + P_11_7 + P_11_8 + P_11_9 + P_11_10 + P_11_11 + P_11_12 + P_11_13 + P_11_14 + P_11_15 + P_11_16 + P_11_17 + P_12_8 + P_12_9 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_12_15 + P_12_16 + P_13_9 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_15_11 + P_15_12 + P_15_13 + P_16_12 + -1'P_17_12 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + cX_5 + cX_6 + cX_7 + cX_8 + cX_9 + cX_10 + cX_11 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_29 + -1'L_30 + -1'L_31 + -1'L_32 + -1'L_33 + -1'L_34 + -1'L_35 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_30 + -1'R_31 + -1'R_32 + -1'R_33 + -1'R_34 + -1'R_35 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -20
invariant :P_11_1 + P_11_2 + P_11_3 + P_11_4 + P_11_5 + P_11_6 + P_11_7 + P_11_8 + P_11_9 + P_11_10 + P_11_11 + P_11_12 + P_11_13 + P_11_14 + P_11_15 + P_11_16 + P_11_17 + P_11_18 + P_11_19 + P_11_20 + P_11_21 + P_11_22 + P_11_23 + P_12_2 + P_12_3 + P_12_4 + P_12_5 + P_12_6 + P_12_7 + P_12_8 + P_12_9 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_12_15 + P_12_16 + P_12_17 + P_12_18 + P_12_19 + P_12_20 + P_12_21 + P_12_22 + P_13_3 + P_13_4 + P_13_5 + P_13_6 + P_13_7 + P_13_8 + P_13_9 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_13_17 + P_13_18 + P_13_19 + P_13_20 + P_13_21 + P_14_4 + P_14_5 + P_14_6 + P_14_7 + P_14_8 + P_14_9 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_14_17 + P_14_18 + P_14_19 + P_14_20 + P_15_5 + P_15_6 + P_15_7 + P_15_8 + P_15_9 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_15_17 + P_15_18 + P_15_19 + P_16_6 + P_16_7 + P_16_8 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_16_17 + P_16_18 + P_17_7 + P_17_8 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_17_17 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_21_11 + P_21_12 + P_21_13 + P_22_12 + -1'P_23_12 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + cX_11 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_35 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -14
invariant :P_18_0 + -1'P_19_2 + -1'P_19_3 + -1'P_19_4 + -1'P_19_5 + -1'P_19_6 + -1'P_19_7 + -1'P_19_8 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_19_17 + -1'P_19_18 + -1'P_19_19 + -1'P_19_20 + -1'P_19_21 + -1'P_19_22 + -1'P_19_23 + -1'P_20_3 + -1'P_20_4 + -1'P_20_5 + -1'P_20_6 + -1'P_20_7 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_20_18 + -1'P_20_19 + -1'P_20_20 + -1'P_20_21 + -1'P_20_22 + -1'P_21_4 + -1'P_21_5 + -1'P_21_6 + -1'P_21_7 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_21_19 + -1'P_21_20 + -1'P_21_21 + -1'P_22_5 + -1'P_22_6 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_22_19 + -1'P_22_20 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 7
invariant :P_2_17 + P_3_16 + P_3_17 + P_3_18 + P_4_15 + P_4_16 + 2'P_4_17 + P_4_18 + P_4_19 + P_5_14 + P_5_15 + 2'P_5_16 + 2'P_5_17 + 2'P_5_18 + P_5_19 + P_5_20 + P_6_13 + P_6_14 + 2'P_6_15 + 2'P_6_16 + 3'P_6_17 + 2'P_6_18 + 2'P_6_19 + P_6_20 + P_6_21 + P_7_12 + P_7_13 + 2'P_7_14 + 2'P_7_15 + 3'P_7_16 + 3'P_7_17 + 3'P_7_18 + 2'P_7_19 + 2'P_7_20 + P_7_21 + P_7_22 + P_8_11 + P_8_12 + 2'P_8_13 + 2'P_8_14 + 3'P_8_15 + 3'P_8_16 + 4'P_8_17 + 3'P_8_18 + 3'P_8_19 + 2'P_8_20 + 2'P_8_21 + P_8_22 + P_8_23 + P_9_10 + P_9_11 + 2'P_9_12 + 2'P_9_13 + 3'P_9_14 + 3'P_9_15 + 4'P_9_16 + 4'P_9_17 + 4'P_9_18 + 3'P_9_19 + 3'P_9_20 + 2'P_9_21 + 2'P_9_22 + P_9_23 + P_10_9 + P_10_10 + 2'P_10_11 + 2'P_10_12 + 3'P_10_13 + 3'P_10_14 + 4'P_10_15 + 4'P_10_16 + 5'P_10_17 + 4'P_10_18 + 4'P_10_19 + 3'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_8 + P_11_9 + 2'P_11_10 + 2'P_11_11 + 3'P_11_12 + 3'P_11_13 + 4'P_11_14 + 4'P_11_15 + 5'P_11_16 + 5'P_11_17 + 5'P_11_18 + 4'P_11_19 + 4'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_7 + P_12_8 + 2'P_12_9 + 2'P_12_10 + 3'P_12_11 + 3'P_12_12 + 4'P_12_13 + 4'P_12_14 + 5'P_12_15 + 5'P_12_16 + 6'P_12_17 + 5'P_12_18 + 5'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_6 + P_13_7 + 2'P_13_8 + 2'P_13_9 + 3'P_13_10 + 3'P_13_11 + 4'P_13_12 + 4'P_13_13 + 5'P_13_14 + 5'P_13_15 + 6'P_13_16 + 6'P_13_17 + 6'P_13_18 + 5'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_5 + P_14_6 + 2'P_14_7 + 2'P_14_8 + 3'P_14_9 + 3'P_14_10 + 4'P_14_11 + 4'P_14_12 + 5'P_14_13 + 5'P_14_14 + 6'P_14_15 + 6'P_14_16 + 7'P_14_17 + 6'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_4 + P_15_5 + 2'P_15_6 + 2'P_15_7 + 3'P_15_8 + 3'P_15_9 + 4'P_15_10 + 4'P_15_11 + 5'P_15_12 + 5'P_15_13 + 6'P_15_14 + 6'P_15_15 + 7'P_15_16 + 7'P_15_17 + 6'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_3 + P_16_4 + 2'P_16_5 + 2'P_16_6 + 3'P_16_7 + 3'P_16_8 + 4'P_16_9 + 4'P_16_10 + 5'P_16_11 + 5'P_16_12 + 6'P_16_13 + 6'P_16_14 + 7'P_16_15 + 7'P_16_16 + 7'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_2 + P_17_3 + 2'P_17_4 + 2'P_17_5 + 3'P_17_6 + 3'P_17_7 + 4'P_17_8 + 4'P_17_9 + 5'P_17_10 + 5'P_17_11 + 6'P_17_12 + 6'P_17_13 + 7'P_17_14 + 7'P_17_15 + 7'P_17_16 + 7'P_17_17 + 6'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_3 + P_18_4 + 2'P_18_5 + 2'P_18_6 + 3'P_18_7 + 3'P_18_8 + 4'P_18_9 + 4'P_18_10 + 5'P_18_11 + 5'P_18_12 + 6'P_18_13 + 6'P_18_14 + 6'P_18_15 + 6'P_18_16 + 6'P_18_17 + 5'P_18_18 + 4'P_18_19 + 3'P_18_20 + 2'P_18_21 + P_18_22 + P_19_4 + P_19_5 + 2'P_19_6 + 2'P_19_7 + 3'P_19_8 + 3'P_19_9 + 4'P_19_10 + 4'P_19_11 + 5'P_19_12 + 5'P_19_13 + 5'P_19_14 + 5'P_19_15 + 5'P_19_16 + 5'P_19_17 + 4'P_19_18 + 3'P_19_19 + 2'P_19_20 + P_19_21 + P_20_5 + P_20_6 + 2'P_20_7 + 2'P_20_8 + 3'P_20_9 + 3'P_20_10 + 4'P_20_11 + 4'P_20_12 + 4'P_20_13 + 4'P_20_14 + 4'P_20_15 + 4'P_20_16 + 4'P_20_17 + 3'P_20_18 + 2'P_20_19 + P_20_20 + P_21_6 + P_21_7 + 2'P_21_8 + 2'P_21_9 + 3'P_21_10 + 3'P_21_11 + 3'P_21_12 + 3'P_21_13 + 3'P_21_14 + 3'P_21_15 + 3'P_21_16 + 3'P_21_17 + 2'P_21_18 + P_21_19 + P_22_7 + P_22_8 + 2'P_22_9 + 2'P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + 2'P_22_16 + 2'P_22_17 + P_22_18 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + -1'cX_18 + -2'cX_19 + -3'cX_20 + -4'cX_21 + -5'cX_22 + -6'cX_23 + -7'cX_24 + -1'cY_18 + -2'cY_19 + -3'cY_20 + -4'cY_21 + -5'cY_22 + -6'cY_23 + -7'cY_24 + 4'L_0 + 3'L_1 + 3'L_2 + 2'L_3 + 2'L_4 + L_5 + L_6 + L_42 + L_43 + 2'L_44 + 2'L_45 + 3'L_46 + 3'L_47 + 4'L_48 + R_20 + R_21 + 2'R_22 + 2'R_23 + 3'R_24 + 3'R_25 + 4'R_26 + 4'R_27 + 5'R_28 + 5'R_29 + 6'R_30 + 6'R_31 + 7'R_32 + 7'R_33 + 7'R_34 + 7'R_35 + 7'R_36 + 7'R_37 + 7'R_38 + 7'R_39 + 7'R_40 + 7'R_41 + 7'R_42 + 8'R_43 + 9'R_44 + 10'R_45 + 11'R_46 + 12'R_47 + 13'R_48 + 14'R_49 = 172
invariant :P_0_5 + P_3_5 + P_4_4 + P_4_5 + P_4_6 + P_5_3 + P_5_4 + 2'P_5_5 + P_5_6 + P_5_7 + P_6_2 + P_6_3 + 2'P_6_4 + 2'P_6_5 + 2'P_6_6 + P_6_7 + P_6_8 + P_7_3 + P_7_4 + 2'P_7_5 + P_7_6 + P_7_7 + -1'P_7_10 + -1'P_7_11 + -1'P_7_12 + -1'P_7_13 + -1'P_7_14 + -1'P_7_15 + -1'P_7_16 + -1'P_7_17 + -1'P_7_18 + -1'P_7_19 + -1'P_7_20 + -1'P_7_21 + -1'P_7_22 + -1'P_7_23 + P_8_4 + P_8_5 + P_8_6 + -1'P_8_9 + -1'P_8_10 + -2'P_8_11 + -2'P_8_12 + -2'P_8_13 + -2'P_8_14 + -2'P_8_15 + -2'P_8_16 + -2'P_8_17 + -2'P_8_18 + -2'P_8_19 + -2'P_8_20 + -2'P_8_21 + -2'P_8_22 + -1'P_8_23 + P_9_5 + -1'P_9_8 + -1'P_9_9 + -2'P_9_10 + -2'P_9_11 + -3'P_9_12 + -3'P_9_13 + -3'P_9_14 + -3'P_9_15 + -3'P_9_16 + -3'P_9_17 + -3'P_9_18 + -3'P_9_19 + -3'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_7 + -1'P_10_8 + -2'P_10_9 + -2'P_10_10 + -3'P_10_11 + -3'P_10_12 + -4'P_10_13 + -4'P_10_14 + -4'P_10_15 + -4'P_10_16 + -4'P_10_17 + -4'P_10_18 + -4'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_6 + -1'P_11_7 + -2'P_11_8 + -2'P_11_9 + -3'P_11_10 + -3'P_11_11 + -4'P_11_12 + -4'P_11_13 + -5'P_11_14 + -5'P_11_15 + -5'P_11_16 + -5'P_11_17 + -5'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_6 + -2'P_12_7 + -2'P_12_8 + -3'P_12_9 + -3'P_12_10 + -4'P_12_11 + -4'P_12_12 + -5'P_12_13 + -5'P_12_14 + -6'P_12_15 + -6'P_12_16 + -6'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_6 + -2'P_13_7 + -3'P_13_8 + -3'P_13_9 + -4'P_13_10 + -4'P_13_11 + -5'P_13_12 + -5'P_13_13 + -6'P_13_14 + -6'P_13_15 + -7'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_6 + -2'P_14_7 + -3'P_14_8 + -4'P_14_9 + -4'P_14_10 + -5'P_14_11 + -5'P_14_12 + -6'P_14_13 + -6'P_14_14 + -7'P_14_15 + -7'P_14_16 + -7'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_6 + -2'P_15_7 + -3'P_15_8 + -4'P_15_9 + -5'P_15_10 + -5'P_15_11 + -6'P_15_12 + -6'P_15_13 + -7'P_15_14 + -7'P_15_15 + -7'P_15_16 + -6'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_6 + -2'P_16_7 + -3'P_16_8 + -4'P_16_9 + -5'P_16_10 + -6'P_16_11 + -6'P_16_12 + -7'P_16_13 + -7'P_16_14 + -7'P_16_15 + -6'P_16_16 + -6'P_16_17 + -5'P_16_18 + -5'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_6 + -2'P_17_7 + -3'P_17_8 + -4'P_17_9 + -5'P_17_10 + -6'P_17_11 + -7'P_17_12 + -7'P_17_13 + -7'P_17_14 + -6'P_17_15 + -6'P_17_16 + -5'P_17_17 + -5'P_17_18 + -4'P_17_19 + -4'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_6 + -2'P_18_7 + -3'P_18_8 + -4'P_18_9 + -5'P_18_10 + -6'P_18_11 + -7'P_18_12 + -7'P_18_13 + -6'P_18_14 + -6'P_18_15 + -5'P_18_16 + -5'P_18_17 + -4'P_18_18 + -4'P_18_19 + -3'P_18_20 + -3'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_6 + -2'P_19_7 + -3'P_19_8 + -4'P_19_9 + -5'P_19_10 + -6'P_19_11 + -6'P_19_12 + -6'P_19_13 + -6'P_19_14 + -5'P_19_15 + -5'P_19_16 + -4'P_19_17 + -4'P_19_18 + -3'P_19_19 + -3'P_19_20 + -2'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_6 + -2'P_20_7 + -3'P_20_8 + -4'P_20_9 + -5'P_20_10 + -5'P_20_11 + -5'P_20_12 + -5'P_20_13 + -5'P_20_14 + -5'P_20_15 + -4'P_20_16 + -4'P_20_17 + -3'P_20_18 + -3'P_20_19 + -2'P_20_20 + -2'P_20_21 + -1'P_20_22 + -1'P_20_23 + -1'P_21_6 + -2'P_21_7 + -3'P_21_8 + -4'P_21_9 + -4'P_21_10 + -4'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -4'P_21_15 + -4'P_21_16 + -3'P_21_17 + -3'P_21_18 + -2'P_21_19 + -2'P_21_20 + -1'P_21_21 + -1'P_21_22 + -1'P_22_6 + -2'P_22_7 + -3'P_22_8 + -3'P_22_9 + -3'P_22_10 + -3'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -3'P_22_15 + -3'P_22_16 + -3'P_22_17 + -2'P_22_18 + -2'P_22_19 + -1'P_22_20 + -1'P_22_21 + -1'P_23_6 + -2'P_23_7 + -2'P_23_8 + -2'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -2'P_23_16 + -2'P_23_17 + -2'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'cX_7 + -2'cX_8 + -3'cX_9 + -4'cX_10 + -5'cX_11 + -6'cX_12 + -7'cX_13 + -8'cX_14 + -9'cX_15 + -10'cX_16 + -11'cX_17 + -12'cX_18 + -13'cX_19 + -14'cX_20 + -15'cX_21 + -16'cX_22 + -17'cX_23 + -18'cX_24 + -1'cY_6 + -2'cY_7 + -3'cY_8 + -4'cY_9 + -5'cY_10 + -6'cY_11 + -7'cY_12 + -8'cY_13 + -9'cY_14 + -10'cY_15 + -11'cY_16 + -12'cY_17 + -13'cY_18 + -14'cY_19 + -15'cY_20 + -16'cY_21 + -17'cY_22 + -18'cY_23 + -19'cY_24 + 10'L_0 + 10'L_1 + 9'L_2 + 9'L_3 + 8'L_4 + 8'L_5 + 7'L_6 + 7'L_7 + 6'L_8 + 6'L_9 + 5'L_10 + 5'L_11 + 4'L_12 + 4'L_13 + 3'L_14 + 3'L_15 + 2'L_16 + 2'L_17 + L_18 + L_19 + L_31 + L_32 + 2'L_33 + 2'L_34 + 3'L_35 + 3'L_36 + 4'L_37 + 4'L_38 + 5'L_39 + 5'L_40 + 6'L_41 + 6'L_42 + 7'L_43 + 7'L_44 + 8'L_45 + 8'L_46 + 9'L_47 + 9'L_48 + R_9 + R_10 + 2'R_11 + 2'R_12 + 3'R_13 + 3'R_14 + 4'R_15 + 4'R_16 + 5'R_17 + 5'R_18 + 6'R_19 + 6'R_20 + 7'R_21 + 7'R_22 + 8'R_23 + 8'R_24 + 9'R_25 + 9'R_26 + 10'R_27 + 10'R_28 + 11'R_29 + 11'R_30 + 12'R_31 + 13'R_32 + 15'R_33 + 16'R_34 + 18'R_35 + 19'R_36 + 21'R_37 + 22'R_38 + 24'R_39 + 25'R_40 + 27'R_41 + 28'R_42 + 30'R_43 + 31'R_44 + 33'R_45 + 34'R_46 + 35'R_47 + 36'R_48 + 37'R_49 = 447
invariant :P_0_21 + P_3_21 + P_4_20 + P_4_21 + P_4_22 + P_5_19 + P_5_20 + 2'P_5_21 + P_5_22 + P_5_23 + P_6_18 + P_6_19 + 2'P_6_20 + 2'P_6_21 + 2'P_6_22 + P_6_23 + P_7_17 + P_7_18 + 2'P_7_19 + 2'P_7_20 + 3'P_7_21 + 2'P_7_22 + P_7_23 + P_8_16 + P_8_17 + 2'P_8_18 + 2'P_8_19 + 3'P_8_20 + 3'P_8_21 + 2'P_8_22 + P_8_23 + P_9_15 + P_9_16 + 2'P_9_17 + 2'P_9_18 + 3'P_9_19 + 3'P_9_20 + 3'P_9_21 + 2'P_9_22 + P_9_23 + P_10_14 + P_10_15 + 2'P_10_16 + 2'P_10_17 + 3'P_10_18 + 3'P_10_19 + 3'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_13 + P_11_14 + 2'P_11_15 + 2'P_11_16 + 3'P_11_17 + 3'P_11_18 + 3'P_11_19 + 3'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_12 + P_12_13 + 2'P_12_14 + 2'P_12_15 + 3'P_12_16 + 3'P_12_17 + 3'P_12_18 + 3'P_12_19 + 3'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_11 + P_13_12 + 2'P_13_13 + 2'P_13_14 + 3'P_13_15 + 3'P_13_16 + 3'P_13_17 + 3'P_13_18 + 3'P_13_19 + 3'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_10 + P_14_11 + 2'P_14_12 + 2'P_14_13 + 3'P_14_14 + 3'P_14_15 + 3'P_14_16 + 3'P_14_17 + 3'P_14_18 + 3'P_14_19 + 3'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_9 + P_15_10 + 2'P_15_11 + 2'P_15_12 + 3'P_15_13 + 3'P_15_14 + 3'P_15_15 + 3'P_15_16 + 3'P_15_17 + 3'P_15_18 + 3'P_15_19 + 3'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_8 + P_16_9 + 2'P_16_10 + 2'P_16_11 + 3'P_16_12 + 3'P_16_13 + 3'P_16_14 + 3'P_16_15 + 3'P_16_16 + 3'P_16_17 + 3'P_16_18 + 3'P_16_19 + 3'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_7 + P_17_8 + 2'P_17_9 + 2'P_17_10 + 3'P_17_11 + 3'P_17_12 + 3'P_17_13 + 3'P_17_14 + 3'P_17_15 + 3'P_17_16 + 3'P_17_17 + 3'P_17_18 + 3'P_17_19 + 3'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_6 + P_18_7 + 2'P_18_8 + 2'P_18_9 + 3'P_18_10 + 3'P_18_11 + 3'P_18_12 + 3'P_18_13 + 3'P_18_14 + 3'P_18_15 + 3'P_18_16 + 3'P_18_17 + 3'P_18_18 + 3'P_18_19 + 3'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_5 + P_19_6 + 2'P_19_7 + 2'P_19_8 + 3'P_19_9 + 3'P_19_10 + 3'P_19_11 + 3'P_19_12 + 3'P_19_13 + 3'P_19_14 + 3'P_19_15 + 3'P_19_16 + 3'P_19_17 + 3'P_19_18 + 3'P_19_19 + 3'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_4 + P_20_5 + 2'P_20_6 + 2'P_20_7 + 3'P_20_8 + 3'P_20_9 + 3'P_20_10 + 3'P_20_11 + 3'P_20_12 + 3'P_20_13 + 3'P_20_14 + 3'P_20_15 + 3'P_20_16 + 3'P_20_17 + 3'P_20_18 + 3'P_20_19 + 3'P_20_20 + 3'P_20_21 + 2'P_20_22 + P_20_23 + P_21_3 + P_21_4 + 2'P_21_5 + 2'P_21_6 + 3'P_21_7 + 3'P_21_8 + 3'P_21_9 + 3'P_21_10 + 3'P_21_11 + 3'P_21_12 + 3'P_21_13 + 3'P_21_14 + 3'P_21_15 + 3'P_21_16 + 3'P_21_17 + 3'P_21_18 + 3'P_21_19 + 3'P_21_20 + 3'P_21_21 + 2'P_21_22 + P_21_23 + P_22_2 + P_22_3 + 2'P_22_4 + 2'P_22_5 + 3'P_22_6 + 3'P_22_7 + 3'P_22_8 + 3'P_22_9 + 3'P_22_10 + 3'P_22_11 + 3'P_22_12 + 3'P_22_13 + 3'P_22_14 + 3'P_22_15 + 3'P_22_16 + 3'P_22_17 + 3'P_22_18 + 3'P_22_19 + 3'P_22_20 + 3'P_22_21 + 2'P_22_22 + P_22_23 + P_23_3 + P_23_4 + 2'P_23_5 + 2'P_23_6 + 2'P_23_7 + 2'P_23_8 + 2'P_23_9 + 2'P_23_10 + 2'P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + 2'P_23_15 + 2'P_23_16 + 2'P_23_17 + 2'P_23_18 + 2'P_23_19 + 2'P_23_20 + 2'P_23_21 + P_23_22 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + -1'cX_23 + -2'cX_24 + -1'cY_22 + -2'cY_23 + -3'cY_24 + 2'L_0 + 2'L_1 + L_2 + L_3 + L_47 + L_48 + R_25 + R_26 + 2'R_27 + 2'R_28 + 3'R_29 + 3'R_30 + 3'R_31 + 3'R_32 + 3'R_33 + 3'R_34 + 3'R_35 + 3'R_36 + 3'R_37 + 3'R_38 + 3'R_39 + 3'R_40 + 3'R_41 + 3'R_42 + 3'R_43 + 3'R_44 + 3'R_45 + 3'R_46 + 3'R_47 + 4'R_48 + 5'R_49 = 71
invariant :P_24_24 + R_49 = 1
invariant :P_1_16 + -1'P_3_15 + -1'P_3_16 + -1'P_3_17 + -1'P_4_14 + -2'P_4_15 + -2'P_4_16 + -2'P_4_17 + -1'P_4_18 + -1'P_5_13 + -2'P_5_14 + -3'P_5_15 + -3'P_5_16 + -3'P_5_17 + -2'P_5_18 + -1'P_5_19 + -1'P_6_12 + -2'P_6_13 + -3'P_6_14 + -4'P_6_15 + -4'P_6_16 + -4'P_6_17 + -3'P_6_18 + -2'P_6_19 + -1'P_6_20 + -1'P_7_11 + -2'P_7_12 + -3'P_7_13 + -4'P_7_14 + -5'P_7_15 + -5'P_7_16 + -5'P_7_17 + -4'P_7_18 + -3'P_7_19 + -2'P_7_20 + -1'P_7_21 + -1'P_8_10 + -2'P_8_11 + -3'P_8_12 + -4'P_8_13 + -5'P_8_14 + -6'P_8_15 + -6'P_8_16 + -6'P_8_17 + -5'P_8_18 + -4'P_8_19 + -3'P_8_20 + -2'P_8_21 + -1'P_8_22 + -1'P_9_9 + -2'P_9_10 + -3'P_9_11 + -4'P_9_12 + -5'P_9_13 + -6'P_9_14 + -7'P_9_15 + -7'P_9_16 + -7'P_9_17 + -6'P_9_18 + -5'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_8 + -2'P_10_9 + -3'P_10_10 + -4'P_10_11 + -5'P_10_12 + -6'P_10_13 + -7'P_10_14 + -8'P_10_15 + -8'P_10_16 + -8'P_10_17 + -7'P_10_18 + -6'P_10_19 + -5'P_10_20 + -4'P_10_21 + -3'P_10_22 + -2'P_10_23 + -1'P_11_7 + -2'P_11_8 + -3'P_11_9 + -4'P_11_10 + -5'P_11_11 + -6'P_11_12 + -7'P_11_13 + -8'P_11_14 + -9'P_11_15 + -9'P_11_16 + -9'P_11_17 + -8'P_11_18 + -7'P_11_19 + -6'P_11_20 + -5'P_11_21 + -4'P_11_22 + -2'P_11_23 + -1'P_12_6 + -2'P_12_7 + -3'P_12_8 + -4'P_12_9 + -5'P_12_10 + -6'P_12_11 + -7'P_12_12 + -8'P_12_13 + -9'P_12_14 + -10'P_12_15 + -10'P_12_16 + -10'P_12_17 + -9'P_12_18 + -8'P_12_19 + -7'P_12_20 + -6'P_12_21 + -4'P_12_22 + -2'P_12_23 + -1'P_13_5 + -2'P_13_6 + -3'P_13_7 + -4'P_13_8 + -5'P_13_9 + -6'P_13_10 + -7'P_13_11 + -8'P_13_12 + -9'P_13_13 + -10'P_13_14 + -11'P_13_15 + -11'P_13_16 + -11'P_13_17 + -10'P_13_18 + -9'P_13_19 + -8'P_13_20 + -6'P_13_21 + -4'P_13_22 + -2'P_13_23 + -1'P_14_4 + -2'P_14_5 + -3'P_14_6 + -4'P_14_7 + -5'P_14_8 + -6'P_14_9 + -7'P_14_10 + -8'P_14_11 + -9'P_14_12 + -10'P_14_13 + -11'P_14_14 + -12'P_14_15 + -12'P_14_16 + -12'P_14_17 + -11'P_14_18 + -10'P_14_19 + -8'P_14_20 + -6'P_14_21 + -4'P_14_22 + -2'P_14_23 + -1'P_15_3 + -2'P_15_4 + -3'P_15_5 + -4'P_15_6 + -5'P_15_7 + -6'P_15_8 + -7'P_15_9 + -8'P_15_10 + -9'P_15_11 + -10'P_15_12 + -11'P_15_13 + -12'P_15_14 + -13'P_15_15 + -13'P_15_16 + -13'P_15_17 + -12'P_15_18 + -10'P_15_19 + -8'P_15_20 + -6'P_15_21 + -4'P_15_22 + -2'P_15_23 + -1'P_16_2 + -2'P_16_3 + -3'P_16_4 + -4'P_16_5 + -5'P_16_6 + -6'P_16_7 + -7'P_16_8 + -8'P_16_9 + -9'P_16_10 + -10'P_16_11 + -11'P_16_12 + -12'P_16_13 + -13'P_16_14 + -14'P_16_15 + -14'P_16_16 + -14'P_16_17 + -12'P_16_18 + -10'P_16_19 + -8'P_16_20 + -6'P_16_21 + -4'P_16_22 + -2'P_16_23 + -1'P_17_2 + -2'P_17_3 + -3'P_17_4 + -4'P_17_5 + -5'P_17_6 + -6'P_17_7 + -7'P_17_8 + -8'P_17_9 + -9'P_17_10 + -10'P_17_11 + -11'P_17_12 + -12'P_17_13 + -13'P_17_14 + -14'P_17_15 + -14'P_17_16 + -13'P_17_17 + -11'P_17_18 + -9'P_17_19 + -7'P_17_20 + -5'P_17_21 + -3'P_17_22 + -1'P_17_23 + -1'P_18_3 + -2'P_18_4 + -3'P_18_5 + -4'P_18_6 + -5'P_18_7 + -6'P_18_8 + -7'P_18_9 + -8'P_18_10 + -9'P_18_11 + -10'P_18_12 + -11'P_18_13 + -12'P_18_14 + -13'P_18_15 + -12'P_18_16 + -11'P_18_17 + -9'P_18_18 + -7'P_18_19 + -5'P_18_20 + -3'P_18_21 + -1'P_18_22 + -1'P_19_4 + -2'P_19_5 + -3'P_19_6 + -4'P_19_7 + -5'P_19_8 + -6'P_19_9 + -7'P_19_10 + -8'P_19_11 + -9'P_19_12 + -10'P_19_13 + -11'P_19_14 + -11'P_19_15 + -10'P_19_16 + -9'P_19_17 + -7'P_19_18 + -5'P_19_19 + -3'P_19_20 + -1'P_19_21 + -1'P_20_5 + -2'P_20_6 + -3'P_20_7 + -4'P_20_8 + -5'P_20_9 + -6'P_20_10 + -7'P_20_11 + -8'P_20_12 + -9'P_20_13 + -9'P_20_14 + -9'P_20_15 + -8'P_20_16 + -7'P_20_17 + -5'P_20_18 + -3'P_20_19 + -1'P_20_20 + -1'P_21_6 + -2'P_21_7 + -3'P_21_8 + -4'P_21_9 + -5'P_21_10 + -6'P_21_11 + -7'P_21_12 + -7'P_21_13 + -7'P_21_14 + -7'P_21_15 + -6'P_21_16 + -5'P_21_17 + -3'P_21_18 + -1'P_21_19 + -1'P_22_7 + -2'P_22_8 + -3'P_22_9 + -4'P_22_10 + -5'P_22_11 + -5'P_22_12 + -5'P_22_13 + -5'P_22_14 + -5'P_22_15 + -4'P_22_16 + -3'P_22_17 + -1'P_22_18 + -1'P_23_8 + -2'P_23_9 + -3'P_23_10 + -3'P_23_11 + -3'P_23_12 + -3'P_23_13 + -3'P_23_14 + -3'P_23_15 + -2'P_23_16 + -1'P_23_17 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + cX_17 + 3'cX_18 + 5'cX_19 + 7'cX_20 + 9'cX_21 + 11'cX_22 + 13'cX_23 + 15'cX_24 + cY_16 + 2'cY_17 + 4'cY_18 + 6'cY_19 + 8'cY_20 + 10'cY_21 + 12'cY_22 + 14'cY_23 + 16'cY_24 + -9'L_0 + -8'L_1 + -7'L_2 + -6'L_3 + -5'L_4 + -4'L_5 + -3'L_6 + -2'L_7 + -1'L_8 + -1'L_41 + -2'L_42 + -3'L_43 + -4'L_44 + -5'L_45 + -6'L_46 + -7'L_47 + -8'L_48 + -1'R_19 + -2'R_20 + -3'R_21 + -4'R_22 + -5'R_23 + -6'R_24 + -7'R_25 + -8'R_26 + -9'R_27 + -10'R_28 + -11'R_29 + -12'R_30 + -13'R_31 + -14'R_32 + -15'R_33 + -16'R_34 + -16'R_35 + -16'R_36 + -16'R_37 + -16'R_38 + -16'R_39 + -16'R_40 + -16'R_41 + -17'R_42 + -19'R_43 + -21'R_44 + -23'R_45 + -25'R_46 + -27'R_47 + -29'R_48 + -31'R_49 = -384
invariant :P_1_20 + -1'P_3_19 + -1'P_3_20 + -1'P_3_21 + -1'P_4_18 + -2'P_4_19 + -2'P_4_20 + -2'P_4_21 + -1'P_4_22 + -1'P_5_17 + -2'P_5_18 + -3'P_5_19 + -3'P_5_20 + -3'P_5_21 + -2'P_5_22 + -1'P_5_23 + -1'P_6_16 + -2'P_6_17 + -3'P_6_18 + -4'P_6_19 + -4'P_6_20 + -4'P_6_21 + -3'P_6_22 + -2'P_6_23 + -1'P_7_15 + -2'P_7_16 + -3'P_7_17 + -4'P_7_18 + -5'P_7_19 + -5'P_7_20 + -5'P_7_21 + -4'P_7_22 + -2'P_7_23 + -1'P_8_14 + -2'P_8_15 + -3'P_8_16 + -4'P_8_17 + -5'P_8_18 + -6'P_8_19 + -6'P_8_20 + -6'P_8_21 + -4'P_8_22 + -2'P_8_23 + -1'P_9_13 + -2'P_9_14 + -3'P_9_15 + -4'P_9_16 + -5'P_9_17 + -6'P_9_18 + -7'P_9_19 + -7'P_9_20 + -6'P_9_21 + -4'P_9_22 + -2'P_9_23 + -1'P_10_12 + -2'P_10_13 + -3'P_10_14 + -4'P_10_15 + -5'P_10_16 + -6'P_10_17 + -7'P_10_18 + -8'P_10_19 + -7'P_10_20 + -6'P_10_21 + -4'P_10_22 + -2'P_10_23 + -1'P_11_11 + -2'P_11_12 + -3'P_11_13 + -4'P_11_14 + -5'P_11_15 + -6'P_11_16 + -7'P_11_17 + -8'P_11_18 + -8'P_11_19 + -7'P_11_20 + -6'P_11_21 + -4'P_11_22 + -2'P_11_23 + -1'P_12_10 + -2'P_12_11 + -3'P_12_12 + -4'P_12_13 + -5'P_12_14 + -6'P_12_15 + -7'P_12_16 + -8'P_12_17 + -8'P_12_18 + -8'P_12_19 + -7'P_12_20 + -6'P_12_21 + -4'P_12_22 + -2'P_12_23 + -1'P_13_9 + -2'P_13_10 + -3'P_13_11 + -4'P_13_12 + -5'P_13_13 + -6'P_13_14 + -7'P_13_15 + -8'P_13_16 + -8'P_13_17 + -8'P_13_18 + -8'P_13_19 + -7'P_13_20 + -6'P_13_21 + -4'P_13_22 + -2'P_13_23 + -1'P_14_8 + -2'P_14_9 + -3'P_14_10 + -4'P_14_11 + -5'P_14_12 + -6'P_14_13 + -7'P_14_14 + -8'P_14_15 + -8'P_14_16 + -8'P_14_17 + -8'P_14_18 + -8'P_14_19 + -7'P_14_20 + -6'P_14_21 + -4'P_14_22 + -2'P_14_23 + -1'P_15_7 + -2'P_15_8 + -3'P_15_9 + -4'P_15_10 + -5'P_15_11 + -6'P_15_12 + -7'P_15_13 + -8'P_15_14 + -8'P_15_15 + -8'P_15_16 + -8'P_15_17 + -8'P_15_18 + -8'P_15_19 + -7'P_15_20 + -6'P_15_21 + -4'P_15_22 + -2'P_15_23 + -1'P_16_6 + -2'P_16_7 + -3'P_16_8 + -4'P_16_9 + -5'P_16_10 + -6'P_16_11 + -7'P_16_12 + -8'P_16_13 + -8'P_16_14 + -8'P_16_15 + -8'P_16_16 + -8'P_16_17 + -8'P_16_18 + -8'P_16_19 + -7'P_16_20 + -6'P_16_21 + -4'P_16_22 + -2'P_16_23 + -1'P_17_5 + -2'P_17_6 + -3'P_17_7 + -4'P_17_8 + -5'P_17_9 + -6'P_17_10 + -7'P_17_11 + -8'P_17_12 + -8'P_17_13 + -8'P_17_14 + -8'P_17_15 + -8'P_17_16 + -8'P_17_17 + -8'P_17_18 + -8'P_17_19 + -7'P_17_20 + -6'P_17_21 + -4'P_17_22 + -2'P_17_23 + -1'P_18_4 + -2'P_18_5 + -3'P_18_6 + -4'P_18_7 + -5'P_18_8 + -6'P_18_9 + -7'P_18_10 + -8'P_18_11 + -8'P_18_12 + -8'P_18_13 + -8'P_18_14 + -8'P_18_15 + -8'P_18_16 + -8'P_18_17 + -8'P_18_18 + -8'P_18_19 + -7'P_18_20 + -6'P_18_21 + -4'P_18_22 + -2'P_18_23 + -1'P_19_3 + -2'P_19_4 + -3'P_19_5 + -4'P_19_6 + -5'P_19_7 + -6'P_19_8 + -7'P_19_9 + -8'P_19_10 + -8'P_19_11 + -8'P_19_12 + -8'P_19_13 + -8'P_19_14 + -8'P_19_15 + -8'P_19_16 + -8'P_19_17 + -8'P_19_18 + -8'P_19_19 + -7'P_19_20 + -6'P_19_21 + -4'P_19_22 + -2'P_19_23 + -1'P_20_2 + -2'P_20_3 + -3'P_20_4 + -4'P_20_5 + -5'P_20_6 + -6'P_20_7 + -7'P_20_8 + -8'P_20_9 + -8'P_20_10 + -8'P_20_11 + -8'P_20_12 + -8'P_20_13 + -8'P_20_14 + -8'P_20_15 + -8'P_20_16 + -8'P_20_17 + -8'P_20_18 + -8'P_20_19 + -7'P_20_20 + -6'P_20_21 + -4'P_20_22 + -2'P_20_23 + -1'P_21_2 + -2'P_21_3 + -3'P_21_4 + -4'P_21_5 + -5'P_21_6 + -6'P_21_7 + -7'P_21_8 + -7'P_21_9 + -7'P_21_10 + -7'P_21_11 + -7'P_21_12 + -7'P_21_13 + -7'P_21_14 + -7'P_21_15 + -7'P_21_16 + -7'P_21_17 + -7'P_21_18 + -7'P_21_19 + -6'P_21_20 + -5'P_21_21 + -3'P_21_22 + -1'P_21_23 + -1'P_22_3 + -2'P_22_4 + -3'P_22_5 + -4'P_22_6 + -5'P_22_7 + -5'P_22_8 + -5'P_22_9 + -5'P_22_10 + -5'P_22_11 + -5'P_22_12 + -5'P_22_13 + -5'P_22_14 + -5'P_22_15 + -5'P_22_16 + -5'P_22_17 + -5'P_22_18 + -5'P_22_19 + -4'P_22_20 + -3'P_22_21 + -1'P_22_22 + -1'P_23_4 + -2'P_23_5 + -3'P_23_6 + -3'P_23_7 + -3'P_23_8 + -3'P_23_9 + -3'P_23_10 + -3'P_23_11 + -3'P_23_12 + -3'P_23_13 + -3'P_23_14 + -3'P_23_15 + -3'P_23_16 + -3'P_23_17 + -3'P_23_18 + -3'P_23_19 + -2'P_23_20 + -1'P_23_21 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + cX_21 + 3'cX_22 + 5'cX_23 + 7'cX_24 + cY_20 + 2'cY_21 + 4'cY_22 + 6'cY_23 + 8'cY_24 + -5'L_0 + -4'L_1 + -3'L_2 + -2'L_3 + -1'L_4 + -1'L_45 + -2'L_46 + -3'L_47 + -4'L_48 + -1'R_23 + -2'R_24 + -3'R_25 + -4'R_26 + -5'R_27 + -6'R_28 + -7'R_29 + -8'R_30 + -8'R_31 + -8'R_32 + -8'R_33 + -8'R_34 + -8'R_35 + -8'R_36 + -8'R_37 + -8'R_38 + -8'R_39 + -8'R_40 + -8'R_41 + -8'R_42 + -8'R_43 + -8'R_44 + -8'R_45 + -9'R_46 + -11'R_47 + -13'R_48 + -15'R_49 = -192
invariant :P_0_0 + R_1 = 1
invariant :P_1_11 + -1'P_3_10 + -1'P_3_11 + -1'P_3_12 + -1'P_4_9 + -2'P_4_10 + -2'P_4_11 + -2'P_4_12 + -1'P_4_13 + -1'P_5_8 + -2'P_5_9 + -3'P_5_10 + -3'P_5_11 + -3'P_5_12 + -2'P_5_13 + -1'P_5_14 + -1'P_6_7 + -2'P_6_8 + -3'P_6_9 + -4'P_6_10 + -4'P_6_11 + -4'P_6_12 + -3'P_6_13 + -2'P_6_14 + -1'P_6_15 + -1'P_7_6 + -2'P_7_7 + -3'P_7_8 + -4'P_7_9 + -5'P_7_10 + -5'P_7_11 + -5'P_7_12 + -4'P_7_13 + -3'P_7_14 + -2'P_7_15 + -1'P_7_16 + -1'P_8_5 + -2'P_8_6 + -3'P_8_7 + -4'P_8_8 + -5'P_8_9 + -6'P_8_10 + -6'P_8_11 + -6'P_8_12 + -5'P_8_13 + -4'P_8_14 + -3'P_8_15 + -2'P_8_16 + -1'P_8_17 + -1'P_9_4 + -2'P_9_5 + -3'P_9_6 + -4'P_9_7 + -5'P_9_8 + -6'P_9_9 + -7'P_9_10 + -7'P_9_11 + -7'P_9_12 + -6'P_9_13 + -5'P_9_14 + -4'P_9_15 + -3'P_9_16 + -2'P_9_17 + -1'P_9_18 + -1'P_10_3 + -2'P_10_4 + -3'P_10_5 + -4'P_10_6 + -5'P_10_7 + -6'P_10_8 + -7'P_10_9 + -8'P_10_10 + -8'P_10_11 + -8'P_10_12 + -7'P_10_13 + -6'P_10_14 + -5'P_10_15 + -4'P_10_16 + -3'P_10_17 + -2'P_10_18 + -1'P_10_19 + -1'P_11_2 + -2'P_11_3 + -3'P_11_4 + -4'P_11_5 + -5'P_11_6 + -6'P_11_7 + -7'P_11_8 + -8'P_11_9 + -9'P_11_10 + -9'P_11_11 + -9'P_11_12 + -8'P_11_13 + -7'P_11_14 + -6'P_11_15 + -5'P_11_16 + -4'P_11_17 + -3'P_11_18 + -2'P_11_19 + -1'P_11_20 + -1'P_12_2 + -2'P_12_3 + -3'P_12_4 + -4'P_12_5 + -5'P_12_6 + -6'P_12_7 + -7'P_12_8 + -8'P_12_9 + -9'P_12_10 + -9'P_12_11 + -9'P_12_12 + -8'P_12_13 + -7'P_12_14 + -6'P_12_15 + -5'P_12_16 + -4'P_12_17 + -3'P_12_18 + -2'P_12_19 + -1'P_12_20 + P_12_22 + P_12_23 + -1'P_13_3 + -2'P_13_4 + -3'P_13_5 + -4'P_13_6 + -5'P_13_7 + -6'P_13_8 + -7'P_13_9 + -8'P_13_10 + -8'P_13_11 + -8'P_13_12 + -7'P_13_13 + -6'P_13_14 + -5'P_13_15 + -4'P_13_16 + -3'P_13_17 + -2'P_13_18 + -1'P_13_19 + P_13_21 + 2'P_13_22 + 2'P_13_23 + -1'P_14_4 + -2'P_14_5 + -3'P_14_6 + -4'P_14_7 + -5'P_14_8 + -6'P_14_9 + -7'P_14_10 + -7'P_14_11 + -7'P_14_12 + -6'P_14_13 + -5'P_14_14 + -4'P_14_15 + -3'P_14_16 + -2'P_14_17 + -1'P_14_18 + P_14_20 + 2'P_14_21 + 2'P_14_22 + P_14_23 + -1'P_15_5 + -2'P_15_6 + -3'P_15_7 + -4'P_15_8 + -5'P_15_9 + -6'P_15_10 + -6'P_15_11 + -6'P_15_12 + -5'P_15_13 + -4'P_15_14 + -3'P_15_15 + -2'P_15_16 + -1'P_15_17 + P_15_19 + 2'P_15_20 + 2'P_15_21 + P_15_22 + -1'P_16_6 + -2'P_16_7 + -3'P_16_8 + -4'P_16_9 + -5'P_16_10 + -5'P_16_11 + -5'P_16_12 + -4'P_16_13 + -3'P_16_14 + -2'P_16_15 + -1'P_16_16 + P_16_18 + 2'P_16_19 + 2'P_16_20 + P_16_21 + -1'P_17_7 + -2'P_17_8 + -3'P_17_9 + -4'P_17_10 + -4'P_17_11 + -4'P_17_12 + -3'P_17_13 + -2'P_17_14 + -1'P_17_15 + P_17_17 + 2'P_17_18 + 2'P_17_19 + P_17_20 + -1'P_18_8 + -2'P_18_9 + -3'P_18_10 + -3'P_18_11 + -3'P_18_12 + -2'P_18_13 + -1'P_18_14 + P_18_16 + 2'P_18_17 + 2'P_18_18 + P_18_19 + -1'P_19_9 + -2'P_19_10 + -2'P_19_11 + -2'P_19_12 + -1'P_19_13 + P_19_15 + 2'P_19_16 + 2'P_19_17 + P_19_18 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + P_20_14 + 2'P_20_15 + 2'P_20_16 + P_20_17 + P_21_13 + 2'P_21_14 + 2'P_21_15 + P_21_16 + P_22_11 + P_22_12 + 2'P_22_13 + 2'P_22_14 + P_22_15 + P_23_11 + 2'P_23_12 + 2'P_23_13 + P_23_14 + P_24_11 + P_24_12 + P_24_13 + cX_12 + 3'cX_13 + 5'cX_14 + 7'cX_15 + 9'cX_16 + 11'cX_17 + 13'cX_18 + 15'cX_19 + 17'cX_20 + 19'cX_21 + 21'cX_22 + 23'cX_23 + 25'cX_24 + cY_11 + 2'cY_12 + 4'cY_13 + 6'cY_14 + 8'cY_15 + 10'cY_16 + 12'cY_17 + 14'cY_18 + 16'cY_19 + 18'cY_20 + 20'cY_21 + 22'cY_22 + 24'cY_23 + 26'cY_24 + -14'L_0 + -13'L_1 + -12'L_2 + -11'L_3 + -10'L_4 + -9'L_5 + -8'L_6 + -7'L_7 + -6'L_8 + -5'L_9 + -4'L_10 + -3'L_11 + -2'L_12 + -1'L_13 + -1'L_36 + -2'L_37 + -3'L_38 + -4'L_39 + -5'L_40 + -6'L_41 + -7'L_42 + -8'L_43 + -9'L_44 + -10'L_45 + -11'L_46 + -12'L_47 + -13'L_48 + -1'R_14 + -2'R_15 + -3'R_16 + -4'R_17 + -5'R_18 + -6'R_19 + -7'R_20 + -8'R_21 + -9'R_22 + -10'R_23 + -11'R_24 + -12'R_25 + -13'R_26 + -14'R_27 + -15'R_28 + -16'R_29 + -17'R_30 + -18'R_31 + -19'R_32 + -20'R_33 + -21'R_34 + -22'R_35 + -23'R_36 + -25'R_37 + -28'R_38 + -31'R_39 + -33'R_40 + -35'R_41 + -37'R_42 + -39'R_43 + -41'R_44 + -43'R_45 + -45'R_46 + -47'R_47 + -49'R_48 + -51'R_49 = -624
invariant :P_0_2 + P_3_2 + -1'P_4_4 + -1'P_4_5 + -1'P_4_6 + -1'P_4_7 + -1'P_4_8 + -1'P_4_9 + -1'P_4_10 + -1'P_4_11 + -1'P_4_12 + -1'P_4_13 + -1'P_4_14 + -1'P_4_15 + -1'P_4_16 + -1'P_4_17 + -1'P_4_18 + -1'P_4_19 + -1'P_4_20 + -1'P_4_21 + -1'P_4_22 + -1'P_4_23 + -1'P_5_3 + -1'P_5_4 + -2'P_5_5 + -2'P_5_6 + -2'P_5_7 + -2'P_5_8 + -2'P_5_9 + -2'P_5_10 + -2'P_5_11 + -2'P_5_12 + -2'P_5_13 + -2'P_5_14 + -2'P_5_15 + -2'P_5_16 + -2'P_5_17 + -2'P_5_18 + -2'P_5_19 + -2'P_5_20 + -2'P_5_21 + -2'P_5_22 + -1'P_5_23 + -1'P_6_3 + -2'P_6_4 + -2'P_6_5 + -3'P_6_6 + -3'P_6_7 + -3'P_6_8 + -3'P_6_9 + -3'P_6_10 + -3'P_6_11 + -3'P_6_12 + -3'P_6_13 + -3'P_6_14 + -3'P_6_15 + -3'P_6_16 + -3'P_6_17 + -3'P_6_18 + -3'P_6_19 + -3'P_6_20 + -3'P_6_21 + -2'P_6_22 + -1'P_6_23 + -1'P_7_3 + -2'P_7_4 + -3'P_7_5 + -3'P_7_6 + -4'P_7_7 + -4'P_7_8 + -4'P_7_9 + -4'P_7_10 + -4'P_7_11 + -4'P_7_12 + -4'P_7_13 + -4'P_7_14 + -4'P_7_15 + -4'P_7_16 + -4'P_7_17 + -4'P_7_18 + -4'P_7_19 + -4'P_7_20 + -3'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_3 + -2'P_8_4 + -3'P_8_5 + -4'P_8_6 + -4'P_8_7 + -5'P_8_8 + -5'P_8_9 + -5'P_8_10 + -5'P_8_11 + -5'P_8_12 + -5'P_8_13 + -5'P_8_14 + -5'P_8_15 + -5'P_8_16 + -5'P_8_17 + -5'P_8_18 + -5'P_8_19 + -4'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_3 + -2'P_9_4 + -3'P_9_5 + -4'P_9_6 + -5'P_9_7 + -5'P_9_8 + -6'P_9_9 + -6'P_9_10 + -6'P_9_11 + -6'P_9_12 + -6'P_9_13 + -6'P_9_14 + -6'P_9_15 + -6'P_9_16 + -6'P_9_17 + -6'P_9_18 + -5'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_3 + -2'P_10_4 + -3'P_10_5 + -4'P_10_6 + -5'P_10_7 + -6'P_10_8 + -6'P_10_9 + -7'P_10_10 + -7'P_10_11 + -7'P_10_12 + -7'P_10_13 + -7'P_10_14 + -7'P_10_15 + -7'P_10_16 + -7'P_10_17 + -6'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_3 + -2'P_11_4 + -3'P_11_5 + -4'P_11_6 + -5'P_11_7 + -6'P_11_8 + -7'P_11_9 + -7'P_11_10 + -8'P_11_11 + -8'P_11_12 + -8'P_11_13 + -8'P_11_14 + -8'P_11_15 + -8'P_11_16 + -7'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_3 + -2'P_12_4 + -3'P_12_5 + -4'P_12_6 + -5'P_12_7 + -6'P_12_8 + -7'P_12_9 + -8'P_12_10 + -8'P_12_11 + -9'P_12_12 + -9'P_12_13 + -9'P_12_14 + -9'P_12_15 + -8'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_3 + -2'P_13_4 + -3'P_13_5 + -4'P_13_6 + -5'P_13_7 + -6'P_13_8 + -7'P_13_9 + -8'P_13_10 + -9'P_13_11 + -9'P_13_12 + -10'P_13_13 + -10'P_13_14 + -9'P_13_15 + -8'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_3 + -2'P_14_4 + -3'P_14_5 + -4'P_14_6 + -5'P_14_7 + -6'P_14_8 + -7'P_14_9 + -8'P_14_10 + -9'P_14_11 + -10'P_14_12 + -10'P_14_13 + -10'P_14_14 + -9'P_14_15 + -8'P_14_16 + -7'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_3 + -2'P_15_4 + -3'P_15_5 + -4'P_15_6 + -5'P_15_7 + -6'P_15_8 + -7'P_15_9 + -8'P_15_10 + -9'P_15_11 + -10'P_15_12 + -10'P_15_13 + -9'P_15_14 + -9'P_15_15 + -8'P_15_16 + -7'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_3 + -2'P_16_4 + -3'P_16_5 + -4'P_16_6 + -5'P_16_7 + -6'P_16_8 + -7'P_16_9 + -8'P_16_10 + -9'P_16_11 + -9'P_16_12 + -9'P_16_13 + -9'P_16_14 + -8'P_16_15 + -8'P_16_16 + -7'P_16_17 + -6'P_16_18 + -5'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_3 + -2'P_17_4 + -3'P_17_5 + -4'P_17_6 + -5'P_17_7 + -6'P_17_8 + -7'P_17_9 + -8'P_17_10 + -8'P_17_11 + -8'P_17_12 + -8'P_17_13 + -8'P_17_14 + -8'P_17_15 + -7'P_17_16 + -7'P_17_17 + -6'P_17_18 + -5'P_17_19 + -4'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_3 + -2'P_18_4 + -3'P_18_5 + -4'P_18_6 + -5'P_18_7 + -6'P_18_8 + -7'P_18_9 + -7'P_18_10 + -7'P_18_11 + -7'P_18_12 + -7'P_18_13 + -7'P_18_14 + -7'P_18_15 + -7'P_18_16 + -6'P_18_17 + -6'P_18_18 + -5'P_18_19 + -4'P_18_20 + -3'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_3 + -2'P_19_4 + -3'P_19_5 + -4'P_19_6 + -5'P_19_7 + -6'P_19_8 + -6'P_19_9 + -6'P_19_10 + -6'P_19_11 + -6'P_19_12 + -6'P_19_13 + -6'P_19_14 + -6'P_19_15 + -6'P_19_16 + -6'P_19_17 + -5'P_19_18 + -5'P_19_19 + -4'P_19_20 + -3'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_3 + -2'P_20_4 + -3'P_20_5 + -4'P_20_6 + -5'P_20_7 + -5'P_20_8 + -5'P_20_9 + -5'P_20_10 + -5'P_20_11 + -5'P_20_12 + -5'P_20_13 + -5'P_20_14 + -5'P_20_15 + -5'P_20_16 + -5'P_20_17 + -5'P_20_18 + -4'P_20_19 + -4'P_20_20 + -3'P_20_21 + -2'P_20_22 + -1'P_20_23 + -1'P_21_3 + -2'P_21_4 + -3'P_21_5 + -4'P_21_6 + -4'P_21_7 + -4'P_21_8 + -4'P_21_9 + -4'P_21_10 + -4'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -4'P_21_15 + -4'P_21_16 + -4'P_21_17 + -4'P_21_18 + -4'P_21_19 + -3'P_21_20 + -3'P_21_21 + -2'P_21_22 + -1'P_21_23 + -1'P_22_3 + -2'P_22_4 + -3'P_22_5 + -3'P_22_6 + -3'P_22_7 + -3'P_22_8 + -3'P_22_9 + -3'P_22_10 + -3'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -3'P_22_15 + -3'P_22_16 + -3'P_22_17 + -3'P_22_18 + -3'P_22_19 + -3'P_22_20 + -2'P_22_21 + -2'P_22_22 + -1'P_22_23 + -1'P_23_3 + -2'P_23_4 + -2'P_23_5 + -2'P_23_6 + -2'P_23_7 + -2'P_23_8 + -2'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -2'P_23_16 + -2'P_23_17 + -2'P_23_18 + -2'P_23_19 + -2'P_23_20 + -2'P_23_21 + -1'P_23_22 + -1'P_23_23 + -1'P_24_3 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + -1'P_24_22 + -1'cX_4 + -2'cX_5 + -3'cX_6 + -4'cX_7 + -5'cX_8 + -6'cX_9 + -7'cX_10 + -8'cX_11 + -9'cX_12 + -10'cX_13 + -11'cX_14 + -12'cX_15 + -13'cX_16 + -14'cX_17 + -15'cX_18 + -16'cX_19 + -17'cX_20 + -18'cX_21 + -19'cX_22 + -20'cX_23 + -21'cX_24 + -1'cY_3 + -2'cY_4 + -3'cY_5 + -4'cY_6 + -5'cY_7 + -6'cY_8 + -7'cY_9 + -8'cY_10 + -9'cY_11 + -10'cY_12 + -11'cY_13 + -12'cY_14 + -13'cY_15 + -14'cY_16 + -15'cY_17 + -16'cY_18 + -17'cY_19 + -18'cY_20 + -19'cY_21 + -20'cY_22 + -21'cY_23 + -22'cY_24 + 12'L_0 + 11'L_1 + 11'L_2 + 10'L_3 + 10'L_4 + 9'L_5 + 9'L_6 + 8'L_7 + 8'L_8 + 7'L_9 + 7'L_10 + 6'L_11 + 6'L_12 + 5'L_13 + 5'L_14 + 4'L_15 + 4'L_16 + 3'L_17 + 3'L_18 + 2'L_19 + 2'L_20 + L_21 + L_22 + L_28 + L_29 + 2'L_30 + 2'L_31 + 3'L_32 + 3'L_33 + 4'L_34 + 4'L_35 + 5'L_36 + 5'L_37 + 6'L_38 + 6'L_39 + 7'L_40 + 7'L_41 + 8'L_42 + 8'L_43 + 9'L_44 + 9'L_45 + 10'L_46 + 10'L_47 + 11'L_48 + R_6 + R_7 + 2'R_8 + 2'R_9 + 3'R_10 + 3'R_11 + 4'R_12 + 4'R_13 + 5'R_14 + 5'R_15 + 6'R_16 + 6'R_17 + 7'R_18 + 7'R_19 + 8'R_20 + 8'R_21 + 9'R_22 + 9'R_23 + 10'R_24 + 10'R_25 + 11'R_26 + 11'R_27 + 12'R_28 + 13'R_29 + 15'R_30 + 16'R_31 + 18'R_32 + 19'R_33 + 21'R_34 + 22'R_35 + 24'R_36 + 25'R_37 + 27'R_38 + 28'R_39 + 30'R_40 + 31'R_41 + 33'R_42 + 34'R_43 + 36'R_44 + 37'R_45 + 39'R_46 + 40'R_47 + 42'R_48 + 43'R_49 = 518
invariant :P_1_2 + P_3_4 + P_3_5 + P_3_6 + P_3_7 + P_3_8 + P_3_9 + P_3_10 + P_3_11 + P_3_12 + P_3_13 + P_3_14 + P_3_15 + P_3_16 + P_3_17 + P_3_18 + P_3_19 + P_3_20 + P_3_21 + P_3_22 + P_3_23 + P_4_2 + P_4_3 + 2'P_4_4 + 3'P_4_5 + 3'P_4_6 + 3'P_4_7 + 3'P_4_8 + 3'P_4_9 + 3'P_4_10 + 3'P_4_11 + 3'P_4_12 + 3'P_4_13 + 3'P_4_14 + 3'P_4_15 + 3'P_4_16 + 3'P_4_17 + 3'P_4_18 + 3'P_4_19 + 3'P_4_20 + 3'P_4_21 + 3'P_4_22 + 2'P_4_23 + P_5_2 + 2'P_5_3 + 3'P_5_4 + 4'P_5_5 + 5'P_5_6 + 5'P_5_7 + 5'P_5_8 + 5'P_5_9 + 5'P_5_10 + 5'P_5_11 + 5'P_5_12 + 5'P_5_13 + 5'P_5_14 + 5'P_5_15 + 5'P_5_16 + 5'P_5_17 + 5'P_5_18 + 5'P_5_19 + 5'P_5_20 + 5'P_5_21 + 4'P_5_22 + 2'P_5_23 + P_6_2 + 2'P_6_3 + 4'P_6_4 + 5'P_6_5 + 6'P_6_6 + 7'P_6_7 + 7'P_6_8 + 7'P_6_9 + 7'P_6_10 + 7'P_6_11 + 7'P_6_12 + 7'P_6_13 + 7'P_6_14 + 7'P_6_15 + 7'P_6_16 + 7'P_6_17 + 7'P_6_18 + 7'P_6_19 + 7'P_6_20 + 6'P_6_21 + 4'P_6_22 + 2'P_6_23 + P_7_2 + 2'P_7_3 + 4'P_7_4 + 6'P_7_5 + 7'P_7_6 + 8'P_7_7 + 9'P_7_8 + 9'P_7_9 + 9'P_7_10 + 9'P_7_11 + 9'P_7_12 + 9'P_7_13 + 9'P_7_14 + 9'P_7_15 + 9'P_7_16 + 9'P_7_17 + 9'P_7_18 + 9'P_7_19 + 8'P_7_20 + 6'P_7_21 + 4'P_7_22 + 2'P_7_23 + P_8_2 + 2'P_8_3 + 4'P_8_4 + 6'P_8_5 + 8'P_8_6 + 9'P_8_7 + 10'P_8_8 + 11'P_8_9 + 11'P_8_10 + 11'P_8_11 + 11'P_8_12 + 11'P_8_13 + 11'P_8_14 + 11'P_8_15 + 11'P_8_16 + 11'P_8_17 + 11'P_8_18 + 10'P_8_19 + 8'P_8_20 + 6'P_8_21 + 4'P_8_22 + 2'P_8_23 + P_9_2 + 2'P_9_3 + 4'P_9_4 + 6'P_9_5 + 8'P_9_6 + 10'P_9_7 + 11'P_9_8 + 12'P_9_9 + 13'P_9_10 + 13'P_9_11 + 13'P_9_12 + 13'P_9_13 + 13'P_9_14 + 13'P_9_15 + 13'P_9_16 + 13'P_9_17 + 12'P_9_18 + 10'P_9_19 + 8'P_9_20 + 6'P_9_21 + 4'P_9_22 + 2'P_9_23 + P_10_2 + 2'P_10_3 + 4'P_10_4 + 6'P_10_5 + 8'P_10_6 + 10'P_10_7 + 12'P_10_8 + 13'P_10_9 + 14'P_10_10 + 15'P_10_11 + 15'P_10_12 + 15'P_10_13 + 15'P_10_14 + 15'P_10_15 + 15'P_10_16 + 14'P_10_17 + 12'P_10_18 + 10'P_10_19 + 8'P_10_20 + 6'P_10_21 + 4'P_10_22 + 2'P_10_23 + P_11_2 + 2'P_11_3 + 4'P_11_4 + 6'P_11_5 + 8'P_11_6 + 10'P_11_7 + 12'P_11_8 + 14'P_11_9 + 15'P_11_10 + 16'P_11_11 + 17'P_11_12 + 17'P_11_13 + 17'P_11_14 + 17'P_11_15 + 16'P_11_16 + 14'P_11_17 + 12'P_11_18 + 10'P_11_19 + 8'P_11_20 + 6'P_11_21 + 4'P_11_22 + 2'P_11_23 + P_12_2 + 2'P_12_3 + 4'P_12_4 + 6'P_12_5 + 8'P_12_6 + 10'P_12_7 + 12'P_12_8 + 14'P_12_9 + 16'P_12_10 + 17'P_12_11 + 18'P_12_12 + 19'P_12_13 + 19'P_12_14 + 18'P_12_15 + 16'P_12_16 + 14'P_12_17 + 12'P_12_18 + 10'P_12_19 + 8'P_12_20 + 6'P_12_21 + 4'P_12_22 + 2'P_12_23 + P_13_2 + 2'P_13_3 + 4'P_13_4 + 6'P_13_5 + 8'P_13_6 + 10'P_13_7 + 12'P_13_8 + 14'P_13_9 + 16'P_13_10 + 18'P_13_11 + 19'P_13_12 + 20'P_13_13 + 20'P_13_14 + 18'P_13_15 + 16'P_13_16 + 14'P_13_17 + 12'P_13_18 + 10'P_13_19 + 8'P_13_20 + 6'P_13_21 + 4'P_13_22 + 2'P_13_23 + P_14_2 + 2'P_14_3 + 4'P_14_4 + 6'P_14_5 + 8'P_14_6 + 10'P_14_7 + 12'P_14_8 + 14'P_14_9 + 16'P_14_10 + 18'P_14_11 + 20'P_14_12 + 20'P_14_13 + 19'P_14_14 + 18'P_14_15 + 16'P_14_16 + 14'P_14_17 + 12'P_14_18 + 10'P_14_19 + 8'P_14_20 + 6'P_14_21 + 4'P_14_22 + 2'P_14_23 + P_15_2 + 2'P_15_3 + 4'P_15_4 + 6'P_15_5 + 8'P_15_6 + 10'P_15_7 + 12'P_15_8 + 14'P_15_9 + 16'P_15_10 + 18'P_15_11 + 19'P_15_12 + 19'P_15_13 + 18'P_15_14 + 17'P_15_15 + 16'P_15_16 + 14'P_15_17 + 12'P_15_18 + 10'P_15_19 + 8'P_15_20 + 6'P_15_21 + 4'P_15_22 + 2'P_15_23 + P_16_2 + 2'P_16_3 + 4'P_16_4 + 6'P_16_5 + 8'P_16_6 + 10'P_16_7 + 12'P_16_8 + 14'P_16_9 + 16'P_16_10 + 17'P_16_11 + 17'P_16_12 + 17'P_16_13 + 17'P_16_14 + 16'P_16_15 + 15'P_16_16 + 14'P_16_17 + 12'P_16_18 + 10'P_16_19 + 8'P_16_20 + 6'P_16_21 + 4'P_16_22 + 2'P_16_23 + P_17_2 + 2'P_17_3 + 4'P_17_4 + 6'P_17_5 + 8'P_17_6 + 10'P_17_7 + 12'P_17_8 + 14'P_17_9 + 15'P_17_10 + 15'P_17_11 + 15'P_17_12 + 15'P_17_13 + 15'P_17_14 + 15'P_17_15 + 14'P_17_16 + 13'P_17_17 + 12'P_17_18 + 10'P_17_19 + 8'P_17_20 + 6'P_17_21 + 4'P_17_22 + 2'P_17_23 + P_18_2 + 2'P_18_3 + 4'P_18_4 + 6'P_18_5 + 8'P_18_6 + 10'P_18_7 + 12'P_18_8 + 13'P_18_9 + 13'P_18_10 + 13'P_18_11 + 13'P_18_12 + 13'P_18_13 + 13'P_18_14 + 13'P_18_15 + 13'P_18_16 + 12'P_18_17 + 11'P_18_18 + 10'P_18_19 + 8'P_18_20 + 6'P_18_21 + 4'P_18_22 + 2'P_18_23 + P_19_2 + 2'P_19_3 + 4'P_19_4 + 6'P_19_5 + 8'P_19_6 + 10'P_19_7 + 11'P_19_8 + 11'P_19_9 + 11'P_19_10 + 11'P_19_11 + 11'P_19_12 + 11'P_19_13 + 11'P_19_14 + 11'P_19_15 + 11'P_19_16 + 11'P_19_17 + 10'P_19_18 + 9'P_19_19 + 8'P_19_20 + 6'P_19_21 + 4'P_19_22 + 2'P_19_23 + P_20_2 + 2'P_20_3 + 4'P_20_4 + 6'P_20_5 + 8'P_20_6 + 9'P_20_7 + 9'P_20_8 + 9'P_20_9 + 9'P_20_10 + 9'P_20_11 + 9'P_20_12 + 9'P_20_13 + 9'P_20_14 + 9'P_20_15 + 9'P_20_16 + 9'P_20_17 + 9'P_20_18 + 8'P_20_19 + 7'P_20_20 + 6'P_20_21 + 4'P_20_22 + 2'P_20_23 + P_21_2 + 2'P_21_3 + 4'P_21_4 + 6'P_21_5 + 7'P_21_6 + 7'P_21_7 + 7'P_21_8 + 7'P_21_9 + 7'P_21_10 + 7'P_21_11 + 7'P_21_12 + 7'P_21_13 + 7'P_21_14 + 7'P_21_15 + 7'P_21_16 + 7'P_21_17 + 7'P_21_18 + 7'P_21_19 + 6'P_21_20 + 5'P_21_21 + 4'P_21_22 + 2'P_21_23 + P_22_2 + 2'P_22_3 + 4'P_22_4 + 5'P_22_5 + 5'P_22_6 + 5'P_22_7 + 5'P_22_8 + 5'P_22_9 + 5'P_22_10 + 5'P_22_11 + 5'P_22_12 + 5'P_22_13 + 5'P_22_14 + 5'P_22_15 + 5'P_22_16 + 5'P_22_17 + 5'P_22_18 + 5'P_22_19 + 5'P_22_20 + 4'P_22_21 + 3'P_22_22 + 2'P_22_23 + P_23_2 + 2'P_23_3 + 3'P_23_4 + 3'P_23_5 + 3'P_23_6 + 3'P_23_7 + 3'P_23_8 + 3'P_23_9 + 3'P_23_10 + 3'P_23_11 + 3'P_23_12 + 3'P_23_13 + 3'P_23_14 + 3'P_23_15 + 3'P_23_16 + 3'P_23_17 + 3'P_23_18 + 3'P_23_19 + 3'P_23_20 + 3'P_23_21 + 2'P_23_22 + P_23_23 + P_24_2 + P_24_3 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + P_24_22 + cX_3 + 3'cX_4 + 5'cX_5 + 7'cX_6 + 9'cX_7 + 11'cX_8 + 13'cX_9 + 15'cX_10 + 17'cX_11 + 19'cX_12 + 21'cX_13 + 23'cX_14 + 25'cX_15 + 27'cX_16 + 29'cX_17 + 31'cX_18 + 33'cX_19 + 35'cX_20 + 37'cX_21 + 39'cX_22 + 41'cX_23 + 43'cX_24 + cY_2 + 2'cY_3 + 4'cY_4 + 6'cY_5 + 8'cY_6 + 10'cY_7 + 12'cY_8 + 14'cY_9 + 16'cY_10 + 18'cY_11 + 20'cY_12 + 22'cY_13 + 24'cY_14 + 26'cY_15 + 28'cY_16 + 30'cY_17 + 32'cY_18 + 34'cY_19 + 36'cY_20 + 38'cY_21 + 40'cY_22 + 42'cY_23 + 44'cY_24 + -23'L_0 + -22'L_1 + -21'L_2 + -20'L_3 + -19'L_4 + -18'L_5 + -17'L_6 + -16'L_7 + -15'L_8 + -14'L_9 + -13'L_10 + -12'L_11 + -11'L_12 + -10'L_13 + -9'L_14 + -8'L_15 + -7'L_16 + -6'L_17 + -5'L_18 + -4'L_19 + -3'L_20 + -2'L_21 + -1'L_22 + -1'L_27 + -2'L_28 + -3'L_29 + -4'L_30 + -5'L_31 + -6'L_32 + -7'L_33 + -8'L_34 + -9'L_35 + -10'L_36 + -11'L_37 + -12'L_38 + -13'L_39 + -14'L_40 + -15'L_41 + -16'L_42 + -17'L_43 + -18'L_44 + -19'L_45 + -20'L_46 + -21'L_47 + -22'L_48 + -1'R_5 + -2'R_6 + -3'R_7 + -4'R_8 + -5'R_9 + -6'R_10 + -7'R_11 + -8'R_12 + -9'R_13 + -10'R_14 + -11'R_15 + -12'R_16 + -13'R_17 + -14'R_18 + -15'R_19 + -16'R_20 + -17'R_21 + -18'R_22 + -19'R_23 + -20'R_24 + -21'R_25 + -22'R_26 + -23'R_27 + -25'R_28 + -28'R_29 + -31'R_30 + -34'R_31 + -37'R_32 + -40'R_33 + -43'R_34 + -46'R_35 + -49'R_36 + -52'R_37 + -55'R_38 + -58'R_39 + -61'R_40 + -64'R_41 + -67'R_42 + -70'R_43 + -73'R_44 + -76'R_45 + -79'R_46 + -82'R_47 + -85'R_48 + -87'R_49 = -1056
invariant :P_2_12 + P_3_11 + P_3_12 + P_3_13 + P_4_10 + P_4_11 + 2'P_4_12 + P_4_13 + P_4_14 + P_5_9 + P_5_10 + 2'P_5_11 + 2'P_5_12 + 2'P_5_13 + P_5_14 + P_5_15 + P_6_8 + P_6_9 + 2'P_6_10 + 2'P_6_11 + 3'P_6_12 + 2'P_6_13 + 2'P_6_14 + P_6_15 + P_6_16 + P_7_7 + P_7_8 + 2'P_7_9 + 2'P_7_10 + 3'P_7_11 + 3'P_7_12 + 3'P_7_13 + 2'P_7_14 + 2'P_7_15 + P_7_16 + P_7_17 + P_8_6 + P_8_7 + 2'P_8_8 + 2'P_8_9 + 3'P_8_10 + 3'P_8_11 + 4'P_8_12 + 3'P_8_13 + 3'P_8_14 + 2'P_8_15 + 2'P_8_16 + P_8_17 + P_8_18 + P_9_5 + P_9_6 + 2'P_9_7 + 2'P_9_8 + 3'P_9_9 + 3'P_9_10 + 4'P_9_11 + 4'P_9_12 + 4'P_9_13 + 3'P_9_14 + 3'P_9_15 + 2'P_9_16 + 2'P_9_17 + P_9_18 + P_9_19 + P_10_4 + P_10_5 + 2'P_10_6 + 2'P_10_7 + 3'P_10_8 + 3'P_10_9 + 4'P_10_10 + 4'P_10_11 + 5'P_10_12 + 4'P_10_13 + 4'P_10_14 + 3'P_10_15 + 3'P_10_16 + 2'P_10_17 + 2'P_10_18 + P_10_19 + P_10_20 + P_11_3 + P_11_4 + 2'P_11_5 + 2'P_11_6 + 3'P_11_7 + 3'P_11_8 + 4'P_11_9 + 4'P_11_10 + 5'P_11_11 + 5'P_11_12 + 5'P_11_13 + 4'P_11_14 + 4'P_11_15 + 3'P_11_16 + 3'P_11_17 + 2'P_11_18 + 2'P_11_19 + P_11_20 + P_11_21 + P_12_2 + P_12_3 + 2'P_12_4 + 2'P_12_5 + 3'P_12_6 + 3'P_12_7 + 4'P_12_8 + 4'P_12_9 + 5'P_12_10 + 5'P_12_11 + 6'P_12_12 + 5'P_12_13 + 5'P_12_14 + 4'P_12_15 + 4'P_12_16 + 3'P_12_17 + 3'P_12_18 + 2'P_12_19 + 2'P_12_20 + P_12_21 + P_12_22 + P_13_3 + P_13_4 + 2'P_13_5 + 2'P_13_6 + 3'P_13_7 + 3'P_13_8 + 4'P_13_9 + 4'P_13_10 + 5'P_13_11 + 5'P_13_12 + 5'P_13_13 + 4'P_13_14 + 4'P_13_15 + 3'P_13_16 + 3'P_13_17 + 2'P_13_18 + 2'P_13_19 + P_13_20 + P_13_21 + P_14_4 + P_14_5 + 2'P_14_6 + 2'P_14_7 + 3'P_14_8 + 3'P_14_9 + 4'P_14_10 + 4'P_14_11 + 5'P_14_12 + 4'P_14_13 + 4'P_14_14 + 3'P_14_15 + 3'P_14_16 + 2'P_14_17 + 2'P_14_18 + P_14_19 + P_14_20 + P_15_5 + P_15_6 + 2'P_15_7 + 2'P_15_8 + 3'P_15_9 + 3'P_15_10 + 4'P_15_11 + 4'P_15_12 + 4'P_15_13 + 3'P_15_14 + 3'P_15_15 + 2'P_15_16 + 2'P_15_17 + P_15_18 + P_15_19 + P_16_6 + P_16_7 + 2'P_16_8 + 2'P_16_9 + 3'P_16_10 + 3'P_16_11 + 4'P_16_12 + 3'P_16_13 + 3'P_16_14 + 2'P_16_15 + 2'P_16_16 + P_16_17 + P_16_18 + P_17_7 + P_17_8 + 2'P_17_9 + 2'P_17_10 + 3'P_17_11 + 3'P_17_12 + 3'P_17_13 + 2'P_17_14 + 2'P_17_15 + P_17_16 + P_17_17 + P_18_8 + P_18_9 + 2'P_18_10 + 2'P_18_11 + 3'P_18_12 + 2'P_18_13 + 2'P_18_14 + P_18_15 + P_18_16 + P_19_9 + P_19_10 + 2'P_19_11 + 2'P_19_12 + 2'P_19_13 + P_19_14 + P_19_15 + P_20_10 + P_20_11 + 2'P_20_12 + P_20_13 + P_20_14 + P_21_11 + P_21_12 + P_21_13 + P_22_12 + -1'cX_13 + -2'cX_14 + -3'cX_15 + -4'cX_16 + -5'cX_17 + -6'cX_18 + -7'cX_19 + -8'cX_20 + -9'cX_21 + -10'cX_22 + -11'cX_23 + -12'cX_24 + -1'cY_13 + -2'cY_14 + -3'cY_15 + -4'cY_16 + -5'cY_17 + -6'cY_18 + -7'cY_19 + -8'cY_20 + -9'cY_21 + -10'cY_22 + -11'cY_23 + -12'cY_24 + 6'L_0 + 6'L_1 + 5'L_2 + 5'L_3 + 4'L_4 + 4'L_5 + 3'L_6 + 3'L_7 + 2'L_8 + 2'L_9 + L_10 + L_11 + L_37 + L_38 + 2'L_39 + 2'L_40 + 3'L_41 + 3'L_42 + 4'L_43 + 4'L_44 + 5'L_45 + 5'L_46 + 6'L_47 + 6'L_48 + R_15 + R_16 + 2'R_17 + 2'R_18 + 3'R_19 + 3'R_20 + 4'R_21 + 4'R_22 + 5'R_23 + 5'R_24 + 6'R_25 + 6'R_26 + 7'R_27 + 7'R_28 + 8'R_29 + 8'R_30 + 9'R_31 + 9'R_32 + 10'R_33 + 10'R_34 + 11'R_35 + 11'R_36 + 12'R_37 + 13'R_38 + 14'R_39 + 15'R_40 + 16'R_41 + 17'R_42 + 18'R_43 + 19'R_44 + 20'R_45 + 21'R_46 + 22'R_47 + 23'R_48 + 24'R_49 = 294
invariant :P_19_24 + P_20_23 + P_21_22 + P_22_21 + P_23_20 + P_24_19 + R_44 = 1
invariant :P_0_6 + P_3_6 + P_4_5 + P_4_6 + P_4_7 + P_5_4 + P_5_5 + 2'P_5_6 + P_5_7 + P_5_8 + P_6_3 + P_6_4 + 2'P_6_5 + 2'P_6_6 + 2'P_6_7 + P_6_8 + P_6_9 + P_7_2 + P_7_3 + 2'P_7_4 + 2'P_7_5 + 3'P_7_6 + 2'P_7_7 + 2'P_7_8 + P_7_9 + P_7_10 + P_8_3 + P_8_4 + 2'P_8_5 + 2'P_8_6 + 2'P_8_7 + P_8_8 + P_8_9 + -1'P_8_12 + -1'P_8_13 + -1'P_8_14 + -1'P_8_15 + -1'P_8_16 + -1'P_8_17 + -1'P_8_18 + -1'P_8_19 + -1'P_8_20 + -1'P_8_21 + -1'P_8_22 + -1'P_8_23 + P_9_4 + P_9_5 + 2'P_9_6 + P_9_7 + P_9_8 + -1'P_9_11 + -1'P_9_12 + -2'P_9_13 + -2'P_9_14 + -2'P_9_15 + -2'P_9_16 + -2'P_9_17 + -2'P_9_18 + -2'P_9_19 + -2'P_9_20 + -2'P_9_21 + -2'P_9_22 + -1'P_9_23 + P_10_5 + P_10_6 + P_10_7 + -1'P_10_10 + -1'P_10_11 + -2'P_10_12 + -2'P_10_13 + -3'P_10_14 + -3'P_10_15 + -3'P_10_16 + -3'P_10_17 + -3'P_10_18 + -3'P_10_19 + -3'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + P_11_6 + -1'P_11_9 + -1'P_11_10 + -2'P_11_11 + -2'P_11_12 + -3'P_11_13 + -3'P_11_14 + -4'P_11_15 + -4'P_11_16 + -4'P_11_17 + -4'P_11_18 + -4'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_8 + -1'P_12_9 + -2'P_12_10 + -2'P_12_11 + -3'P_12_12 + -3'P_12_13 + -4'P_12_14 + -4'P_12_15 + -5'P_12_16 + -5'P_12_17 + -5'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_7 + -1'P_13_8 + -2'P_13_9 + -2'P_13_10 + -3'P_13_11 + -3'P_13_12 + -4'P_13_13 + -4'P_13_14 + -5'P_13_15 + -5'P_13_16 + -6'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_7 + -2'P_14_8 + -2'P_14_9 + -3'P_14_10 + -3'P_14_11 + -4'P_14_12 + -4'P_14_13 + -5'P_14_14 + -5'P_14_15 + -6'P_14_16 + -6'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_7 + -2'P_15_8 + -3'P_15_9 + -3'P_15_10 + -4'P_15_11 + -4'P_15_12 + -5'P_15_13 + -5'P_15_14 + -6'P_15_15 + -6'P_15_16 + -6'P_15_17 + -5'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_7 + -2'P_16_8 + -3'P_16_9 + -4'P_16_10 + -4'P_16_11 + -5'P_16_12 + -5'P_16_13 + -6'P_16_14 + -6'P_16_15 + -6'P_16_16 + -5'P_16_17 + -5'P_16_18 + -4'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_7 + -2'P_17_8 + -3'P_17_9 + -4'P_17_10 + -5'P_17_11 + -5'P_17_12 + -6'P_17_13 + -6'P_17_14 + -6'P_17_15 + -5'P_17_16 + -5'P_17_17 + -4'P_17_18 + -4'P_17_19 + -3'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_7 + -2'P_18_8 + -3'P_18_9 + -4'P_18_10 + -5'P_18_11 + -6'P_18_12 + -6'P_18_13 + -6'P_18_14 + -5'P_18_15 + -5'P_18_16 + -4'P_18_17 + -4'P_18_18 + -3'P_18_19 + -3'P_18_20 + -2'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_7 + -2'P_19_8 + -3'P_19_9 + -4'P_19_10 + -5'P_19_11 + -6'P_19_12 + -6'P_19_13 + -5'P_19_14 + -5'P_19_15 + -4'P_19_16 + -4'P_19_17 + -3'P_19_18 + -3'P_19_19 + -2'P_19_20 + -2'P_19_21 + -1'P_19_22 + -1'P_19_23 + -1'P_20_7 + -2'P_20_8 + -3'P_20_9 + -4'P_20_10 + -5'P_20_11 + -5'P_20_12 + -5'P_20_13 + -5'P_20_14 + -4'P_20_15 + -4'P_20_16 + -3'P_20_17 + -3'P_20_18 + -2'P_20_19 + -2'P_20_20 + -1'P_20_21 + -1'P_20_22 + -1'P_21_7 + -2'P_21_8 + -3'P_21_9 + -4'P_21_10 + -4'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -4'P_21_15 + -3'P_21_16 + -3'P_21_17 + -2'P_21_18 + -2'P_21_19 + -1'P_21_20 + -1'P_21_21 + -1'P_22_7 + -2'P_22_8 + -3'P_22_9 + -3'P_22_10 + -3'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -3'P_22_15 + -3'P_22_16 + -2'P_22_17 + -2'P_22_18 + -1'P_22_19 + -1'P_22_20 + -1'P_23_7 + -2'P_23_8 + -2'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -2'P_23_16 + -2'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'cX_8 + -2'cX_9 + -3'cX_10 + -4'cX_11 + -5'cX_12 + -6'cX_13 + -7'cX_14 + -8'cX_15 + -9'cX_16 + -10'cX_17 + -11'cX_18 + -12'cX_19 + -13'cX_20 + -14'cX_21 + -15'cX_22 + -16'cX_23 + -17'cX_24 + -1'cY_7 + -2'cY_8 + -3'cY_9 + -4'cY_10 + -5'cY_11 + -6'cY_12 + -7'cY_13 + -8'cY_14 + -9'cY_15 + -10'cY_16 + -11'cY_17 + -12'cY_18 + -13'cY_19 + -14'cY_20 + -15'cY_21 + -16'cY_22 + -17'cY_23 + -18'cY_24 + 10'L_0 + 9'L_1 + 9'L_2 + 8'L_3 + 8'L_4 + 7'L_5 + 7'L_6 + 6'L_7 + 6'L_8 + 5'L_9 + 5'L_10 + 4'L_11 + 4'L_12 + 3'L_13 + 3'L_14 + 2'L_15 + 2'L_16 + L_17 + L_18 + L_32 + L_33 + 2'L_34 + 2'L_35 + 3'L_36 + 3'L_37 + 4'L_38 + 4'L_39 + 5'L_40 + 5'L_41 + 6'L_42 + 6'L_43 + 7'L_44 + 7'L_45 + 8'L_46 + 8'L_47 + 9'L_48 + R_10 + R_11 + 2'R_12 + 2'R_13 + 3'R_14 + 3'R_15 + 4'R_16 + 4'R_17 + 5'R_18 + 5'R_19 + 6'R_20 + 6'R_21 + 7'R_22 + 7'R_23 + 8'R_24 + 8'R_25 + 9'R_26 + 9'R_27 + 10'R_28 + 10'R_29 + 11'R_30 + 11'R_31 + 12'R_32 + 13'R_33 + 15'R_34 + 16'R_35 + 18'R_36 + 19'R_37 + 21'R_38 + 22'R_39 + 24'R_40 + 25'R_41 + 27'R_42 + 28'R_43 + 30'R_44 + 31'R_45 + 32'R_46 + 33'R_47 + 34'R_48 + 35'R_49 = 424
invariant :P_2_15 + P_3_14 + P_3_15 + P_3_16 + P_4_13 + P_4_14 + 2'P_4_15 + P_4_16 + P_4_17 + P_5_12 + P_5_13 + 2'P_5_14 + 2'P_5_15 + 2'P_5_16 + P_5_17 + P_5_18 + P_6_11 + P_6_12 + 2'P_6_13 + 2'P_6_14 + 3'P_6_15 + 2'P_6_16 + 2'P_6_17 + P_6_18 + P_6_19 + P_7_10 + P_7_11 + 2'P_7_12 + 2'P_7_13 + 3'P_7_14 + 3'P_7_15 + 3'P_7_16 + 2'P_7_17 + 2'P_7_18 + P_7_19 + P_7_20 + P_8_9 + P_8_10 + 2'P_8_11 + 2'P_8_12 + 3'P_8_13 + 3'P_8_14 + 4'P_8_15 + 3'P_8_16 + 3'P_8_17 + 2'P_8_18 + 2'P_8_19 + P_8_20 + P_8_21 + P_9_8 + P_9_9 + 2'P_9_10 + 2'P_9_11 + 3'P_9_12 + 3'P_9_13 + 4'P_9_14 + 4'P_9_15 + 4'P_9_16 + 3'P_9_17 + 3'P_9_18 + 2'P_9_19 + 2'P_9_20 + P_9_21 + P_9_22 + P_10_7 + P_10_8 + 2'P_10_9 + 2'P_10_10 + 3'P_10_11 + 3'P_10_12 + 4'P_10_13 + 4'P_10_14 + 5'P_10_15 + 4'P_10_16 + 4'P_10_17 + 3'P_10_18 + 3'P_10_19 + 2'P_10_20 + 2'P_10_21 + P_10_22 + P_10_23 + P_11_6 + P_11_7 + 2'P_11_8 + 2'P_11_9 + 3'P_11_10 + 3'P_11_11 + 4'P_11_12 + 4'P_11_13 + 5'P_11_14 + 5'P_11_15 + 5'P_11_16 + 4'P_11_17 + 4'P_11_18 + 3'P_11_19 + 3'P_11_20 + 2'P_11_21 + 2'P_11_22 + P_11_23 + P_12_5 + P_12_6 + 2'P_12_7 + 2'P_12_8 + 3'P_12_9 + 3'P_12_10 + 4'P_12_11 + 4'P_12_12 + 5'P_12_13 + 5'P_12_14 + 6'P_12_15 + 5'P_12_16 + 5'P_12_17 + 4'P_12_18 + 4'P_12_19 + 3'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_4 + P_13_5 + 2'P_13_6 + 2'P_13_7 + 3'P_13_8 + 3'P_13_9 + 4'P_13_10 + 4'P_13_11 + 5'P_13_12 + 5'P_13_13 + 6'P_13_14 + 6'P_13_15 + 6'P_13_16 + 5'P_13_17 + 5'P_13_18 + 4'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_3 + P_14_4 + 2'P_14_5 + 2'P_14_6 + 3'P_14_7 + 3'P_14_8 + 4'P_14_9 + 4'P_14_10 + 5'P_14_11 + 5'P_14_12 + 6'P_14_13 + 6'P_14_14 + 7'P_14_15 + 6'P_14_16 + 6'P_14_17 + 5'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_2 + P_15_3 + 2'P_15_4 + 2'P_15_5 + 3'P_15_6 + 3'P_15_7 + 4'P_15_8 + 4'P_15_9 + 5'P_15_10 + 5'P_15_11 + 6'P_15_12 + 6'P_15_13 + 7'P_15_14 + 7'P_15_15 + 7'P_15_16 + 6'P_15_17 + 6'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_3 + P_16_4 + 2'P_16_5 + 2'P_16_6 + 3'P_16_7 + 3'P_16_8 + 4'P_16_9 + 4'P_16_10 + 5'P_16_11 + 5'P_16_12 + 6'P_16_13 + 6'P_16_14 + 7'P_16_15 + 6'P_16_16 + 6'P_16_17 + 5'P_16_18 + 4'P_16_19 + 3'P_16_20 + 2'P_16_21 + P_16_22 + P_17_4 + P_17_5 + 2'P_17_6 + 2'P_17_7 + 3'P_17_8 + 3'P_17_9 + 4'P_17_10 + 4'P_17_11 + 5'P_17_12 + 5'P_17_13 + 6'P_17_14 + 6'P_17_15 + 6'P_17_16 + 5'P_17_17 + 4'P_17_18 + 3'P_17_19 + 2'P_17_20 + P_17_21 + P_18_5 + P_18_6 + 2'P_18_7 + 2'P_18_8 + 3'P_18_9 + 3'P_18_10 + 4'P_18_11 + 4'P_18_12 + 5'P_18_13 + 5'P_18_14 + 6'P_18_15 + 5'P_18_16 + 4'P_18_17 + 3'P_18_18 + 2'P_18_19 + P_18_20 + P_19_6 + P_19_7 + 2'P_19_8 + 2'P_19_9 + 3'P_19_10 + 3'P_19_11 + 4'P_19_12 + 4'P_19_13 + 5'P_19_14 + 5'P_19_15 + 4'P_19_16 + 3'P_19_17 + 2'P_19_18 + P_19_19 + P_20_7 + P_20_8 + 2'P_20_9 + 2'P_20_10 + 3'P_20_11 + 3'P_20_12 + 4'P_20_13 + 4'P_20_14 + 4'P_20_15 + 3'P_20_16 + 2'P_20_17 + P_20_18 + P_21_8 + P_21_9 + 2'P_21_10 + 2'P_21_11 + 3'P_21_12 + 3'P_21_13 + 3'P_21_14 + 3'P_21_15 + 2'P_21_16 + P_21_17 + P_22_9 + P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + P_22_16 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + -1'cX_16 + -2'cX_17 + -3'cX_18 + -4'cX_19 + -5'cX_20 + -6'cX_21 + -7'cX_22 + -8'cX_23 + -9'cX_24 + -1'cY_16 + -2'cY_17 + -3'cY_18 + -4'cY_19 + -5'cY_20 + -6'cY_21 + -7'cY_22 + -8'cY_23 + -9'cY_24 + 5'L_0 + 4'L_1 + 4'L_2 + 3'L_3 + 3'L_4 + 2'L_5 + 2'L_6 + L_7 + L_8 + L_40 + L_41 + 2'L_42 + 2'L_43 + 3'L_44 + 3'L_45 + 4'L_46 + 4'L_47 + 5'L_48 + R_18 + R_19 + 2'R_20 + 2'R_21 + 3'R_22 + 3'R_23 + 4'R_24 + 4'R_25 + 5'R_26 + 5'R_27 + 6'R_28 + 6'R_29 + 7'R_30 + 7'R_31 + 8'R_32 + 8'R_33 + 9'R_34 + 9'R_35 + 9'R_36 + 9'R_37 + 9'R_38 + 9'R_39 + 9'R_40 + 10'R_41 + 11'R_42 + 12'R_43 + 13'R_44 + 14'R_45 + 15'R_46 + 16'R_47 + 17'R_48 + 18'R_49 = 221
invariant :P_3_24 + P_4_23 + P_5_22 + P_6_21 + P_7_20 + P_8_19 + P_9_18 + P_10_17 + P_11_16 + P_12_15 + P_13_14 + P_14_13 + P_15_12 + P_16_11 + P_17_10 + P_18_9 + P_19_8 + P_20_7 + P_21_6 + P_22_5 + P_23_4 + P_24_3 + R_28 = 1
invariant :P_0_1 + -1'P_3_2 + -1'P_3_3 + -1'P_3_4 + -1'P_3_5 + -1'P_3_6 + -1'P_3_7 + -1'P_3_8 + -1'P_3_9 + -1'P_3_10 + -1'P_3_11 + -1'P_3_12 + -1'P_3_13 + -1'P_3_14 + -1'P_3_15 + -1'P_3_16 + -1'P_3_17 + -1'P_3_18 + -1'P_3_19 + -1'P_3_20 + -1'P_3_21 + -1'P_3_22 + -1'P_3_23 + -1'P_4_2 + -2'P_4_3 + -2'P_4_4 + -2'P_4_5 + -2'P_4_6 + -2'P_4_7 + -2'P_4_8 + -2'P_4_9 + -2'P_4_10 + -2'P_4_11 + -2'P_4_12 + -2'P_4_13 + -2'P_4_14 + -2'P_4_15 + -2'P_4_16 + -2'P_4_17 + -2'P_4_18 + -2'P_4_19 + -2'P_4_20 + -2'P_4_21 + -2'P_4_22 + -1'P_4_23 + -1'P_5_2 + -2'P_5_3 + -3'P_5_4 + -3'P_5_5 + -3'P_5_6 + -3'P_5_7 + -3'P_5_8 + -3'P_5_9 + -3'P_5_10 + -3'P_5_11 + -3'P_5_12 + -3'P_5_13 + -3'P_5_14 + -3'P_5_15 + -3'P_5_16 + -3'P_5_17 + -3'P_5_18 + -3'P_5_19 + -3'P_5_20 + -3'P_5_21 + -2'P_5_22 + -1'P_5_23 + -1'P_6_2 + -2'P_6_3 + -3'P_6_4 + -4'P_6_5 + -4'P_6_6 + -4'P_6_7 + -4'P_6_8 + -4'P_6_9 + -4'P_6_10 + -4'P_6_11 + -4'P_6_12 + -4'P_6_13 + -4'P_6_14 + -4'P_6_15 + -4'P_6_16 + -4'P_6_17 + -4'P_6_18 + -4'P_6_19 + -4'P_6_20 + -3'P_6_21 + -2'P_6_22 + -1'P_6_23 + -1'P_7_2 + -2'P_7_3 + -3'P_7_4 + -4'P_7_5 + -5'P_7_6 + -5'P_7_7 + -5'P_7_8 + -5'P_7_9 + -5'P_7_10 + -5'P_7_11 + -5'P_7_12 + -5'P_7_13 + -5'P_7_14 + -5'P_7_15 + -5'P_7_16 + -5'P_7_17 + -5'P_7_18 + -5'P_7_19 + -4'P_7_20 + -3'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_2 + -2'P_8_3 + -3'P_8_4 + -4'P_8_5 + -5'P_8_6 + -6'P_8_7 + -6'P_8_8 + -6'P_8_9 + -6'P_8_10 + -6'P_8_11 + -6'P_8_12 + -6'P_8_13 + -6'P_8_14 + -6'P_8_15 + -6'P_8_16 + -6'P_8_17 + -6'P_8_18 + -5'P_8_19 + -4'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_2 + -2'P_9_3 + -3'P_9_4 + -4'P_9_5 + -5'P_9_6 + -6'P_9_7 + -7'P_9_8 + -7'P_9_9 + -7'P_9_10 + -7'P_9_11 + -7'P_9_12 + -7'P_9_13 + -7'P_9_14 + -7'P_9_15 + -7'P_9_16 + -7'P_9_17 + -6'P_9_18 + -5'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_2 + -2'P_10_3 + -3'P_10_4 + -4'P_10_5 + -5'P_10_6 + -6'P_10_7 + -7'P_10_8 + -8'P_10_9 + -8'P_10_10 + -8'P_10_11 + -8'P_10_12 + -8'P_10_13 + -8'P_10_14 + -8'P_10_15 + -8'P_10_16 + -7'P_10_17 + -6'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_2 + -2'P_11_3 + -3'P_11_4 + -4'P_11_5 + -5'P_11_6 + -6'P_11_7 + -7'P_11_8 + -8'P_11_9 + -9'P_11_10 + -9'P_11_11 + -9'P_11_12 + -9'P_11_13 + -9'P_11_14 + -9'P_11_15 + -8'P_11_16 + -7'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_2 + -2'P_12_3 + -3'P_12_4 + -4'P_12_5 + -5'P_12_6 + -6'P_12_7 + -7'P_12_8 + -8'P_12_9 + -9'P_12_10 + -10'P_12_11 + -10'P_12_12 + -10'P_12_13 + -10'P_12_14 + -9'P_12_15 + -8'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_2 + -2'P_13_3 + -3'P_13_4 + -4'P_13_5 + -5'P_13_6 + -6'P_13_7 + -7'P_13_8 + -8'P_13_9 + -9'P_13_10 + -10'P_13_11 + -11'P_13_12 + -11'P_13_13 + -10'P_13_14 + -9'P_13_15 + -8'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_2 + -2'P_14_3 + -3'P_14_4 + -4'P_14_5 + -5'P_14_6 + -6'P_14_7 + -7'P_14_8 + -8'P_14_9 + -9'P_14_10 + -10'P_14_11 + -11'P_14_12 + -11'P_14_13 + -10'P_14_14 + -9'P_14_15 + -8'P_14_16 + -7'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_2 + -2'P_15_3 + -3'P_15_4 + -4'P_15_5 + -5'P_15_6 + -6'P_15_7 + -7'P_15_8 + -8'P_15_9 + -9'P_15_10 + -10'P_15_11 + -10'P_15_12 + -10'P_15_13 + -10'P_15_14 + -9'P_15_15 + -8'P_15_16 + -7'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_2 + -2'P_16_3 + -3'P_16_4 + -4'P_16_5 + -5'P_16_6 + -6'P_16_7 + -7'P_16_8 + -8'P_16_9 + -9'P_16_10 + -9'P_16_11 + -9'P_16_12 + -9'P_16_13 + -9'P_16_14 + -9'P_16_15 + -8'P_16_16 + -7'P_16_17 + -6'P_16_18 + -5'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_2 + -2'P_17_3 + -3'P_17_4 + -4'P_17_5 + -5'P_17_6 + -6'P_17_7 + -7'P_17_8 + -8'P_17_9 + -8'P_17_10 + -8'P_17_11 + -8'P_17_12 + -8'P_17_13 + -8'P_17_14 + -8'P_17_15 + -8'P_17_16 + -7'P_17_17 + -6'P_17_18 + -5'P_17_19 + -4'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_2 + -2'P_18_3 + -3'P_18_4 + -4'P_18_5 + -5'P_18_6 + -6'P_18_7 + -7'P_18_8 + -7'P_18_9 + -7'P_18_10 + -7'P_18_11 + -7'P_18_12 + -7'P_18_13 + -7'P_18_14 + -7'P_18_15 + -7'P_18_16 + -7'P_18_17 + -6'P_18_18 + -5'P_18_19 + -4'P_18_20 + -3'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_2 + -2'P_19_3 + -3'P_19_4 + -4'P_19_5 + -5'P_19_6 + -6'P_19_7 + -6'P_19_8 + -6'P_19_9 + -6'P_19_10 + -6'P_19_11 + -6'P_19_12 + -6'P_19_13 + -6'P_19_14 + -6'P_19_15 + -6'P_19_16 + -6'P_19_17 + -6'P_19_18 + -5'P_19_19 + -4'P_19_20 + -3'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_2 + -2'P_20_3 + -3'P_20_4 + -4'P_20_5 + -5'P_20_6 + -5'P_20_7 + -5'P_20_8 + -5'P_20_9 + -5'P_20_10 + -5'P_20_11 + -5'P_20_12 + -5'P_20_13 + -5'P_20_14 + -5'P_20_15 + -5'P_20_16 + -5'P_20_17 + -5'P_20_18 + -5'P_20_19 + -4'P_20_20 + -3'P_20_21 + -2'P_20_22 + -1'P_20_23 + -1'P_21_2 + -2'P_21_3 + -3'P_21_4 + -4'P_21_5 + -4'P_21_6 + -4'P_21_7 + -4'P_21_8 + -4'P_21_9 + -4'P_21_10 + -4'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -4'P_21_15 + -4'P_21_16 + -4'P_21_17 + -4'P_21_18 + -4'P_21_19 + -4'P_21_20 + -3'P_21_21 + -2'P_21_22 + -1'P_21_23 + -1'P_22_2 + -2'P_22_3 + -3'P_22_4 + -3'P_22_5 + -3'P_22_6 + -3'P_22_7 + -3'P_22_8 + -3'P_22_9 + -3'P_22_10 + -3'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -3'P_22_15 + -3'P_22_16 + -3'P_22_17 + -3'P_22_18 + -3'P_22_19 + -3'P_22_20 + -3'P_22_21 + -2'P_22_22 + -1'P_22_23 + -1'P_23_2 + -2'P_23_3 + -2'P_23_4 + -2'P_23_5 + -2'P_23_6 + -2'P_23_7 + -2'P_23_8 + -2'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -2'P_23_16 + -2'P_23_17 + -2'P_23_18 + -2'P_23_19 + -2'P_23_20 + -2'P_23_21 + -2'P_23_22 + -1'P_23_23 + -1'P_24_2 + -1'P_24_3 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + -1'P_24_22 + -1'P_24_23 + -1'cX_3 + -2'cX_4 + -3'cX_5 + -4'cX_6 + -5'cX_7 + -6'cX_8 + -7'cX_9 + -8'cX_10 + -9'cX_11 + -10'cX_12 + -11'cX_13 + -12'cX_14 + -13'cX_15 + -14'cX_16 + -15'cX_17 + -16'cX_18 + -17'cX_19 + -18'cX_20 + -19'cX_21 + -20'cX_22 + -21'cX_23 + -22'cX_24 + -1'cY_2 + -2'cY_3 + -3'cY_4 + -4'cY_5 + -5'cY_6 + -6'cY_7 + -7'cY_8 + -8'cY_9 + -9'cY_10 + -10'cY_11 + -11'cY_12 + -12'cY_13 + -13'cY_14 + -14'cY_15 + -15'cY_16 + -16'cY_17 + -17'cY_18 + -18'cY_19 + -19'cY_20 + -20'cY_21 + -21'cY_22 + -22'cY_23 + -23'cY_24 + 12'L_0 + 11'L_1 + 11'L_2 + 10'L_3 + 10'L_4 + 9'L_5 + 9'L_6 + 8'L_7 + 8'L_8 + 7'L_9 + 7'L_10 + 6'L_11 + 6'L_12 + 5'L_13 + 5'L_14 + 4'L_15 + 4'L_16 + 3'L_17 + 3'L_18 + 2'L_19 + 2'L_20 + L_21 + L_22 + -1'L_25 + L_28 + L_29 + 2'L_30 + 2'L_31 + 3'L_32 + 3'L_33 + 4'L_34 + 4'L_35 + 5'L_36 + 5'L_37 + 6'L_38 + 6'L_39 + 7'L_40 + 7'L_41 + 8'L_42 + 8'L_43 + 9'L_44 + 9'L_45 + 10'L_46 + 10'L_47 + 11'L_48 + R_2 + R_4 + R_5 + 2'R_6 + 2'R_7 + 3'R_8 + 3'R_9 + 4'R_10 + 4'R_11 + 5'R_12 + 5'R_13 + 6'R_14 + 6'R_15 + 7'R_16 + 7'R_17 + 8'R_18 + 8'R_19 + 9'R_20 + 9'R_21 + 10'R_22 + 10'R_23 + 11'R_24 + 11'R_25 + 12'R_26 + 12'R_27 + 14'R_28 + 15'R_29 + 17'R_30 + 18'R_31 + 20'R_32 + 21'R_33 + 23'R_34 + 24'R_35 + 26'R_36 + 27'R_37 + 29'R_38 + 30'R_39 + 32'R_40 + 33'R_41 + 35'R_42 + 36'R_43 + 38'R_44 + 39'R_45 + 41'R_46 + 42'R_47 + 44'R_48 + 45'R_49 = 541
invariant :P_7_24 + P_8_23 + P_9_22 + P_10_21 + P_11_20 + P_12_19 + P_13_18 + P_14_17 + P_15_16 + P_16_15 + P_17_14 + P_18_13 + P_19_12 + P_20_11 + P_21_10 + P_22_9 + P_23_8 + P_24_7 + R_32 = 1
invariant :P_12_1 + P_12_2 + P_12_3 + P_12_4 + P_12_5 + P_12_6 + P_12_7 + P_12_8 + P_12_9 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_12_15 + P_12_16 + P_12_17 + P_12_18 + P_12_19 + P_12_20 + P_12_21 + P_12_22 + P_12_23 + P_13_2 + P_13_3 + P_13_4 + P_13_5 + P_13_6 + P_13_7 + P_13_8 + P_13_9 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_13_17 + P_13_18 + P_13_19 + P_13_20 + P_13_21 + P_13_22 + P_14_3 + P_14_4 + P_14_5 + P_14_6 + P_14_7 + P_14_8 + P_14_9 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_14_17 + P_14_18 + P_14_19 + P_14_20 + P_14_21 + P_15_4 + P_15_5 + P_15_6 + P_15_7 + P_15_8 + P_15_9 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_15_17 + P_15_18 + P_15_19 + P_15_20 + P_16_5 + P_16_6 + P_16_7 + P_16_8 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_16_17 + P_16_18 + P_16_19 + P_17_6 + P_17_7 + P_17_8 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_17_17 + P_17_18 + P_18_7 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_18_17 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_22_11 + P_22_12 + P_22_13 + P_23_12 + -1'P_24_12 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -13
invariant :P_2_20 + P_3_19 + P_3_20 + P_3_21 + P_4_18 + P_4_19 + 2'P_4_20 + P_4_21 + P_4_22 + P_5_17 + P_5_18 + 2'P_5_19 + 2'P_5_20 + 2'P_5_21 + P_5_22 + P_5_23 + P_6_16 + P_6_17 + 2'P_6_18 + 2'P_6_19 + 3'P_6_20 + 2'P_6_21 + 2'P_6_22 + P_6_23 + P_7_15 + P_7_16 + 2'P_7_17 + 2'P_7_18 + 3'P_7_19 + 3'P_7_20 + 3'P_7_21 + 2'P_7_22 + P_7_23 + P_8_14 + P_8_15 + 2'P_8_16 + 2'P_8_17 + 3'P_8_18 + 3'P_8_19 + 4'P_8_20 + 3'P_8_21 + 2'P_8_22 + P_8_23 + P_9_13 + P_9_14 + 2'P_9_15 + 2'P_9_16 + 3'P_9_17 + 3'P_9_18 + 4'P_9_19 + 4'P_9_20 + 3'P_9_21 + 2'P_9_22 + P_9_23 + P_10_12 + P_10_13 + 2'P_10_14 + 2'P_10_15 + 3'P_10_16 + 3'P_10_17 + 4'P_10_18 + 4'P_10_19 + 4'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_11 + P_11_12 + 2'P_11_13 + 2'P_11_14 + 3'P_11_15 + 3'P_11_16 + 4'P_11_17 + 4'P_11_18 + 4'P_11_19 + 4'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_10 + P_12_11 + 2'P_12_12 + 2'P_12_13 + 3'P_12_14 + 3'P_12_15 + 4'P_12_16 + 4'P_12_17 + 4'P_12_18 + 4'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_9 + P_13_10 + 2'P_13_11 + 2'P_13_12 + 3'P_13_13 + 3'P_13_14 + 4'P_13_15 + 4'P_13_16 + 4'P_13_17 + 4'P_13_18 + 4'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_8 + P_14_9 + 2'P_14_10 + 2'P_14_11 + 3'P_14_12 + 3'P_14_13 + 4'P_14_14 + 4'P_14_15 + 4'P_14_16 + 4'P_14_17 + 4'P_14_18 + 4'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_7 + P_15_8 + 2'P_15_9 + 2'P_15_10 + 3'P_15_11 + 3'P_15_12 + 4'P_15_13 + 4'P_15_14 + 4'P_15_15 + 4'P_15_16 + 4'P_15_17 + 4'P_15_18 + 4'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_6 + P_16_7 + 2'P_16_8 + 2'P_16_9 + 3'P_16_10 + 3'P_16_11 + 4'P_16_12 + 4'P_16_13 + 4'P_16_14 + 4'P_16_15 + 4'P_16_16 + 4'P_16_17 + 4'P_16_18 + 4'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_5 + P_17_6 + 2'P_17_7 + 2'P_17_8 + 3'P_17_9 + 3'P_17_10 + 4'P_17_11 + 4'P_17_12 + 4'P_17_13 + 4'P_17_14 + 4'P_17_15 + 4'P_17_16 + 4'P_17_17 + 4'P_17_18 + 4'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_4 + P_18_5 + 2'P_18_6 + 2'P_18_7 + 3'P_18_8 + 3'P_18_9 + 4'P_18_10 + 4'P_18_11 + 4'P_18_12 + 4'P_18_13 + 4'P_18_14 + 4'P_18_15 + 4'P_18_16 + 4'P_18_17 + 4'P_18_18 + 4'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_3 + P_19_4 + 2'P_19_5 + 2'P_19_6 + 3'P_19_7 + 3'P_19_8 + 4'P_19_9 + 4'P_19_10 + 4'P_19_11 + 4'P_19_12 + 4'P_19_13 + 4'P_19_14 + 4'P_19_15 + 4'P_19_16 + 4'P_19_17 + 4'P_19_18 + 4'P_19_19 + 4'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_2 + P_20_3 + 2'P_20_4 + 2'P_20_5 + 3'P_20_6 + 3'P_20_7 + 4'P_20_8 + 4'P_20_9 + 4'P_20_10 + 4'P_20_11 + 4'P_20_12 + 4'P_20_13 + 4'P_20_14 + 4'P_20_15 + 4'P_20_16 + 4'P_20_17 + 4'P_20_18 + 4'P_20_19 + 4'P_20_20 + 3'P_20_21 + 2'P_20_22 + P_20_23 + P_21_3 + P_21_4 + 2'P_21_5 + 2'P_21_6 + 3'P_21_7 + 3'P_21_8 + 3'P_21_9 + 3'P_21_10 + 3'P_21_11 + 3'P_21_12 + 3'P_21_13 + 3'P_21_14 + 3'P_21_15 + 3'P_21_16 + 3'P_21_17 + 3'P_21_18 + 3'P_21_19 + 3'P_21_20 + 2'P_21_21 + P_21_22 + P_22_4 + P_22_5 + 2'P_22_6 + 2'P_22_7 + 2'P_22_8 + 2'P_22_9 + 2'P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + 2'P_22_16 + 2'P_22_17 + 2'P_22_18 + 2'P_22_19 + 2'P_22_20 + P_22_21 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + -1'cX_21 + -2'cX_22 + -3'cX_23 + -4'cX_24 + -1'cY_21 + -2'cY_22 + -3'cY_23 + -4'cY_24 + 2'L_0 + 2'L_1 + L_2 + L_3 + L_45 + L_46 + 2'L_47 + 2'L_48 + R_23 + R_24 + 2'R_25 + 2'R_26 + 3'R_27 + 3'R_28 + 4'R_29 + 4'R_30 + 4'R_31 + 4'R_32 + 4'R_33 + 4'R_34 + 4'R_35 + 4'R_36 + 4'R_37 + 4'R_38 + 4'R_39 + 4'R_40 + 4'R_41 + 4'R_42 + 4'R_43 + 4'R_44 + 4'R_45 + 5'R_46 + 6'R_47 + 7'R_48 + 8'R_49 = 98
invariant :P_8_1 + P_8_2 + P_8_3 + P_8_4 + P_8_5 + P_8_6 + P_8_7 + P_8_8 + P_8_9 + P_8_10 + P_8_11 + P_8_12 + P_8_13 + P_8_14 + P_8_15 + P_8_16 + P_8_17 + P_8_18 + P_8_19 + P_8_20 + P_8_21 + P_8_22 + P_8_23 + P_9_2 + P_9_3 + P_9_4 + P_9_5 + P_9_6 + P_9_7 + P_9_8 + P_9_9 + P_9_10 + P_9_11 + P_9_12 + P_9_13 + P_9_14 + P_9_15 + P_9_16 + P_9_17 + P_9_18 + P_9_19 + P_9_20 + P_9_21 + P_9_22 + P_10_3 + P_10_4 + P_10_5 + P_10_6 + P_10_7 + P_10_8 + P_10_9 + P_10_10 + P_10_11 + P_10_12 + P_10_13 + P_10_14 + P_10_15 + P_10_16 + P_10_17 + P_10_18 + P_10_19 + P_10_20 + P_10_21 + P_11_4 + P_11_5 + P_11_6 + P_11_7 + P_11_8 + P_11_9 + P_11_10 + P_11_11 + P_11_12 + P_11_13 + P_11_14 + P_11_15 + P_11_16 + P_11_17 + P_11_18 + P_11_19 + P_11_20 + P_12_5 + P_12_6 + P_12_7 + P_12_8 + P_12_9 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_12_15 + P_12_16 + P_12_17 + P_12_18 + P_12_19 + P_13_6 + P_13_7 + P_13_8 + P_13_9 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_13_17 + P_13_18 + P_14_7 + P_14_8 + P_14_9 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_14_17 + P_15_8 + P_15_9 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_18_11 + P_18_12 + P_18_13 + P_19_12 + -1'P_20_12 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + cX_8 + cX_9 + cX_10 + cX_11 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_32 + -1'L_33 + -1'L_34 + -1'L_35 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_33 + -1'R_34 + -1'R_35 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -17
invariant :P_20_24 + P_21_23 + P_22_22 + P_23_21 + P_24_20 + R_45 = 1
invariant :cY_1 + 2'cY_2 + 3'cY_3 + 4'cY_4 + 5'cY_5 + 6'cY_6 + 7'cY_7 + 8'cY_8 + 9'cY_9 + 10'cY_10 + 11'cY_11 + 12'cY_12 + 13'cY_13 + 14'cY_14 + 15'cY_15 + 16'cY_16 + 17'cY_17 + 18'cY_18 + 19'cY_19 + 20'cY_20 + 21'cY_21 + 22'cY_22 + 23'cY_23 + 24'cY_24 + -12'L_0 + -11'L_1 + -11'L_2 + -10'L_3 + -10'L_4 + -9'L_5 + -9'L_6 + -8'L_7 + -8'L_8 + -7'L_9 + -7'L_10 + -6'L_11 + -6'L_12 + -5'L_13 + -5'L_14 + -4'L_15 + -4'L_16 + -3'L_17 + -3'L_18 + -2'L_19 + -2'L_20 + -1'L_21 + -1'L_22 + L_25 + L_26 + 2'L_27 + 2'L_28 + 3'L_29 + 3'L_30 + 4'L_31 + 4'L_32 + 5'L_33 + 5'L_34 + 6'L_35 + 6'L_36 + 7'L_37 + 7'L_38 + 8'L_39 + 8'L_40 + 9'L_41 + 9'L_42 + 10'L_43 + 10'L_44 + 11'L_45 + 11'L_46 + 12'L_47 + 12'L_48 + -1'R_2 + -1'R_3 + -2'R_4 + -2'R_5 + -3'R_6 + -3'R_7 + -4'R_8 + -4'R_9 + -5'R_10 + -5'R_11 + -6'R_12 + -6'R_13 + -7'R_14 + -7'R_15 + -8'R_16 + -8'R_17 + -9'R_18 + -9'R_19 + -10'R_20 + -10'R_21 + -11'R_22 + -11'R_23 + -12'R_24 + -12'R_25 + -13'R_26 + -13'R_27 + -14'R_28 + -14'R_29 + -15'R_30 + -15'R_31 + -16'R_32 + -16'R_33 + -17'R_34 + -17'R_35 + -18'R_36 + -18'R_37 + -19'R_38 + -19'R_39 + -20'R_40 + -20'R_41 + -21'R_42 + -21'R_43 + -22'R_44 + -22'R_45 + -23'R_46 + -23'R_47 + -24'R_48 + -24'R_49 = -288
invariant :P_4_0 + -1'P_5_2 + -1'P_5_3 + -1'P_5_4 + -1'P_5_5 + -1'P_5_6 + -1'P_5_7 + -1'P_5_8 + -1'P_5_9 + -1'P_5_10 + -1'P_5_11 + -1'P_5_12 + -1'P_5_13 + -1'P_5_14 + -1'P_5_15 + -1'P_5_16 + -1'P_5_17 + -1'P_5_18 + -1'P_5_19 + -1'P_5_20 + -1'P_5_21 + -1'P_5_22 + -1'P_5_23 + -1'P_6_3 + -1'P_6_4 + -1'P_6_5 + -1'P_6_6 + -1'P_6_7 + -1'P_6_8 + -1'P_6_9 + -1'P_6_10 + -1'P_6_11 + -1'P_6_12 + -1'P_6_13 + -1'P_6_14 + -1'P_6_15 + -1'P_6_16 + -1'P_6_17 + -1'P_6_18 + -1'P_6_19 + -1'P_6_20 + -1'P_6_21 + -1'P_6_22 + -1'P_7_4 + -1'P_7_5 + -1'P_7_6 + -1'P_7_7 + -1'P_7_8 + -1'P_7_9 + -1'P_7_10 + -1'P_7_11 + -1'P_7_12 + -1'P_7_13 + -1'P_7_14 + -1'P_7_15 + -1'P_7_16 + -1'P_7_17 + -1'P_7_18 + -1'P_7_19 + -1'P_7_20 + -1'P_7_21 + -1'P_8_5 + -1'P_8_6 + -1'P_8_7 + -1'P_8_8 + -1'P_8_9 + -1'P_8_10 + -1'P_8_11 + -1'P_8_12 + -1'P_8_13 + -1'P_8_14 + -1'P_8_15 + -1'P_8_16 + -1'P_8_17 + -1'P_8_18 + -1'P_8_19 + -1'P_8_20 + -1'P_9_6 + -1'P_9_7 + -1'P_9_8 + -1'P_9_9 + -1'P_9_10 + -1'P_9_11 + -1'P_9_12 + -1'P_9_13 + -1'P_9_14 + -1'P_9_15 + -1'P_9_16 + -1'P_9_17 + -1'P_9_18 + -1'P_9_19 + -1'P_10_7 + -1'P_10_8 + -1'P_10_9 + -1'P_10_10 + -1'P_10_11 + -1'P_10_12 + -1'P_10_13 + -1'P_10_14 + -1'P_10_15 + -1'P_10_16 + -1'P_10_17 + -1'P_10_18 + -1'P_11_8 + -1'P_11_9 + -1'P_11_10 + -1'P_11_11 + -1'P_11_12 + -1'P_11_13 + -1'P_11_14 + -1'P_11_15 + -1'P_11_16 + -1'P_11_17 + -1'P_12_9 + -1'P_12_10 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_12_15 + -1'P_12_16 + -1'P_13_10 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_15_12 + -1'P_15_13 + P_17_12 + P_17_13 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + -1'cX_5 + -1'cX_6 + -1'cX_7 + -1'cX_8 + -1'cX_9 + -1'cX_10 + -1'cX_11 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_28 + L_29 + L_30 + L_31 + L_32 + L_33 + L_34 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_30 + R_31 + R_32 + R_33 + R_34 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 21
invariant :P_1_10 + -1'P_3_9 + -1'P_3_10 + -1'P_3_11 + -1'P_4_8 + -2'P_4_9 + -2'P_4_10 + -2'P_4_11 + -1'P_4_12 + -1'P_5_7 + -2'P_5_8 + -3'P_5_9 + -3'P_5_10 + -3'P_5_11 + -2'P_5_12 + -1'P_5_13 + -1'P_6_6 + -2'P_6_7 + -3'P_6_8 + -4'P_6_9 + -4'P_6_10 + -4'P_6_11 + -3'P_6_12 + -2'P_6_13 + -1'P_6_14 + -1'P_7_5 + -2'P_7_6 + -3'P_7_7 + -4'P_7_8 + -5'P_7_9 + -5'P_7_10 + -5'P_7_11 + -4'P_7_12 + -3'P_7_13 + -2'P_7_14 + -1'P_7_15 + -1'P_8_4 + -2'P_8_5 + -3'P_8_6 + -4'P_8_7 + -5'P_8_8 + -6'P_8_9 + -6'P_8_10 + -6'P_8_11 + -5'P_8_12 + -4'P_8_13 + -3'P_8_14 + -2'P_8_15 + -1'P_8_16 + -1'P_9_3 + -2'P_9_4 + -3'P_9_5 + -4'P_9_6 + -5'P_9_7 + -6'P_9_8 + -7'P_9_9 + -7'P_9_10 + -7'P_9_11 + -6'P_9_12 + -5'P_9_13 + -4'P_9_14 + -3'P_9_15 + -2'P_9_16 + -1'P_9_17 + -1'P_10_2 + -2'P_10_3 + -3'P_10_4 + -4'P_10_5 + -5'P_10_6 + -6'P_10_7 + -7'P_10_8 + -8'P_10_9 + -8'P_10_10 + -8'P_10_11 + -7'P_10_12 + -6'P_10_13 + -5'P_10_14 + -4'P_10_15 + -3'P_10_16 + -2'P_10_17 + -1'P_10_18 + -1'P_11_2 + -2'P_11_3 + -3'P_11_4 + -4'P_11_5 + -5'P_11_6 + -6'P_11_7 + -7'P_11_8 + -8'P_11_9 + -8'P_11_10 + -8'P_11_11 + -7'P_11_12 + -6'P_11_13 + -5'P_11_14 + -4'P_11_15 + -3'P_11_16 + -2'P_11_17 + -1'P_11_18 + P_11_20 + P_11_21 + P_11_22 + P_11_23 + -1'P_12_3 + -2'P_12_4 + -3'P_12_5 + -4'P_12_6 + -5'P_12_7 + -6'P_12_8 + -7'P_12_9 + -7'P_12_10 + -7'P_12_11 + -6'P_12_12 + -5'P_12_13 + -4'P_12_14 + -3'P_12_15 + -2'P_12_16 + -1'P_12_17 + P_12_19 + 2'P_12_20 + 3'P_12_21 + 3'P_12_22 + 2'P_12_23 + -1'P_13_4 + -2'P_13_5 + -3'P_13_6 + -4'P_13_7 + -5'P_13_8 + -6'P_13_9 + -6'P_13_10 + -6'P_13_11 + -5'P_13_12 + -4'P_13_13 + -3'P_13_14 + -2'P_13_15 + -1'P_13_16 + P_13_18 + 2'P_13_19 + 3'P_13_20 + 4'P_13_21 + 4'P_13_22 + 2'P_13_23 + -1'P_14_5 + -2'P_14_6 + -3'P_14_7 + -4'P_14_8 + -5'P_14_9 + -5'P_14_10 + -5'P_14_11 + -4'P_14_12 + -3'P_14_13 + -2'P_14_14 + -1'P_14_15 + P_14_17 + 2'P_14_18 + 3'P_14_19 + 4'P_14_20 + 4'P_14_21 + 3'P_14_22 + 2'P_14_23 + -1'P_15_6 + -2'P_15_7 + -3'P_15_8 + -4'P_15_9 + -4'P_15_10 + -4'P_15_11 + -3'P_15_12 + -2'P_15_13 + -1'P_15_14 + P_15_16 + 2'P_15_17 + 3'P_15_18 + 4'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + -1'P_16_7 + -2'P_16_8 + -3'P_16_9 + -3'P_16_10 + -3'P_16_11 + -2'P_16_12 + -1'P_16_13 + P_16_15 + 2'P_16_16 + 3'P_16_17 + 4'P_16_18 + 4'P_16_19 + 3'P_16_20 + 2'P_16_21 + P_16_22 + -1'P_17_8 + -2'P_17_9 + -2'P_17_10 + -2'P_17_11 + -1'P_17_12 + P_17_14 + 2'P_17_15 + 3'P_17_16 + 4'P_17_17 + 4'P_17_18 + 3'P_17_19 + 2'P_17_20 + P_17_21 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + P_18_13 + 2'P_18_14 + 3'P_18_15 + 4'P_18_16 + 4'P_18_17 + 3'P_18_18 + 2'P_18_19 + P_18_20 + P_19_12 + 2'P_19_13 + 3'P_19_14 + 4'P_19_15 + 4'P_19_16 + 3'P_19_17 + 2'P_19_18 + P_19_19 + P_20_10 + P_20_11 + 2'P_20_12 + 3'P_20_13 + 4'P_20_14 + 4'P_20_15 + 3'P_20_16 + 2'P_20_17 + P_20_18 + P_21_10 + 2'P_21_11 + 3'P_21_12 + 4'P_21_13 + 4'P_21_14 + 3'P_21_15 + 2'P_21_16 + P_21_17 + P_22_10 + 2'P_22_11 + 4'P_22_12 + 4'P_22_13 + 3'P_22_14 + 2'P_22_15 + P_22_16 + P_23_10 + 2'P_23_11 + 3'P_23_12 + 3'P_23_13 + 2'P_23_14 + P_23_15 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + cX_11 + 3'cX_12 + 5'cX_13 + 7'cX_14 + 9'cX_15 + 11'cX_16 + 13'cX_17 + 15'cX_18 + 17'cX_19 + 19'cX_20 + 21'cX_21 + 23'cX_22 + 25'cX_23 + 27'cX_24 + cY_10 + 2'cY_11 + 4'cY_12 + 6'cY_13 + 8'cY_14 + 10'cY_15 + 12'cY_16 + 14'cY_17 + 16'cY_18 + 18'cY_19 + 20'cY_20 + 22'cY_21 + 24'cY_22 + 26'cY_23 + 28'cY_24 + -15'L_0 + -14'L_1 + -13'L_2 + -12'L_3 + -11'L_4 + -10'L_5 + -9'L_6 + -8'L_7 + -7'L_8 + -6'L_9 + -5'L_10 + -4'L_11 + -3'L_12 + -2'L_13 + -1'L_14 + -1'L_35 + -2'L_36 + -3'L_37 + -4'L_38 + -5'L_39 + -6'L_40 + -7'L_41 + -8'L_42 + -9'L_43 + -10'L_44 + -11'L_45 + -12'L_46 + -13'L_47 + -14'L_48 + -1'R_13 + -2'R_14 + -3'R_15 + -4'R_16 + -5'R_17 + -6'R_18 + -7'R_19 + -8'R_20 + -9'R_21 + -10'R_22 + -11'R_23 + -12'R_24 + -13'R_25 + -14'R_26 + -15'R_27 + -16'R_28 + -17'R_29 + -18'R_30 + -19'R_31 + -20'R_32 + -21'R_33 + -22'R_34 + -23'R_35 + -25'R_36 + -28'R_37 + -31'R_38 + -34'R_39 + -37'R_40 + -39'R_41 + -41'R_42 + -43'R_43 + -45'R_44 + -47'R_45 + -49'R_46 + -51'R_47 + -53'R_48 + -55'R_49 = -672
invariant :P_12_0 + -1'P_13_2 + -1'P_13_3 + -1'P_13_4 + -1'P_13_5 + -1'P_13_6 + -1'P_13_7 + -1'P_13_8 + -1'P_13_9 + -1'P_13_10 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_13_16 + -1'P_13_17 + -1'P_13_18 + -1'P_13_19 + -1'P_13_20 + -1'P_13_21 + -1'P_13_22 + -1'P_13_23 + -1'P_14_3 + -1'P_14_4 + -1'P_14_5 + -1'P_14_6 + -1'P_14_7 + -1'P_14_8 + -1'P_14_9 + -1'P_14_10 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_14_16 + -1'P_14_17 + -1'P_14_18 + -1'P_14_19 + -1'P_14_20 + -1'P_14_21 + -1'P_14_22 + -1'P_15_4 + -1'P_15_5 + -1'P_15_6 + -1'P_15_7 + -1'P_15_8 + -1'P_15_9 + -1'P_15_10 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_15_16 + -1'P_15_17 + -1'P_15_18 + -1'P_15_19 + -1'P_15_20 + -1'P_15_21 + -1'P_16_5 + -1'P_16_6 + -1'P_16_7 + -1'P_16_8 + -1'P_16_9 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_16_16 + -1'P_16_17 + -1'P_16_18 + -1'P_16_19 + -1'P_16_20 + -1'P_17_6 + -1'P_17_7 + -1'P_17_8 + -1'P_17_9 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_17_16 + -1'P_17_17 + -1'P_17_18 + -1'P_17_19 + -1'P_18_7 + -1'P_18_8 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_18_16 + -1'P_18_17 + -1'P_18_18 + -1'P_19_8 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_19_17 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_23_12 + -1'P_23_13 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 13
invariant :P_0_19 + P_3_19 + P_4_18 + P_4_19 + P_4_20 + P_5_17 + P_5_18 + 2'P_5_19 + P_5_20 + P_5_21 + P_6_16 + P_6_17 + 2'P_6_18 + 2'P_6_19 + 2'P_6_20 + P_6_21 + P_6_22 + P_7_15 + P_7_16 + 2'P_7_17 + 2'P_7_18 + 3'P_7_19 + 2'P_7_20 + 2'P_7_21 + P_7_22 + P_7_23 + P_8_14 + P_8_15 + 2'P_8_16 + 2'P_8_17 + 3'P_8_18 + 3'P_8_19 + 3'P_8_20 + 2'P_8_21 + 2'P_8_22 + P_8_23 + P_9_13 + P_9_14 + 2'P_9_15 + 2'P_9_16 + 3'P_9_17 + 3'P_9_18 + 4'P_9_19 + 3'P_9_20 + 3'P_9_21 + 2'P_9_22 + P_9_23 + P_10_12 + P_10_13 + 2'P_10_14 + 2'P_10_15 + 3'P_10_16 + 3'P_10_17 + 4'P_10_18 + 4'P_10_19 + 4'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_11 + P_11_12 + 2'P_11_13 + 2'P_11_14 + 3'P_11_15 + 3'P_11_16 + 4'P_11_17 + 4'P_11_18 + 5'P_11_19 + 4'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_10 + P_12_11 + 2'P_12_12 + 2'P_12_13 + 3'P_12_14 + 3'P_12_15 + 4'P_12_16 + 4'P_12_17 + 5'P_12_18 + 5'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_9 + P_13_10 + 2'P_13_11 + 2'P_13_12 + 3'P_13_13 + 3'P_13_14 + 4'P_13_15 + 4'P_13_16 + 5'P_13_17 + 5'P_13_18 + 5'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_8 + P_14_9 + 2'P_14_10 + 2'P_14_11 + 3'P_14_12 + 3'P_14_13 + 4'P_14_14 + 4'P_14_15 + 5'P_14_16 + 5'P_14_17 + 5'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_7 + P_15_8 + 2'P_15_9 + 2'P_15_10 + 3'P_15_11 + 3'P_15_12 + 4'P_15_13 + 4'P_15_14 + 5'P_15_15 + 5'P_15_16 + 5'P_15_17 + 5'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_6 + P_16_7 + 2'P_16_8 + 2'P_16_9 + 3'P_16_10 + 3'P_16_11 + 4'P_16_12 + 4'P_16_13 + 5'P_16_14 + 5'P_16_15 + 5'P_16_16 + 5'P_16_17 + 5'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_5 + P_17_6 + 2'P_17_7 + 2'P_17_8 + 3'P_17_9 + 3'P_17_10 + 4'P_17_11 + 4'P_17_12 + 5'P_17_13 + 5'P_17_14 + 5'P_17_15 + 5'P_17_16 + 5'P_17_17 + 5'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_4 + P_18_5 + 2'P_18_6 + 2'P_18_7 + 3'P_18_8 + 3'P_18_9 + 4'P_18_10 + 4'P_18_11 + 5'P_18_12 + 5'P_18_13 + 5'P_18_14 + 5'P_18_15 + 5'P_18_16 + 5'P_18_17 + 5'P_18_18 + 5'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_3 + P_19_4 + 2'P_19_5 + 2'P_19_6 + 3'P_19_7 + 3'P_19_8 + 4'P_19_9 + 4'P_19_10 + 5'P_19_11 + 5'P_19_12 + 5'P_19_13 + 5'P_19_14 + 5'P_19_15 + 5'P_19_16 + 5'P_19_17 + 5'P_19_18 + 5'P_19_19 + 4'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_2 + P_20_3 + 2'P_20_4 + 2'P_20_5 + 3'P_20_6 + 3'P_20_7 + 4'P_20_8 + 4'P_20_9 + 5'P_20_10 + 5'P_20_11 + 5'P_20_12 + 5'P_20_13 + 5'P_20_14 + 5'P_20_15 + 5'P_20_16 + 5'P_20_17 + 5'P_20_18 + 5'P_20_19 + 4'P_20_20 + 3'P_20_21 + 2'P_20_22 + P_20_23 + P_21_3 + P_21_4 + 2'P_21_5 + 2'P_21_6 + 3'P_21_7 + 3'P_21_8 + 4'P_21_9 + 4'P_21_10 + 4'P_21_11 + 4'P_21_12 + 4'P_21_13 + 4'P_21_14 + 4'P_21_15 + 4'P_21_16 + 4'P_21_17 + 4'P_21_18 + 4'P_21_19 + 3'P_21_20 + 2'P_21_21 + P_21_22 + P_22_4 + P_22_5 + 2'P_22_6 + 2'P_22_7 + 3'P_22_8 + 3'P_22_9 + 3'P_22_10 + 3'P_22_11 + 3'P_22_12 + 3'P_22_13 + 3'P_22_14 + 3'P_22_15 + 3'P_22_16 + 3'P_22_17 + 3'P_22_18 + 3'P_22_19 + 2'P_22_20 + P_22_21 + P_23_5 + P_23_6 + 2'P_23_7 + 2'P_23_8 + 2'P_23_9 + 2'P_23_10 + 2'P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + 2'P_23_15 + 2'P_23_16 + 2'P_23_17 + 2'P_23_18 + 2'P_23_19 + P_23_20 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + -1'cX_21 + -2'cX_22 + -3'cX_23 + -4'cX_24 + -1'cY_20 + -2'cY_21 + -3'cY_22 + -4'cY_23 + -5'cY_24 + 3'L_0 + 3'L_1 + 2'L_2 + 2'L_3 + L_4 + L_5 + L_45 + L_46 + 2'L_47 + 2'L_48 + R_23 + R_24 + 2'R_25 + 2'R_26 + 3'R_27 + 3'R_28 + 4'R_29 + 4'R_30 + 5'R_31 + 5'R_32 + 5'R_33 + 5'R_34 + 5'R_35 + 5'R_36 + 5'R_37 + 5'R_38 + 5'R_39 + 5'R_40 + 5'R_41 + 5'R_42 + 5'R_43 + 5'R_44 + 5'R_45 + 6'R_46 + 7'R_47 + 8'R_48 + 9'R_49 = 118
invariant :P_11_24 + P_12_23 + P_13_22 + P_14_21 + P_15_20 + P_16_19 + P_17_18 + P_18_17 + P_19_16 + P_20_15 + P_21_14 + P_22_13 + P_23_12 + P_24_11 + R_36 = 1
invariant :P_0_17 + P_3_17 + P_4_16 + P_4_17 + P_4_18 + P_5_15 + P_5_16 + 2'P_5_17 + P_5_18 + P_5_19 + P_6_14 + P_6_15 + 2'P_6_16 + 2'P_6_17 + 2'P_6_18 + P_6_19 + P_6_20 + P_7_13 + P_7_14 + 2'P_7_15 + 2'P_7_16 + 3'P_7_17 + 2'P_7_18 + 2'P_7_19 + P_7_20 + P_7_21 + P_8_12 + P_8_13 + 2'P_8_14 + 2'P_8_15 + 3'P_8_16 + 3'P_8_17 + 3'P_8_18 + 2'P_8_19 + 2'P_8_20 + P_8_21 + P_8_22 + P_9_11 + P_9_12 + 2'P_9_13 + 2'P_9_14 + 3'P_9_15 + 3'P_9_16 + 4'P_9_17 + 3'P_9_18 + 3'P_9_19 + 2'P_9_20 + 2'P_9_21 + P_9_22 + P_9_23 + P_10_10 + P_10_11 + 2'P_10_12 + 2'P_10_13 + 3'P_10_14 + 3'P_10_15 + 4'P_10_16 + 4'P_10_17 + 4'P_10_18 + 3'P_10_19 + 3'P_10_20 + 2'P_10_21 + 2'P_10_22 + P_10_23 + P_11_9 + P_11_10 + 2'P_11_11 + 2'P_11_12 + 3'P_11_13 + 3'P_11_14 + 4'P_11_15 + 4'P_11_16 + 5'P_11_17 + 4'P_11_18 + 4'P_11_19 + 3'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_8 + P_12_9 + 2'P_12_10 + 2'P_12_11 + 3'P_12_12 + 3'P_12_13 + 4'P_12_14 + 4'P_12_15 + 5'P_12_16 + 5'P_12_17 + 5'P_12_18 + 4'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_7 + P_13_8 + 2'P_13_9 + 2'P_13_10 + 3'P_13_11 + 3'P_13_12 + 4'P_13_13 + 4'P_13_14 + 5'P_13_15 + 5'P_13_16 + 6'P_13_17 + 5'P_13_18 + 5'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_6 + P_14_7 + 2'P_14_8 + 2'P_14_9 + 3'P_14_10 + 3'P_14_11 + 4'P_14_12 + 4'P_14_13 + 5'P_14_14 + 5'P_14_15 + 6'P_14_16 + 6'P_14_17 + 6'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_5 + P_15_6 + 2'P_15_7 + 2'P_15_8 + 3'P_15_9 + 3'P_15_10 + 4'P_15_11 + 4'P_15_12 + 5'P_15_13 + 5'P_15_14 + 6'P_15_15 + 6'P_15_16 + 7'P_15_17 + 6'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_4 + P_16_5 + 2'P_16_6 + 2'P_16_7 + 3'P_16_8 + 3'P_16_9 + 4'P_16_10 + 4'P_16_11 + 5'P_16_12 + 5'P_16_13 + 6'P_16_14 + 6'P_16_15 + 7'P_16_16 + 7'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_3 + P_17_4 + 2'P_17_5 + 2'P_17_6 + 3'P_17_7 + 3'P_17_8 + 4'P_17_9 + 4'P_17_10 + 5'P_17_11 + 5'P_17_12 + 6'P_17_13 + 6'P_17_14 + 7'P_17_15 + 7'P_17_16 + 7'P_17_17 + 6'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_2 + P_18_3 + 2'P_18_4 + 2'P_18_5 + 3'P_18_6 + 3'P_18_7 + 4'P_18_8 + 4'P_18_9 + 5'P_18_10 + 5'P_18_11 + 6'P_18_12 + 6'P_18_13 + 7'P_18_14 + 7'P_18_15 + 7'P_18_16 + 7'P_18_17 + 6'P_18_18 + 5'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_3 + P_19_4 + 2'P_19_5 + 2'P_19_6 + 3'P_19_7 + 3'P_19_8 + 4'P_19_9 + 4'P_19_10 + 5'P_19_11 + 5'P_19_12 + 6'P_19_13 + 6'P_19_14 + 6'P_19_15 + 6'P_19_16 + 6'P_19_17 + 5'P_19_18 + 4'P_19_19 + 3'P_19_20 + 2'P_19_21 + P_19_22 + P_20_4 + P_20_5 + 2'P_20_6 + 2'P_20_7 + 3'P_20_8 + 3'P_20_9 + 4'P_20_10 + 4'P_20_11 + 5'P_20_12 + 5'P_20_13 + 5'P_20_14 + 5'P_20_15 + 5'P_20_16 + 5'P_20_17 + 4'P_20_18 + 3'P_20_19 + 2'P_20_20 + P_20_21 + P_21_5 + P_21_6 + 2'P_21_7 + 2'P_21_8 + 3'P_21_9 + 3'P_21_10 + 4'P_21_11 + 4'P_21_12 + 4'P_21_13 + 4'P_21_14 + 4'P_21_15 + 4'P_21_16 + 4'P_21_17 + 3'P_21_18 + 2'P_21_19 + P_21_20 + P_22_6 + P_22_7 + 2'P_22_8 + 2'P_22_9 + 3'P_22_10 + 3'P_22_11 + 3'P_22_12 + 3'P_22_13 + 3'P_22_14 + 3'P_22_15 + 3'P_22_16 + 3'P_22_17 + 2'P_22_18 + P_22_19 + P_23_7 + P_23_8 + 2'P_23_9 + 2'P_23_10 + 2'P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + 2'P_23_15 + 2'P_23_16 + 2'P_23_17 + P_23_18 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + -1'cX_19 + -2'cX_20 + -3'cX_21 + -4'cX_22 + -5'cX_23 + -6'cX_24 + -1'cY_18 + -2'cY_19 + -3'cY_20 + -4'cY_21 + -5'cY_22 + -6'cY_23 + -7'cY_24 + 4'L_0 + 4'L_1 + 3'L_2 + 3'L_3 + 2'L_4 + 2'L_5 + L_6 + L_7 + L_43 + L_44 + 2'L_45 + 2'L_46 + 3'L_47 + 3'L_48 + R_21 + R_22 + 2'R_23 + 2'R_24 + 3'R_25 + 3'R_26 + 4'R_27 + 4'R_28 + 5'R_29 + 5'R_30 + 6'R_31 + 6'R_32 + 7'R_33 + 7'R_34 + 7'R_35 + 7'R_36 + 7'R_37 + 7'R_38 + 7'R_39 + 7'R_40 + 7'R_41 + 7'R_42 + 7'R_43 + 8'R_44 + 9'R_45 + 10'R_46 + 11'R_47 + 12'R_48 + 13'R_49 = 165
invariant :P_1_14 + -1'P_3_13 + -1'P_3_14 + -1'P_3_15 + -1'P_4_12 + -2'P_4_13 + -2'P_4_14 + -2'P_4_15 + -1'P_4_16 + -1'P_5_11 + -2'P_5_12 + -3'P_5_13 + -3'P_5_14 + -3'P_5_15 + -2'P_5_16 + -1'P_5_17 + -1'P_6_10 + -2'P_6_11 + -3'P_6_12 + -4'P_6_13 + -4'P_6_14 + -4'P_6_15 + -3'P_6_16 + -2'P_6_17 + -1'P_6_18 + -1'P_7_9 + -2'P_7_10 + -3'P_7_11 + -4'P_7_12 + -5'P_7_13 + -5'P_7_14 + -5'P_7_15 + -4'P_7_16 + -3'P_7_17 + -2'P_7_18 + -1'P_7_19 + -1'P_8_8 + -2'P_8_9 + -3'P_8_10 + -4'P_8_11 + -5'P_8_12 + -6'P_8_13 + -6'P_8_14 + -6'P_8_15 + -5'P_8_16 + -4'P_8_17 + -3'P_8_18 + -2'P_8_19 + -1'P_8_20 + -1'P_9_7 + -2'P_9_8 + -3'P_9_9 + -4'P_9_10 + -5'P_9_11 + -6'P_9_12 + -7'P_9_13 + -7'P_9_14 + -7'P_9_15 + -6'P_9_16 + -5'P_9_17 + -4'P_9_18 + -3'P_9_19 + -2'P_9_20 + -1'P_9_21 + -1'P_10_6 + -2'P_10_7 + -3'P_10_8 + -4'P_10_9 + -5'P_10_10 + -6'P_10_11 + -7'P_10_12 + -8'P_10_13 + -8'P_10_14 + -8'P_10_15 + -7'P_10_16 + -6'P_10_17 + -5'P_10_18 + -4'P_10_19 + -3'P_10_20 + -2'P_10_21 + -1'P_10_22 + -1'P_11_5 + -2'P_11_6 + -3'P_11_7 + -4'P_11_8 + -5'P_11_9 + -6'P_11_10 + -7'P_11_11 + -8'P_11_12 + -9'P_11_13 + -9'P_11_14 + -9'P_11_15 + -8'P_11_16 + -7'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_4 + -2'P_12_5 + -3'P_12_6 + -4'P_12_7 + -5'P_12_8 + -6'P_12_9 + -7'P_12_10 + -8'P_12_11 + -9'P_12_12 + -10'P_12_13 + -10'P_12_14 + -10'P_12_15 + -9'P_12_16 + -8'P_12_17 + -7'P_12_18 + -6'P_12_19 + -5'P_12_20 + -4'P_12_21 + -3'P_12_22 + -2'P_12_23 + -1'P_13_3 + -2'P_13_4 + -3'P_13_5 + -4'P_13_6 + -5'P_13_7 + -6'P_13_8 + -7'P_13_9 + -8'P_13_10 + -9'P_13_11 + -10'P_13_12 + -11'P_13_13 + -11'P_13_14 + -11'P_13_15 + -10'P_13_16 + -9'P_13_17 + -8'P_13_18 + -7'P_13_19 + -6'P_13_20 + -5'P_13_21 + -4'P_13_22 + -2'P_13_23 + -1'P_14_2 + -2'P_14_3 + -3'P_14_4 + -4'P_14_5 + -5'P_14_6 + -6'P_14_7 + -7'P_14_8 + -8'P_14_9 + -9'P_14_10 + -10'P_14_11 + -11'P_14_12 + -12'P_14_13 + -12'P_14_14 + -12'P_14_15 + -11'P_14_16 + -10'P_14_17 + -9'P_14_18 + -8'P_14_19 + -7'P_14_20 + -6'P_14_21 + -4'P_14_22 + -2'P_14_23 + -1'P_15_2 + -2'P_15_3 + -3'P_15_4 + -4'P_15_5 + -5'P_15_6 + -6'P_15_7 + -7'P_15_8 + -8'P_15_9 + -9'P_15_10 + -10'P_15_11 + -11'P_15_12 + -12'P_15_13 + -12'P_15_14 + -12'P_15_15 + -11'P_15_16 + -10'P_15_17 + -9'P_15_18 + -8'P_15_19 + -7'P_15_20 + -5'P_15_21 + -3'P_15_22 + -1'P_15_23 + -1'P_16_3 + -2'P_16_4 + -3'P_16_5 + -4'P_16_6 + -5'P_16_7 + -6'P_16_8 + -7'P_16_9 + -8'P_16_10 + -9'P_16_11 + -10'P_16_12 + -11'P_16_13 + -11'P_16_14 + -11'P_16_15 + -10'P_16_16 + -9'P_16_17 + -8'P_16_18 + -7'P_16_19 + -5'P_16_20 + -3'P_16_21 + -1'P_16_22 + -1'P_17_4 + -2'P_17_5 + -3'P_17_6 + -4'P_17_7 + -5'P_17_8 + -6'P_17_9 + -7'P_17_10 + -8'P_17_11 + -9'P_17_12 + -10'P_17_13 + -10'P_17_14 + -10'P_17_15 + -9'P_17_16 + -8'P_17_17 + -7'P_17_18 + -5'P_17_19 + -3'P_17_20 + -1'P_17_21 + -1'P_18_5 + -2'P_18_6 + -3'P_18_7 + -4'P_18_8 + -5'P_18_9 + -6'P_18_10 + -7'P_18_11 + -8'P_18_12 + -9'P_18_13 + -9'P_18_14 + -9'P_18_15 + -8'P_18_16 + -7'P_18_17 + -5'P_18_18 + -3'P_18_19 + -1'P_18_20 + -1'P_19_6 + -2'P_19_7 + -3'P_19_8 + -4'P_19_9 + -5'P_19_10 + -6'P_19_11 + -7'P_19_12 + -8'P_19_13 + -8'P_19_14 + -8'P_19_15 + -7'P_19_16 + -5'P_19_17 + -3'P_19_18 + -1'P_19_19 + -1'P_20_7 + -2'P_20_8 + -3'P_20_9 + -4'P_20_10 + -5'P_20_11 + -6'P_20_12 + -7'P_20_13 + -7'P_20_14 + -7'P_20_15 + -5'P_20_16 + -3'P_20_17 + -1'P_20_18 + -1'P_21_8 + -2'P_21_9 + -3'P_21_10 + -4'P_21_11 + -5'P_21_12 + -6'P_21_13 + -6'P_21_14 + -5'P_21_15 + -3'P_21_16 + -1'P_21_17 + -1'P_22_9 + -2'P_22_10 + -3'P_22_11 + -4'P_22_12 + -5'P_22_13 + -4'P_22_14 + -3'P_22_15 + -1'P_22_16 + -1'P_23_10 + -2'P_23_11 + -3'P_23_12 + -3'P_23_13 + -2'P_23_14 + -1'P_23_15 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + cX_15 + 3'cX_16 + 5'cX_17 + 7'cX_18 + 9'cX_19 + 11'cX_20 + 13'cX_21 + 15'cX_22 + 17'cX_23 + 19'cX_24 + cY_14 + 2'cY_15 + 4'cY_16 + 6'cY_17 + 8'cY_18 + 10'cY_19 + 12'cY_20 + 14'cY_21 + 16'cY_22 + 18'cY_23 + 20'cY_24 + -11'L_0 + -10'L_1 + -9'L_2 + -8'L_3 + -7'L_4 + -6'L_5 + -5'L_6 + -4'L_7 + -3'L_8 + -2'L_9 + -1'L_10 + -1'L_39 + -2'L_40 + -3'L_41 + -4'L_42 + -5'L_43 + -6'L_44 + -7'L_45 + -8'L_46 + -9'L_47 + -10'L_48 + -1'R_17 + -2'R_18 + -3'R_19 + -4'R_20 + -5'R_21 + -6'R_22 + -7'R_23 + -8'R_24 + -9'R_25 + -10'R_26 + -11'R_27 + -12'R_28 + -13'R_29 + -14'R_30 + -15'R_31 + -16'R_32 + -17'R_33 + -18'R_34 + -19'R_35 + -20'R_36 + -20'R_37 + -20'R_38 + -20'R_39 + -21'R_40 + -23'R_41 + -25'R_42 + -27'R_43 + -29'R_44 + -31'R_45 + -33'R_46 + -35'R_47 + -37'R_48 + -39'R_49 = -480
invariant :P_17_24 + P_18_23 + P_19_22 + P_20_21 + P_21_20 + P_22_19 + P_23_18 + P_24_17 + R_42 = 1
invariant :P_0_23 + P_3_23 + P_4_22 + P_4_23 + P_5_21 + P_5_22 + P_5_23 + P_6_20 + P_6_21 + P_6_22 + P_6_23 + P_7_19 + P_7_20 + P_7_21 + P_7_22 + P_7_23 + P_8_18 + P_8_19 + P_8_20 + P_8_21 + P_8_22 + P_8_23 + P_9_17 + P_9_18 + P_9_19 + P_9_20 + P_9_21 + P_9_22 + P_9_23 + P_10_16 + P_10_17 + P_10_18 + P_10_19 + P_10_20 + P_10_21 + P_10_22 + P_10_23 + P_11_15 + P_11_16 + P_11_17 + P_11_18 + P_11_19 + P_11_20 + P_11_21 + P_11_22 + P_11_23 + P_12_14 + P_12_15 + P_12_16 + P_12_17 + P_12_18 + P_12_19 + P_12_20 + P_12_21 + P_12_22 + P_12_23 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_13_17 + P_13_18 + P_13_19 + P_13_20 + P_13_21 + P_13_22 + P_13_23 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_14_17 + P_14_18 + P_14_19 + P_14_20 + P_14_21 + P_14_22 + P_14_23 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_15_17 + P_15_18 + P_15_19 + P_15_20 + P_15_21 + P_15_22 + P_15_23 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_16_17 + P_16_18 + P_16_19 + P_16_20 + P_16_21 + P_16_22 + P_16_23 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_17_17 + P_17_18 + P_17_19 + P_17_20 + P_17_21 + P_17_22 + P_17_23 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_18_17 + P_18_18 + P_18_19 + P_18_20 + P_18_21 + P_18_22 + P_18_23 + P_19_7 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_19_18 + P_19_19 + P_19_20 + P_19_21 + P_19_22 + P_19_23 + P_20_6 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_20_18 + P_20_19 + P_20_20 + P_20_21 + P_20_22 + P_20_23 + P_21_5 + P_21_6 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_21_19 + P_21_20 + P_21_21 + P_21_22 + P_21_23 + P_22_4 + P_22_5 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_22_19 + P_22_20 + P_22_21 + P_22_22 + P_22_23 + P_23_3 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_23_21 + P_23_22 + P_23_23 + P_24_2 + P_24_3 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + P_24_22 + P_24_23 + -1'cY_24 + L_0 + L_1 + R_27 + R_28 + R_29 + R_30 + R_31 + R_32 + R_33 + R_34 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 24
invariant :P_1_15 + -1'P_3_14 + -1'P_3_15 + -1'P_3_16 + -1'P_4_13 + -2'P_4_14 + -2'P_4_15 + -2'P_4_16 + -1'P_4_17 + -1'P_5_12 + -2'P_5_13 + -3'P_5_14 + -3'P_5_15 + -3'P_5_16 + -2'P_5_17 + -1'P_5_18 + -1'P_6_11 + -2'P_6_12 + -3'P_6_13 + -4'P_6_14 + -4'P_6_15 + -4'P_6_16 + -3'P_6_17 + -2'P_6_18 + -1'P_6_19 + -1'P_7_10 + -2'P_7_11 + -3'P_7_12 + -4'P_7_13 + -5'P_7_14 + -5'P_7_15 + -5'P_7_16 + -4'P_7_17 + -3'P_7_18 + -2'P_7_19 + -1'P_7_20 + -1'P_8_9 + -2'P_8_10 + -3'P_8_11 + -4'P_8_12 + -5'P_8_13 + -6'P_8_14 + -6'P_8_15 + -6'P_8_16 + -5'P_8_17 + -4'P_8_18 + -3'P_8_19 + -2'P_8_20 + -1'P_8_21 + -1'P_9_8 + -2'P_9_9 + -3'P_9_10 + -4'P_9_11 + -5'P_9_12 + -6'P_9_13 + -7'P_9_14 + -7'P_9_15 + -7'P_9_16 + -6'P_9_17 + -5'P_9_18 + -4'P_9_19 + -3'P_9_20 + -2'P_9_21 + -1'P_9_22 + -1'P_10_7 + -2'P_10_8 + -3'P_10_9 + -4'P_10_10 + -5'P_10_11 + -6'P_10_12 + -7'P_10_13 + -8'P_10_14 + -8'P_10_15 + -8'P_10_16 + -7'P_10_17 + -6'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_6 + -2'P_11_7 + -3'P_11_8 + -4'P_11_9 + -5'P_11_10 + -6'P_11_11 + -7'P_11_12 + -8'P_11_13 + -9'P_11_14 + -9'P_11_15 + -9'P_11_16 + -8'P_11_17 + -7'P_11_18 + -6'P_11_19 + -5'P_11_20 + -4'P_11_21 + -3'P_11_22 + -2'P_11_23 + -1'P_12_5 + -2'P_12_6 + -3'P_12_7 + -4'P_12_8 + -5'P_12_9 + -6'P_12_10 + -7'P_12_11 + -8'P_12_12 + -9'P_12_13 + -10'P_12_14 + -10'P_12_15 + -10'P_12_16 + -9'P_12_17 + -8'P_12_18 + -7'P_12_19 + -6'P_12_20 + -5'P_12_21 + -4'P_12_22 + -2'P_12_23 + -1'P_13_4 + -2'P_13_5 + -3'P_13_6 + -4'P_13_7 + -5'P_13_8 + -6'P_13_9 + -7'P_13_10 + -8'P_13_11 + -9'P_13_12 + -10'P_13_13 + -11'P_13_14 + -11'P_13_15 + -11'P_13_16 + -10'P_13_17 + -9'P_13_18 + -8'P_13_19 + -7'P_13_20 + -6'P_13_21 + -4'P_13_22 + -2'P_13_23 + -1'P_14_3 + -2'P_14_4 + -3'P_14_5 + -4'P_14_6 + -5'P_14_7 + -6'P_14_8 + -7'P_14_9 + -8'P_14_10 + -9'P_14_11 + -10'P_14_12 + -11'P_14_13 + -12'P_14_14 + -12'P_14_15 + -12'P_14_16 + -11'P_14_17 + -10'P_14_18 + -9'P_14_19 + -8'P_14_20 + -6'P_14_21 + -4'P_14_22 + -2'P_14_23 + -1'P_15_2 + -2'P_15_3 + -3'P_15_4 + -4'P_15_5 + -5'P_15_6 + -6'P_15_7 + -7'P_15_8 + -8'P_15_9 + -9'P_15_10 + -10'P_15_11 + -11'P_15_12 + -12'P_15_13 + -13'P_15_14 + -13'P_15_15 + -13'P_15_16 + -12'P_15_17 + -11'P_15_18 + -10'P_15_19 + -8'P_15_20 + -6'P_15_21 + -4'P_15_22 + -2'P_15_23 + -1'P_16_2 + -2'P_16_3 + -3'P_16_4 + -4'P_16_5 + -5'P_16_6 + -6'P_16_7 + -7'P_16_8 + -8'P_16_9 + -9'P_16_10 + -10'P_16_11 + -11'P_16_12 + -12'P_16_13 + -13'P_16_14 + -13'P_16_15 + -13'P_16_16 + -12'P_16_17 + -11'P_16_18 + -9'P_16_19 + -7'P_16_20 + -5'P_16_21 + -3'P_16_22 + -1'P_16_23 + -1'P_17_3 + -2'P_17_4 + -3'P_17_5 + -4'P_17_6 + -5'P_17_7 + -6'P_17_8 + -7'P_17_9 + -8'P_17_10 + -9'P_17_11 + -10'P_17_12 + -11'P_17_13 + -12'P_17_14 + -12'P_17_15 + -12'P_17_16 + -11'P_17_17 + -9'P_17_18 + -7'P_17_19 + -5'P_17_20 + -3'P_17_21 + -1'P_17_22 + -1'P_18_4 + -2'P_18_5 + -3'P_18_6 + -4'P_18_7 + -5'P_18_8 + -6'P_18_9 + -7'P_18_10 + -8'P_18_11 + -9'P_18_12 + -10'P_18_13 + -11'P_18_14 + -11'P_18_15 + -11'P_18_16 + -9'P_18_17 + -7'P_18_18 + -5'P_18_19 + -3'P_18_20 + -1'P_18_21 + -1'P_19_5 + -2'P_19_6 + -3'P_19_7 + -4'P_19_8 + -5'P_19_9 + -6'P_19_10 + -7'P_19_11 + -8'P_19_12 + -9'P_19_13 + -10'P_19_14 + -10'P_19_15 + -9'P_19_16 + -7'P_19_17 + -5'P_19_18 + -3'P_19_19 + -1'P_19_20 + -1'P_20_6 + -2'P_20_7 + -3'P_20_8 + -4'P_20_9 + -5'P_20_10 + -6'P_20_11 + -7'P_20_12 + -8'P_20_13 + -9'P_20_14 + -8'P_20_15 + -7'P_20_16 + -5'P_20_17 + -3'P_20_18 + -1'P_20_19 + -1'P_21_7 + -2'P_21_8 + -3'P_21_9 + -4'P_21_10 + -5'P_21_11 + -6'P_21_12 + -7'P_21_13 + -7'P_21_14 + -6'P_21_15 + -5'P_21_16 + -3'P_21_17 + -1'P_21_18 + -1'P_22_8 + -2'P_22_9 + -3'P_22_10 + -4'P_22_11 + -5'P_22_12 + -5'P_22_13 + -5'P_22_14 + -4'P_22_15 + -3'P_22_16 + -1'P_22_17 + -1'P_23_9 + -2'P_23_10 + -3'P_23_11 + -3'P_23_12 + -3'P_23_13 + -3'P_23_14 + -2'P_23_15 + -1'P_23_16 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + cX_16 + 3'cX_17 + 5'cX_18 + 7'cX_19 + 9'cX_20 + 11'cX_21 + 13'cX_22 + 15'cX_23 + 17'cX_24 + cY_15 + 2'cY_16 + 4'cY_17 + 6'cY_18 + 8'cY_19 + 10'cY_20 + 12'cY_21 + 14'cY_22 + 16'cY_23 + 18'cY_24 + -10'L_0 + -9'L_1 + -8'L_2 + -7'L_3 + -6'L_4 + -5'L_5 + -4'L_6 + -3'L_7 + -2'L_8 + -1'L_9 + -1'L_40 + -2'L_41 + -3'L_42 + -4'L_43 + -5'L_44 + -6'L_45 + -7'L_46 + -8'L_47 + -9'L_48 + -1'R_18 + -2'R_19 + -3'R_20 + -4'R_21 + -5'R_22 + -6'R_23 + -7'R_24 + -8'R_25 + -9'R_26 + -10'R_27 + -11'R_28 + -12'R_29 + -13'R_30 + -14'R_31 + -15'R_32 + -16'R_33 + -17'R_34 + -18'R_35 + -18'R_36 + -18'R_37 + -18'R_38 + -18'R_39 + -18'R_40 + -19'R_41 + -21'R_42 + -23'R_43 + -25'R_44 + -27'R_45 + -29'R_46 + -31'R_47 + -33'R_48 + -35'R_49 = -432
invariant :P_17_0 + -1'P_18_2 + -1'P_18_3 + -1'P_18_4 + -1'P_18_5 + -1'P_18_6 + -1'P_18_7 + -1'P_18_8 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_18_16 + -1'P_18_17 + -1'P_18_18 + -1'P_18_19 + -1'P_18_20 + -1'P_18_21 + -1'P_18_22 + -1'P_18_23 + -1'P_19_3 + -1'P_19_4 + -1'P_19_5 + -1'P_19_6 + -1'P_19_7 + -1'P_19_8 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_19_17 + -1'P_19_18 + -1'P_19_19 + -1'P_19_20 + -1'P_19_21 + -1'P_19_22 + -1'P_20_4 + -1'P_20_5 + -1'P_20_6 + -1'P_20_7 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_20_18 + -1'P_20_19 + -1'P_20_20 + -1'P_20_21 + -1'P_21_5 + -1'P_21_6 + -1'P_21_7 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_21_19 + -1'P_21_20 + -1'P_22_6 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_22_19 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 8
invariant :P_13_1 + P_13_2 + P_13_3 + P_13_4 + P_13_5 + P_13_6 + P_13_7 + P_13_8 + P_13_9 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_13_17 + P_13_18 + P_13_19 + P_13_20 + P_13_21 + P_13_22 + P_13_23 + P_14_2 + P_14_3 + P_14_4 + P_14_5 + P_14_6 + P_14_7 + P_14_8 + P_14_9 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_14_17 + P_14_18 + P_14_19 + P_14_20 + P_14_21 + P_14_22 + P_15_3 + P_15_4 + P_15_5 + P_15_6 + P_15_7 + P_15_8 + P_15_9 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_15_17 + P_15_18 + P_15_19 + P_15_20 + P_15_21 + P_16_4 + P_16_5 + P_16_6 + P_16_7 + P_16_8 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_16_17 + P_16_18 + P_16_19 + P_16_20 + P_17_5 + P_17_6 + P_17_7 + P_17_8 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_17_17 + P_17_18 + P_17_19 + P_18_6 + P_18_7 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_18_17 + P_18_18 + P_19_7 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_23_11 + P_23_12 + P_23_13 + P_24_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -12
invariant :P_0_9 + P_3_9 + P_4_8 + P_4_9 + P_4_10 + P_5_7 + P_5_8 + 2'P_5_9 + P_5_10 + P_5_11 + P_6_6 + P_6_7 + 2'P_6_8 + 2'P_6_9 + 2'P_6_10 + P_6_11 + P_6_12 + P_7_5 + P_7_6 + 2'P_7_7 + 2'P_7_8 + 3'P_7_9 + 2'P_7_10 + 2'P_7_11 + P_7_12 + P_7_13 + P_8_4 + P_8_5 + 2'P_8_6 + 2'P_8_7 + 3'P_8_8 + 3'P_8_9 + 3'P_8_10 + 2'P_8_11 + 2'P_8_12 + P_8_13 + P_8_14 + P_9_3 + P_9_4 + 2'P_9_5 + 2'P_9_6 + 3'P_9_7 + 3'P_9_8 + 4'P_9_9 + 3'P_9_10 + 3'P_9_11 + 2'P_9_12 + 2'P_9_13 + P_9_14 + P_9_15 + P_10_2 + P_10_3 + 2'P_10_4 + 2'P_10_5 + 3'P_10_6 + 3'P_10_7 + 4'P_10_8 + 4'P_10_9 + 4'P_10_10 + 3'P_10_11 + 3'P_10_12 + 2'P_10_13 + 2'P_10_14 + P_10_15 + P_10_16 + P_11_3 + P_11_4 + 2'P_11_5 + 2'P_11_6 + 3'P_11_7 + 3'P_11_8 + 4'P_11_9 + 3'P_11_10 + 3'P_11_11 + 2'P_11_12 + 2'P_11_13 + P_11_14 + P_11_15 + -1'P_11_18 + -1'P_11_19 + -1'P_11_20 + -1'P_11_21 + -1'P_11_22 + -1'P_11_23 + P_12_4 + P_12_5 + 2'P_12_6 + 2'P_12_7 + 3'P_12_8 + 3'P_12_9 + 3'P_12_10 + 2'P_12_11 + 2'P_12_12 + P_12_13 + P_12_14 + -1'P_12_17 + -1'P_12_18 + -2'P_12_19 + -2'P_12_20 + -2'P_12_21 + -2'P_12_22 + -1'P_12_23 + P_13_5 + P_13_6 + 2'P_13_7 + 2'P_13_8 + 3'P_13_9 + 2'P_13_10 + 2'P_13_11 + P_13_12 + P_13_13 + -1'P_13_16 + -1'P_13_17 + -2'P_13_18 + -2'P_13_19 + -3'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + P_14_6 + P_14_7 + 2'P_14_8 + 2'P_14_9 + 2'P_14_10 + P_14_11 + P_14_12 + -1'P_14_15 + -1'P_14_16 + -2'P_14_17 + -2'P_14_18 + -3'P_14_19 + -3'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + P_15_7 + P_15_8 + 2'P_15_9 + P_15_10 + P_15_11 + -1'P_15_14 + -1'P_15_15 + -2'P_15_16 + -2'P_15_17 + -3'P_15_18 + -3'P_15_19 + -3'P_15_20 + -2'P_15_21 + -2'P_15_22 + -1'P_15_23 + P_16_8 + P_16_9 + P_16_10 + -1'P_16_13 + -1'P_16_14 + -2'P_16_15 + -2'P_16_16 + -3'P_16_17 + -3'P_16_18 + -3'P_16_19 + -2'P_16_20 + -2'P_16_21 + -1'P_16_22 + -1'P_16_23 + P_17_9 + -1'P_17_12 + -1'P_17_13 + -2'P_17_14 + -2'P_17_15 + -3'P_17_16 + -3'P_17_17 + -3'P_17_18 + -2'P_17_19 + -2'P_17_20 + -1'P_17_21 + -1'P_17_22 + -1'P_18_11 + -1'P_18_12 + -2'P_18_13 + -2'P_18_14 + -3'P_18_15 + -3'P_18_16 + -3'P_18_17 + -2'P_18_18 + -2'P_18_19 + -1'P_18_20 + -1'P_18_21 + -1'P_19_10 + -1'P_19_11 + -2'P_19_12 + -2'P_19_13 + -3'P_19_14 + -3'P_19_15 + -3'P_19_16 + -2'P_19_17 + -2'P_19_18 + -1'P_19_19 + -1'P_19_20 + -1'P_20_10 + -2'P_20_11 + -2'P_20_12 + -3'P_20_13 + -3'P_20_14 + -3'P_20_15 + -2'P_20_16 + -2'P_20_17 + -1'P_20_18 + -1'P_20_19 + -1'P_21_10 + -2'P_21_11 + -3'P_21_12 + -3'P_21_13 + -3'P_21_14 + -2'P_21_15 + -2'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_22_10 + -2'P_22_11 + -3'P_22_12 + -3'P_22_13 + -2'P_22_14 + -2'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'cX_11 + -2'cX_12 + -3'cX_13 + -4'cX_14 + -5'cX_15 + -6'cX_16 + -7'cX_17 + -8'cX_18 + -9'cX_19 + -10'cX_20 + -11'cX_21 + -12'cX_22 + -13'cX_23 + -14'cX_24 + -1'cY_10 + -2'cY_11 + -3'cY_12 + -4'cY_13 + -5'cY_14 + -6'cY_15 + -7'cY_16 + -8'cY_17 + -9'cY_18 + -10'cY_19 + -11'cY_20 + -12'cY_21 + -13'cY_22 + -14'cY_23 + -15'cY_24 + 8'L_0 + 8'L_1 + 7'L_2 + 7'L_3 + 6'L_4 + 6'L_5 + 5'L_6 + 5'L_7 + 4'L_8 + 4'L_9 + 3'L_10 + 3'L_11 + 2'L_12 + 2'L_13 + L_14 + L_15 + L_35 + L_36 + 2'L_37 + 2'L_38 + 3'L_39 + 3'L_40 + 4'L_41 + 4'L_42 + 5'L_43 + 5'L_44 + 6'L_45 + 6'L_46 + 7'L_47 + 7'L_48 + R_13 + R_14 + 2'R_15 + 2'R_16 + 3'R_17 + 3'R_18 + 4'R_19 + 4'R_20 + 5'R_21 + 5'R_22 + 6'R_23 + 6'R_24 + 7'R_25 + 7'R_26 + 8'R_27 + 8'R_28 + 9'R_29 + 9'R_30 + 10'R_31 + 10'R_32 + 11'R_33 + 11'R_34 + 12'R_35 + 13'R_36 + 15'R_37 + 16'R_38 + 18'R_39 + 19'R_40 + 21'R_41 + 22'R_42 + 23'R_43 + 24'R_44 + 25'R_45 + 26'R_46 + 27'R_47 + 28'R_48 + 29'R_49 = 353
invariant :P_21_24 + P_22_23 + P_23_22 + P_24_21 + R_46 = 1
invariant :P_2_19 + P_3_18 + P_3_19 + P_3_20 + P_4_17 + P_4_18 + 2'P_4_19 + P_4_20 + P_4_21 + P_5_16 + P_5_17 + 2'P_5_18 + 2'P_5_19 + 2'P_5_20 + P_5_21 + P_5_22 + P_6_15 + P_6_16 + 2'P_6_17 + 2'P_6_18 + 3'P_6_19 + 2'P_6_20 + 2'P_6_21 + P_6_22 + P_6_23 + P_7_14 + P_7_15 + 2'P_7_16 + 2'P_7_17 + 3'P_7_18 + 3'P_7_19 + 3'P_7_20 + 2'P_7_21 + 2'P_7_22 + P_7_23 + P_8_13 + P_8_14 + 2'P_8_15 + 2'P_8_16 + 3'P_8_17 + 3'P_8_18 + 4'P_8_19 + 3'P_8_20 + 3'P_8_21 + 2'P_8_22 + P_8_23 + P_9_12 + P_9_13 + 2'P_9_14 + 2'P_9_15 + 3'P_9_16 + 3'P_9_17 + 4'P_9_18 + 4'P_9_19 + 4'P_9_20 + 3'P_9_21 + 2'P_9_22 + P_9_23 + P_10_11 + P_10_12 + 2'P_10_13 + 2'P_10_14 + 3'P_10_15 + 3'P_10_16 + 4'P_10_17 + 4'P_10_18 + 5'P_10_19 + 4'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_10 + P_11_11 + 2'P_11_12 + 2'P_11_13 + 3'P_11_14 + 3'P_11_15 + 4'P_11_16 + 4'P_11_17 + 5'P_11_18 + 5'P_11_19 + 4'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_9 + P_12_10 + 2'P_12_11 + 2'P_12_12 + 3'P_12_13 + 3'P_12_14 + 4'P_12_15 + 4'P_12_16 + 5'P_12_17 + 5'P_12_18 + 5'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_8 + P_13_9 + 2'P_13_10 + 2'P_13_11 + 3'P_13_12 + 3'P_13_13 + 4'P_13_14 + 4'P_13_15 + 5'P_13_16 + 5'P_13_17 + 5'P_13_18 + 5'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_7 + P_14_8 + 2'P_14_9 + 2'P_14_10 + 3'P_14_11 + 3'P_14_12 + 4'P_14_13 + 4'P_14_14 + 5'P_14_15 + 5'P_14_16 + 5'P_14_17 + 5'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_6 + P_15_7 + 2'P_15_8 + 2'P_15_9 + 3'P_15_10 + 3'P_15_11 + 4'P_15_12 + 4'P_15_13 + 5'P_15_14 + 5'P_15_15 + 5'P_15_16 + 5'P_15_17 + 5'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_5 + P_16_6 + 2'P_16_7 + 2'P_16_8 + 3'P_16_9 + 3'P_16_10 + 4'P_16_11 + 4'P_16_12 + 5'P_16_13 + 5'P_16_14 + 5'P_16_15 + 5'P_16_16 + 5'P_16_17 + 5'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_4 + P_17_5 + 2'P_17_6 + 2'P_17_7 + 3'P_17_8 + 3'P_17_9 + 4'P_17_10 + 4'P_17_11 + 5'P_17_12 + 5'P_17_13 + 5'P_17_14 + 5'P_17_15 + 5'P_17_16 + 5'P_17_17 + 5'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_3 + P_18_4 + 2'P_18_5 + 2'P_18_6 + 3'P_18_7 + 3'P_18_8 + 4'P_18_9 + 4'P_18_10 + 5'P_18_11 + 5'P_18_12 + 5'P_18_13 + 5'P_18_14 + 5'P_18_15 + 5'P_18_16 + 5'P_18_17 + 5'P_18_18 + 5'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_2 + P_19_3 + 2'P_19_4 + 2'P_19_5 + 3'P_19_6 + 3'P_19_7 + 4'P_19_8 + 4'P_19_9 + 5'P_19_10 + 5'P_19_11 + 5'P_19_12 + 5'P_19_13 + 5'P_19_14 + 5'P_19_15 + 5'P_19_16 + 5'P_19_17 + 5'P_19_18 + 5'P_19_19 + 4'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_3 + P_20_4 + 2'P_20_5 + 2'P_20_6 + 3'P_20_7 + 3'P_20_8 + 4'P_20_9 + 4'P_20_10 + 4'P_20_11 + 4'P_20_12 + 4'P_20_13 + 4'P_20_14 + 4'P_20_15 + 4'P_20_16 + 4'P_20_17 + 4'P_20_18 + 4'P_20_19 + 3'P_20_20 + 2'P_20_21 + P_20_22 + P_21_4 + P_21_5 + 2'P_21_6 + 2'P_21_7 + 3'P_21_8 + 3'P_21_9 + 3'P_21_10 + 3'P_21_11 + 3'P_21_12 + 3'P_21_13 + 3'P_21_14 + 3'P_21_15 + 3'P_21_16 + 3'P_21_17 + 3'P_21_18 + 3'P_21_19 + 2'P_21_20 + P_21_21 + P_22_5 + P_22_6 + 2'P_22_7 + 2'P_22_8 + 2'P_22_9 + 2'P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + 2'P_22_16 + 2'P_22_17 + 2'P_22_18 + 2'P_22_19 + P_22_20 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + -1'cX_20 + -2'cX_21 + -3'cX_22 + -4'cX_23 + -5'cX_24 + -1'cY_20 + -2'cY_21 + -3'cY_22 + -4'cY_23 + -5'cY_24 + 3'L_0 + 2'L_1 + 2'L_2 + L_3 + L_4 + L_44 + L_45 + 2'L_46 + 2'L_47 + 3'L_48 + R_22 + R_23 + 2'R_24 + 2'R_25 + 3'R_26 + 3'R_27 + 4'R_28 + 4'R_29 + 5'R_30 + 5'R_31 + 5'R_32 + 5'R_33 + 5'R_34 + 5'R_35 + 5'R_36 + 5'R_37 + 5'R_38 + 5'R_39 + 5'R_40 + 5'R_41 + 5'R_42 + 5'R_43 + 5'R_44 + 6'R_45 + 7'R_46 + 8'R_47 + 9'R_48 + 10'R_49 = 123
invariant :P_2_16 + P_3_15 + P_3_16 + P_3_17 + P_4_14 + P_4_15 + 2'P_4_16 + P_4_17 + P_4_18 + P_5_13 + P_5_14 + 2'P_5_15 + 2'P_5_16 + 2'P_5_17 + P_5_18 + P_5_19 + P_6_12 + P_6_13 + 2'P_6_14 + 2'P_6_15 + 3'P_6_16 + 2'P_6_17 + 2'P_6_18 + P_6_19 + P_6_20 + P_7_11 + P_7_12 + 2'P_7_13 + 2'P_7_14 + 3'P_7_15 + 3'P_7_16 + 3'P_7_17 + 2'P_7_18 + 2'P_7_19 + P_7_20 + P_7_21 + P_8_10 + P_8_11 + 2'P_8_12 + 2'P_8_13 + 3'P_8_14 + 3'P_8_15 + 4'P_8_16 + 3'P_8_17 + 3'P_8_18 + 2'P_8_19 + 2'P_8_20 + P_8_21 + P_8_22 + P_9_9 + P_9_10 + 2'P_9_11 + 2'P_9_12 + 3'P_9_13 + 3'P_9_14 + 4'P_9_15 + 4'P_9_16 + 4'P_9_17 + 3'P_9_18 + 3'P_9_19 + 2'P_9_20 + 2'P_9_21 + P_9_22 + P_9_23 + P_10_8 + P_10_9 + 2'P_10_10 + 2'P_10_11 + 3'P_10_12 + 3'P_10_13 + 4'P_10_14 + 4'P_10_15 + 5'P_10_16 + 4'P_10_17 + 4'P_10_18 + 3'P_10_19 + 3'P_10_20 + 2'P_10_21 + 2'P_10_22 + P_10_23 + P_11_7 + P_11_8 + 2'P_11_9 + 2'P_11_10 + 3'P_11_11 + 3'P_11_12 + 4'P_11_13 + 4'P_11_14 + 5'P_11_15 + 5'P_11_16 + 5'P_11_17 + 4'P_11_18 + 4'P_11_19 + 3'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_6 + P_12_7 + 2'P_12_8 + 2'P_12_9 + 3'P_12_10 + 3'P_12_11 + 4'P_12_12 + 4'P_12_13 + 5'P_12_14 + 5'P_12_15 + 6'P_12_16 + 5'P_12_17 + 5'P_12_18 + 4'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_5 + P_13_6 + 2'P_13_7 + 2'P_13_8 + 3'P_13_9 + 3'P_13_10 + 4'P_13_11 + 4'P_13_12 + 5'P_13_13 + 5'P_13_14 + 6'P_13_15 + 6'P_13_16 + 6'P_13_17 + 5'P_13_18 + 5'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_4 + P_14_5 + 2'P_14_6 + 2'P_14_7 + 3'P_14_8 + 3'P_14_9 + 4'P_14_10 + 4'P_14_11 + 5'P_14_12 + 5'P_14_13 + 6'P_14_14 + 6'P_14_15 + 7'P_14_16 + 6'P_14_17 + 6'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_3 + P_15_4 + 2'P_15_5 + 2'P_15_6 + 3'P_15_7 + 3'P_15_8 + 4'P_15_9 + 4'P_15_10 + 5'P_15_11 + 5'P_15_12 + 6'P_15_13 + 6'P_15_14 + 7'P_15_15 + 7'P_15_16 + 7'P_15_17 + 6'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_2 + P_16_3 + 2'P_16_4 + 2'P_16_5 + 3'P_16_6 + 3'P_16_7 + 4'P_16_8 + 4'P_16_9 + 5'P_16_10 + 5'P_16_11 + 6'P_16_12 + 6'P_16_13 + 7'P_16_14 + 7'P_16_15 + 8'P_16_16 + 7'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_3 + P_17_4 + 2'P_17_5 + 2'P_17_6 + 3'P_17_7 + 3'P_17_8 + 4'P_17_9 + 4'P_17_10 + 5'P_17_11 + 5'P_17_12 + 6'P_17_13 + 6'P_17_14 + 7'P_17_15 + 7'P_17_16 + 6'P_17_17 + 5'P_17_18 + 4'P_17_19 + 3'P_17_20 + 2'P_17_21 + P_17_22 + P_18_4 + P_18_5 + 2'P_18_6 + 2'P_18_7 + 3'P_18_8 + 3'P_18_9 + 4'P_18_10 + 4'P_18_11 + 5'P_18_12 + 5'P_18_13 + 6'P_18_14 + 6'P_18_15 + 6'P_18_16 + 5'P_18_17 + 4'P_18_18 + 3'P_18_19 + 2'P_18_20 + P_18_21 + P_19_5 + P_19_6 + 2'P_19_7 + 2'P_19_8 + 3'P_19_9 + 3'P_19_10 + 4'P_19_11 + 4'P_19_12 + 5'P_19_13 + 5'P_19_14 + 5'P_19_15 + 5'P_19_16 + 4'P_19_17 + 3'P_19_18 + 2'P_19_19 + P_19_20 + P_20_6 + P_20_7 + 2'P_20_8 + 2'P_20_9 + 3'P_20_10 + 3'P_20_11 + 4'P_20_12 + 4'P_20_13 + 4'P_20_14 + 4'P_20_15 + 4'P_20_16 + 3'P_20_17 + 2'P_20_18 + P_20_19 + P_21_7 + P_21_8 + 2'P_21_9 + 2'P_21_10 + 3'P_21_11 + 3'P_21_12 + 3'P_21_13 + 3'P_21_14 + 3'P_21_15 + 3'P_21_16 + 2'P_21_17 + P_21_18 + P_22_8 + P_22_9 + 2'P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + 2'P_22_16 + P_22_17 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + -1'cX_17 + -2'cX_18 + -3'cX_19 + -4'cX_20 + -5'cX_21 + -6'cX_22 + -7'cX_23 + -8'cX_24 + -1'cY_17 + -2'cY_18 + -3'cY_19 + -4'cY_20 + -5'cY_21 + -6'cY_22 + -7'cY_23 + -8'cY_24 + 4'L_0 + 4'L_1 + 3'L_2 + 3'L_3 + 2'L_4 + 2'L_5 + L_6 + L_7 + L_41 + L_42 + 2'L_43 + 2'L_44 + 3'L_45 + 3'L_46 + 4'L_47 + 4'L_48 + R_19 + R_20 + 2'R_21 + 2'R_22 + 3'R_23 + 3'R_24 + 4'R_25 + 4'R_26 + 5'R_27 + 5'R_28 + 6'R_29 + 6'R_30 + 7'R_31 + 7'R_32 + 8'R_33 + 8'R_34 + 8'R_35 + 8'R_36 + 8'R_37 + 8'R_38 + 8'R_39 + 8'R_40 + 8'R_41 + 9'R_42 + 10'R_43 + 11'R_44 + 12'R_45 + 13'R_46 + 14'R_47 + 15'R_48 + 16'R_49 = 196
invariant :P_21_0 + -1'P_22_2 + -1'P_22_3 + -1'P_22_4 + -1'P_22_5 + -1'P_22_6 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_22_19 + -1'P_22_20 + -1'P_22_21 + -1'P_22_22 + -1'P_22_23 + -1'P_23_3 + -1'P_23_4 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'P_23_21 + -1'P_23_22 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_45 + L_46 + L_47 + L_48 + R_47 + R_48 + R_49 = 4
invariant :P_16_24 + P_17_23 + P_18_22 + P_19_21 + P_20_20 + P_21_19 + P_22_18 + P_23_17 + P_24_16 + R_41 = 1
invariant :P_1_21 + -1'P_3_20 + -1'P_3_21 + -1'P_3_22 + -1'P_4_19 + -2'P_4_20 + -2'P_4_21 + -2'P_4_22 + -1'P_4_23 + -1'P_5_18 + -2'P_5_19 + -3'P_5_20 + -3'P_5_21 + -3'P_5_22 + -2'P_5_23 + -1'P_6_17 + -2'P_6_18 + -3'P_6_19 + -4'P_6_20 + -4'P_6_21 + -4'P_6_22 + -2'P_6_23 + -1'P_7_16 + -2'P_7_17 + -3'P_7_18 + -4'P_7_19 + -5'P_7_20 + -5'P_7_21 + -4'P_7_22 + -2'P_7_23 + -1'P_8_15 + -2'P_8_16 + -3'P_8_17 + -4'P_8_18 + -5'P_8_19 + -6'P_8_20 + -5'P_8_21 + -4'P_8_22 + -2'P_8_23 + -1'P_9_14 + -2'P_9_15 + -3'P_9_16 + -4'P_9_17 + -5'P_9_18 + -6'P_9_19 + -6'P_9_20 + -5'P_9_21 + -4'P_9_22 + -2'P_9_23 + -1'P_10_13 + -2'P_10_14 + -3'P_10_15 + -4'P_10_16 + -5'P_10_17 + -6'P_10_18 + -6'P_10_19 + -6'P_10_20 + -5'P_10_21 + -4'P_10_22 + -2'P_10_23 + -1'P_11_12 + -2'P_11_13 + -3'P_11_14 + -4'P_11_15 + -5'P_11_16 + -6'P_11_17 + -6'P_11_18 + -6'P_11_19 + -6'P_11_20 + -5'P_11_21 + -4'P_11_22 + -2'P_11_23 + -1'P_12_11 + -2'P_12_12 + -3'P_12_13 + -4'P_12_14 + -5'P_12_15 + -6'P_12_16 + -6'P_12_17 + -6'P_12_18 + -6'P_12_19 + -6'P_12_20 + -5'P_12_21 + -4'P_12_22 + -2'P_12_23 + -1'P_13_10 + -2'P_13_11 + -3'P_13_12 + -4'P_13_13 + -5'P_13_14 + -6'P_13_15 + -6'P_13_16 + -6'P_13_17 + -6'P_13_18 + -6'P_13_19 + -6'P_13_20 + -5'P_13_21 + -4'P_13_22 + -2'P_13_23 + -1'P_14_9 + -2'P_14_10 + -3'P_14_11 + -4'P_14_12 + -5'P_14_13 + -6'P_14_14 + -6'P_14_15 + -6'P_14_16 + -6'P_14_17 + -6'P_14_18 + -6'P_14_19 + -6'P_14_20 + -5'P_14_21 + -4'P_14_22 + -2'P_14_23 + -1'P_15_8 + -2'P_15_9 + -3'P_15_10 + -4'P_15_11 + -5'P_15_12 + -6'P_15_13 + -6'P_15_14 + -6'P_15_15 + -6'P_15_16 + -6'P_15_17 + -6'P_15_18 + -6'P_15_19 + -6'P_15_20 + -5'P_15_21 + -4'P_15_22 + -2'P_15_23 + -1'P_16_7 + -2'P_16_8 + -3'P_16_9 + -4'P_16_10 + -5'P_16_11 + -6'P_16_12 + -6'P_16_13 + -6'P_16_14 + -6'P_16_15 + -6'P_16_16 + -6'P_16_17 + -6'P_16_18 + -6'P_16_19 + -6'P_16_20 + -5'P_16_21 + -4'P_16_22 + -2'P_16_23 + -1'P_17_6 + -2'P_17_7 + -3'P_17_8 + -4'P_17_9 + -5'P_17_10 + -6'P_17_11 + -6'P_17_12 + -6'P_17_13 + -6'P_17_14 + -6'P_17_15 + -6'P_17_16 + -6'P_17_17 + -6'P_17_18 + -6'P_17_19 + -6'P_17_20 + -5'P_17_21 + -4'P_17_22 + -2'P_17_23 + -1'P_18_5 + -2'P_18_6 + -3'P_18_7 + -4'P_18_8 + -5'P_18_9 + -6'P_18_10 + -6'P_18_11 + -6'P_18_12 + -6'P_18_13 + -6'P_18_14 + -6'P_18_15 + -6'P_18_16 + -6'P_18_17 + -6'P_18_18 + -6'P_18_19 + -6'P_18_20 + -5'P_18_21 + -4'P_18_22 + -2'P_18_23 + -1'P_19_4 + -2'P_19_5 + -3'P_19_6 + -4'P_19_7 + -5'P_19_8 + -6'P_19_9 + -6'P_19_10 + -6'P_19_11 + -6'P_19_12 + -6'P_19_13 + -6'P_19_14 + -6'P_19_15 + -6'P_19_16 + -6'P_19_17 + -6'P_19_18 + -6'P_19_19 + -6'P_19_20 + -5'P_19_21 + -4'P_19_22 + -2'P_19_23 + -1'P_20_3 + -2'P_20_4 + -3'P_20_5 + -4'P_20_6 + -5'P_20_7 + -6'P_20_8 + -6'P_20_9 + -6'P_20_10 + -6'P_20_11 + -6'P_20_12 + -6'P_20_13 + -6'P_20_14 + -6'P_20_15 + -6'P_20_16 + -6'P_20_17 + -6'P_20_18 + -6'P_20_19 + -6'P_20_20 + -5'P_20_21 + -4'P_20_22 + -2'P_20_23 + -1'P_21_2 + -2'P_21_3 + -3'P_21_4 + -4'P_21_5 + -5'P_21_6 + -6'P_21_7 + -6'P_21_8 + -6'P_21_9 + -6'P_21_10 + -6'P_21_11 + -6'P_21_12 + -6'P_21_13 + -6'P_21_14 + -6'P_21_15 + -6'P_21_16 + -6'P_21_17 + -6'P_21_18 + -6'P_21_19 + -6'P_21_20 + -5'P_21_21 + -4'P_21_22 + -2'P_21_23 + -1'P_22_2 + -2'P_22_3 + -3'P_22_4 + -4'P_22_5 + -5'P_22_6 + -5'P_22_7 + -5'P_22_8 + -5'P_22_9 + -5'P_22_10 + -5'P_22_11 + -5'P_22_12 + -5'P_22_13 + -5'P_22_14 + -5'P_22_15 + -5'P_22_16 + -5'P_22_17 + -5'P_22_18 + -5'P_22_19 + -5'P_22_20 + -4'P_22_21 + -3'P_22_22 + -1'P_22_23 + -1'P_23_3 + -2'P_23_4 + -3'P_23_5 + -3'P_23_6 + -3'P_23_7 + -3'P_23_8 + -3'P_23_9 + -3'P_23_10 + -3'P_23_11 + -3'P_23_12 + -3'P_23_13 + -3'P_23_14 + -3'P_23_15 + -3'P_23_16 + -3'P_23_17 + -3'P_23_18 + -3'P_23_19 + -3'P_23_20 + -2'P_23_21 + -1'P_23_22 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + cX_22 + 3'cX_23 + 5'cX_24 + cY_21 + 2'cY_22 + 4'cY_23 + 6'cY_24 + -4'L_0 + -3'L_1 + -2'L_2 + -1'L_3 + -1'L_46 + -2'L_47 + -3'L_48 + -1'R_24 + -2'R_25 + -3'R_26 + -4'R_27 + -5'R_28 + -6'R_29 + -6'R_30 + -6'R_31 + -6'R_32 + -6'R_33 + -6'R_34 + -6'R_35 + -6'R_36 + -6'R_37 + -6'R_38 + -6'R_39 + -6'R_40 + -6'R_41 + -6'R_42 + -6'R_43 + -6'R_44 + -6'R_45 + -6'R_46 + -7'R_47 + -9'R_48 + -11'R_49 = -144
invariant :P_14_1 + P_14_2 + P_14_3 + P_14_4 + P_14_5 + P_14_6 + P_14_7 + P_14_8 + P_14_9 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_14_17 + P_14_18 + P_14_19 + P_14_20 + P_14_21 + P_14_22 + P_14_23 + P_15_2 + P_15_3 + P_15_4 + P_15_5 + P_15_6 + P_15_7 + P_15_8 + P_15_9 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_15_17 + P_15_18 + P_15_19 + P_15_20 + P_15_21 + P_15_22 + P_16_3 + P_16_4 + P_16_5 + P_16_6 + P_16_7 + P_16_8 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_16_17 + P_16_18 + P_16_19 + P_16_20 + P_16_21 + P_17_4 + P_17_5 + P_17_6 + P_17_7 + P_17_8 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_17_17 + P_17_18 + P_17_19 + P_17_20 + P_18_5 + P_18_6 + P_18_7 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_18_17 + P_18_18 + P_18_19 + P_19_6 + P_19_7 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_19_18 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_24_11 + P_24_12 + P_24_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -11
invariant :P_0_7 + P_3_7 + P_4_6 + P_4_7 + P_4_8 + P_5_5 + P_5_6 + 2'P_5_7 + P_5_8 + P_5_9 + P_6_4 + P_6_5 + 2'P_6_6 + 2'P_6_7 + 2'P_6_8 + P_6_9 + P_6_10 + P_7_3 + P_7_4 + 2'P_7_5 + 2'P_7_6 + 3'P_7_7 + 2'P_7_8 + 2'P_7_9 + P_7_10 + P_7_11 + P_8_2 + P_8_3 + 2'P_8_4 + 2'P_8_5 + 3'P_8_6 + 3'P_8_7 + 3'P_8_8 + 2'P_8_9 + 2'P_8_10 + P_8_11 + P_8_12 + P_9_3 + P_9_4 + 2'P_9_5 + 2'P_9_6 + 3'P_9_7 + 2'P_9_8 + 2'P_9_9 + P_9_10 + P_9_11 + -1'P_9_14 + -1'P_9_15 + -1'P_9_16 + -1'P_9_17 + -1'P_9_18 + -1'P_9_19 + -1'P_9_20 + -1'P_9_21 + -1'P_9_22 + -1'P_9_23 + P_10_4 + P_10_5 + 2'P_10_6 + 2'P_10_7 + 2'P_10_8 + P_10_9 + P_10_10 + -1'P_10_13 + -1'P_10_14 + -2'P_10_15 + -2'P_10_16 + -2'P_10_17 + -2'P_10_18 + -2'P_10_19 + -2'P_10_20 + -2'P_10_21 + -2'P_10_22 + -1'P_10_23 + P_11_5 + P_11_6 + 2'P_11_7 + P_11_8 + P_11_9 + -1'P_11_12 + -1'P_11_13 + -2'P_11_14 + -2'P_11_15 + -3'P_11_16 + -3'P_11_17 + -3'P_11_18 + -3'P_11_19 + -3'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + P_12_6 + P_12_7 + P_12_8 + -1'P_12_11 + -1'P_12_12 + -2'P_12_13 + -2'P_12_14 + -3'P_12_15 + -3'P_12_16 + -4'P_12_17 + -4'P_12_18 + -4'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + P_13_7 + -1'P_13_10 + -1'P_13_11 + -2'P_13_12 + -2'P_13_13 + -3'P_13_14 + -3'P_13_15 + -4'P_13_16 + -4'P_13_17 + -5'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_9 + -1'P_14_10 + -2'P_14_11 + -2'P_14_12 + -3'P_14_13 + -3'P_14_14 + -4'P_14_15 + -4'P_14_16 + -5'P_14_17 + -5'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_8 + -1'P_15_9 + -2'P_15_10 + -2'P_15_11 + -3'P_15_12 + -3'P_15_13 + -4'P_15_14 + -4'P_15_15 + -5'P_15_16 + -5'P_15_17 + -5'P_15_18 + -4'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_8 + -2'P_16_9 + -2'P_16_10 + -3'P_16_11 + -3'P_16_12 + -4'P_16_13 + -4'P_16_14 + -5'P_16_15 + -5'P_16_16 + -5'P_16_17 + -4'P_16_18 + -4'P_16_19 + -3'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_8 + -2'P_17_9 + -3'P_17_10 + -3'P_17_11 + -4'P_17_12 + -4'P_17_13 + -5'P_17_14 + -5'P_17_15 + -5'P_17_16 + -4'P_17_17 + -4'P_17_18 + -3'P_17_19 + -3'P_17_20 + -2'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_8 + -2'P_18_9 + -3'P_18_10 + -4'P_18_11 + -4'P_18_12 + -5'P_18_13 + -5'P_18_14 + -5'P_18_15 + -4'P_18_16 + -4'P_18_17 + -3'P_18_18 + -3'P_18_19 + -2'P_18_20 + -2'P_18_21 + -1'P_18_22 + -1'P_18_23 + -1'P_19_8 + -2'P_19_9 + -3'P_19_10 + -4'P_19_11 + -5'P_19_12 + -5'P_19_13 + -5'P_19_14 + -4'P_19_15 + -4'P_19_16 + -3'P_19_17 + -3'P_19_18 + -2'P_19_19 + -2'P_19_20 + -1'P_19_21 + -1'P_19_22 + -1'P_20_8 + -2'P_20_9 + -3'P_20_10 + -4'P_20_11 + -5'P_20_12 + -5'P_20_13 + -4'P_20_14 + -4'P_20_15 + -3'P_20_16 + -3'P_20_17 + -2'P_20_18 + -2'P_20_19 + -1'P_20_20 + -1'P_20_21 + -1'P_21_8 + -2'P_21_9 + -3'P_21_10 + -4'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -3'P_21_15 + -3'P_21_16 + -2'P_21_17 + -2'P_21_18 + -1'P_21_19 + -1'P_21_20 + -1'P_22_8 + -2'P_22_9 + -3'P_22_10 + -3'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -3'P_22_15 + -2'P_22_16 + -2'P_22_17 + -1'P_22_18 + -1'P_22_19 + -1'P_23_8 + -2'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -2'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'cX_9 + -2'cX_10 + -3'cX_11 + -4'cX_12 + -5'cX_13 + -6'cX_14 + -7'cX_15 + -8'cX_16 + -9'cX_17 + -10'cX_18 + -11'cX_19 + -12'cX_20 + -13'cX_21 + -14'cX_22 + -15'cX_23 + -16'cX_24 + -1'cY_8 + -2'cY_9 + -3'cY_10 + -4'cY_11 + -5'cY_12 + -6'cY_13 + -7'cY_14 + -8'cY_15 + -9'cY_16 + -10'cY_17 + -11'cY_18 + -12'cY_19 + -13'cY_20 + -14'cY_21 + -15'cY_22 + -16'cY_23 + -17'cY_24 + 9'L_0 + 9'L_1 + 8'L_2 + 8'L_3 + 7'L_4 + 7'L_5 + 6'L_6 + 6'L_7 + 5'L_8 + 5'L_9 + 4'L_10 + 4'L_11 + 3'L_12 + 3'L_13 + 2'L_14 + 2'L_15 + L_16 + L_17 + L_33 + L_34 + 2'L_35 + 2'L_36 + 3'L_37 + 3'L_38 + 4'L_39 + 4'L_40 + 5'L_41 + 5'L_42 + 6'L_43 + 6'L_44 + 7'L_45 + 7'L_46 + 8'L_47 + 8'L_48 + R_11 + R_12 + 2'R_13 + 2'R_14 + 3'R_15 + 3'R_16 + 4'R_17 + 4'R_18 + 5'R_19 + 5'R_20 + 6'R_21 + 6'R_22 + 7'R_23 + 7'R_24 + 8'R_25 + 8'R_26 + 9'R_27 + 9'R_28 + 10'R_29 + 10'R_30 + 11'R_31 + 11'R_32 + 12'R_33 + 13'R_34 + 15'R_35 + 16'R_36 + 18'R_37 + 19'R_38 + 21'R_39 + 22'R_40 + 24'R_41 + 25'R_42 + 27'R_43 + 28'R_44 + 29'R_45 + 30'R_46 + 31'R_47 + 32'R_48 + 33'R_49 = 400
invariant :P_1_24 + -1'P_3_23 + -1'P_4_22 + -1'P_4_23 + -1'P_5_21 + -1'P_5_22 + -1'P_5_23 + -1'P_6_20 + -1'P_6_21 + -1'P_6_22 + -1'P_6_23 + -1'P_7_19 + -1'P_7_20 + -1'P_7_21 + -1'P_7_22 + -1'P_7_23 + -1'P_8_18 + -1'P_8_19 + -1'P_8_20 + -1'P_8_21 + -1'P_8_22 + -1'P_8_23 + -1'P_9_17 + -1'P_9_18 + -1'P_9_19 + -1'P_9_20 + -1'P_9_21 + -1'P_9_22 + -1'P_9_23 + -1'P_10_16 + -1'P_10_17 + -1'P_10_18 + -1'P_10_19 + -1'P_10_20 + -1'P_10_21 + -1'P_10_22 + -1'P_10_23 + -1'P_11_15 + -1'P_11_16 + -1'P_11_17 + -1'P_11_18 + -1'P_11_19 + -1'P_11_20 + -1'P_11_21 + -1'P_11_22 + -1'P_11_23 + -1'P_12_14 + -1'P_12_15 + -1'P_12_16 + -1'P_12_17 + -1'P_12_18 + -1'P_12_19 + -1'P_12_20 + -1'P_12_21 + -1'P_12_22 + -1'P_12_23 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_13_16 + -1'P_13_17 + -1'P_13_18 + -1'P_13_19 + -1'P_13_20 + -1'P_13_21 + -1'P_13_22 + -1'P_13_23 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_14_16 + -1'P_14_17 + -1'P_14_18 + -1'P_14_19 + -1'P_14_20 + -1'P_14_21 + -1'P_14_22 + -1'P_14_23 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_15_16 + -1'P_15_17 + -1'P_15_18 + -1'P_15_19 + -1'P_15_20 + -1'P_15_21 + -1'P_15_22 + -1'P_15_23 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_16_16 + -1'P_16_17 + -1'P_16_18 + -1'P_16_19 + -1'P_16_20 + -1'P_16_21 + -1'P_16_22 + -1'P_16_23 + -1'P_17_9 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_17_16 + -1'P_17_17 + -1'P_17_18 + -1'P_17_19 + -1'P_17_20 + -1'P_17_21 + -1'P_17_22 + -1'P_17_23 + -1'P_18_8 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_18_16 + -1'P_18_17 + -1'P_18_18 + -1'P_18_19 + -1'P_18_20 + -1'P_18_21 + -1'P_18_22 + -1'P_18_23 + -1'P_19_7 + -1'P_19_8 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_19_17 + -1'P_19_18 + -1'P_19_19 + -1'P_19_20 + -1'P_19_21 + -1'P_19_22 + -1'P_19_23 + -1'P_20_6 + -1'P_20_7 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_20_18 + -1'P_20_19 + -1'P_20_20 + -1'P_20_21 + -1'P_20_22 + -1'P_20_23 + -1'P_21_5 + -1'P_21_6 + -1'P_21_7 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_21_19 + -1'P_21_20 + -1'P_21_21 + -1'P_21_22 + -1'P_21_23 + -1'P_22_4 + -1'P_22_5 + -1'P_22_6 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_22_19 + -1'P_22_20 + -1'P_22_21 + -1'P_22_22 + -1'P_22_23 + -1'P_23_3 + -1'P_23_4 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'P_23_21 + -1'P_23_22 + -1'P_23_23 + -1'P_24_2 + -1'P_24_3 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + -1'P_24_22 + -1'P_24_23 + cY_24 + -1'L_0 + -1'R_27 + -1'R_28 + -1'R_29 + -1'R_30 + -1'R_31 + -1'R_32 + -1'R_33 + -1'R_34 + -1'R_35 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -23
invariant :P_19_0 + -1'P_20_2 + -1'P_20_3 + -1'P_20_4 + -1'P_20_5 + -1'P_20_6 + -1'P_20_7 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_20_18 + -1'P_20_19 + -1'P_20_20 + -1'P_20_21 + -1'P_20_22 + -1'P_20_23 + -1'P_21_3 + -1'P_21_4 + -1'P_21_5 + -1'P_21_6 + -1'P_21_7 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_21_19 + -1'P_21_20 + -1'P_21_21 + -1'P_21_22 + -1'P_22_4 + -1'P_22_5 + -1'P_22_6 + -1'P_22_7 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_22_19 + -1'P_22_20 + -1'P_22_21 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_45 + R_46 + R_47 + R_48 + R_49 = 6
invariant :P_1_6 + -1'P_3_5 + -1'P_3_6 + -1'P_3_7 + -1'P_4_4 + -2'P_4_5 + -2'P_4_6 + -2'P_4_7 + -1'P_4_8 + -1'P_5_3 + -2'P_5_4 + -3'P_5_5 + -3'P_5_6 + -3'P_5_7 + -2'P_5_8 + -1'P_5_9 + -1'P_6_2 + -2'P_6_3 + -3'P_6_4 + -4'P_6_5 + -4'P_6_6 + -4'P_6_7 + -3'P_6_8 + -2'P_6_9 + -1'P_6_10 + -1'P_7_2 + -2'P_7_3 + -3'P_7_4 + -4'P_7_5 + -4'P_7_6 + -4'P_7_7 + -3'P_7_8 + -2'P_7_9 + -1'P_7_10 + P_7_12 + P_7_13 + P_7_14 + P_7_15 + P_7_16 + P_7_17 + P_7_18 + P_7_19 + P_7_20 + P_7_21 + P_7_22 + P_7_23 + -1'P_8_3 + -2'P_8_4 + -3'P_8_5 + -3'P_8_6 + -3'P_8_7 + -2'P_8_8 + -1'P_8_9 + P_8_11 + 2'P_8_12 + 3'P_8_13 + 3'P_8_14 + 3'P_8_15 + 3'P_8_16 + 3'P_8_17 + 3'P_8_18 + 3'P_8_19 + 3'P_8_20 + 3'P_8_21 + 3'P_8_22 + 2'P_8_23 + -1'P_9_4 + -2'P_9_5 + -2'P_9_6 + -2'P_9_7 + -1'P_9_8 + P_9_10 + 2'P_9_11 + 3'P_9_12 + 4'P_9_13 + 5'P_9_14 + 5'P_9_15 + 5'P_9_16 + 5'P_9_17 + 5'P_9_18 + 5'P_9_19 + 5'P_9_20 + 5'P_9_21 + 4'P_9_22 + 2'P_9_23 + -1'P_10_5 + -1'P_10_6 + -1'P_10_7 + P_10_9 + 2'P_10_10 + 3'P_10_11 + 4'P_10_12 + 5'P_10_13 + 6'P_10_14 + 7'P_10_15 + 7'P_10_16 + 7'P_10_17 + 7'P_10_18 + 7'P_10_19 + 7'P_10_20 + 6'P_10_21 + 4'P_10_22 + 2'P_10_23 + P_11_8 + 2'P_11_9 + 3'P_11_10 + 4'P_11_11 + 5'P_11_12 + 6'P_11_13 + 7'P_11_14 + 8'P_11_15 + 9'P_11_16 + 9'P_11_17 + 9'P_11_18 + 9'P_11_19 + 8'P_11_20 + 6'P_11_21 + 4'P_11_22 + 2'P_11_23 + P_12_6 + P_12_7 + 2'P_12_8 + 3'P_12_9 + 4'P_12_10 + 5'P_12_11 + 6'P_12_12 + 7'P_12_13 + 8'P_12_14 + 9'P_12_15 + 10'P_12_16 + 11'P_12_17 + 11'P_12_18 + 10'P_12_19 + 8'P_12_20 + 6'P_12_21 + 4'P_12_22 + 2'P_12_23 + P_13_6 + 2'P_13_7 + 3'P_13_8 + 4'P_13_9 + 5'P_13_10 + 6'P_13_11 + 7'P_13_12 + 8'P_13_13 + 9'P_13_14 + 10'P_13_15 + 11'P_13_16 + 12'P_13_17 + 12'P_13_18 + 10'P_13_19 + 8'P_13_20 + 6'P_13_21 + 4'P_13_22 + 2'P_13_23 + P_14_6 + 2'P_14_7 + 4'P_14_8 + 5'P_14_9 + 6'P_14_10 + 7'P_14_11 + 8'P_14_12 + 9'P_14_13 + 10'P_14_14 + 11'P_14_15 + 12'P_14_16 + 12'P_14_17 + 11'P_14_18 + 10'P_14_19 + 8'P_14_20 + 6'P_14_21 + 4'P_14_22 + 2'P_14_23 + P_15_6 + 2'P_15_7 + 4'P_15_8 + 6'P_15_9 + 7'P_15_10 + 8'P_15_11 + 9'P_15_12 + 10'P_15_13 + 11'P_15_14 + 12'P_15_15 + 12'P_15_16 + 11'P_15_17 + 10'P_15_18 + 9'P_15_19 + 8'P_15_20 + 6'P_15_21 + 4'P_15_22 + 2'P_15_23 + P_16_6 + 2'P_16_7 + 4'P_16_8 + 6'P_16_9 + 8'P_16_10 + 9'P_16_11 + 10'P_16_12 + 11'P_16_13 + 12'P_16_14 + 12'P_16_15 + 11'P_16_16 + 10'P_16_17 + 9'P_16_18 + 8'P_16_19 + 7'P_16_20 + 6'P_16_21 + 4'P_16_22 + 2'P_16_23 + P_17_6 + 2'P_17_7 + 4'P_17_8 + 6'P_17_9 + 8'P_17_10 + 10'P_17_11 + 11'P_17_12 + 12'P_17_13 + 12'P_17_14 + 11'P_17_15 + 10'P_17_16 + 9'P_17_17 + 8'P_17_18 + 7'P_17_19 + 6'P_17_20 + 5'P_17_21 + 4'P_17_22 + 2'P_17_23 + P_18_6 + 2'P_18_7 + 4'P_18_8 + 6'P_18_9 + 8'P_18_10 + 10'P_18_11 + 12'P_18_12 + 12'P_18_13 + 11'P_18_14 + 10'P_18_15 + 9'P_18_16 + 8'P_18_17 + 7'P_18_18 + 6'P_18_19 + 5'P_18_20 + 4'P_18_21 + 3'P_18_22 + 2'P_18_23 + P_19_6 + 2'P_19_7 + 4'P_19_8 + 6'P_19_9 + 8'P_19_10 + 10'P_19_11 + 11'P_19_12 + 11'P_19_13 + 10'P_19_14 + 9'P_19_15 + 8'P_19_16 + 7'P_19_17 + 6'P_19_18 + 5'P_19_19 + 4'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_6 + 2'P_20_7 + 4'P_20_8 + 6'P_20_9 + 8'P_20_10 + 9'P_20_11 + 9'P_20_12 + 9'P_20_13 + 9'P_20_14 + 8'P_20_15 + 7'P_20_16 + 6'P_20_17 + 5'P_20_18 + 4'P_20_19 + 3'P_20_20 + 2'P_20_21 + P_20_22 + P_21_6 + 2'P_21_7 + 4'P_21_8 + 6'P_21_9 + 7'P_21_10 + 7'P_21_11 + 7'P_21_12 + 7'P_21_13 + 7'P_21_14 + 7'P_21_15 + 6'P_21_16 + 5'P_21_17 + 4'P_21_18 + 3'P_21_19 + 2'P_21_20 + P_21_21 + P_22_6 + 2'P_22_7 + 4'P_22_8 + 5'P_22_9 + 5'P_22_10 + 5'P_22_11 + 5'P_22_12 + 5'P_22_13 + 5'P_22_14 + 5'P_22_15 + 5'P_22_16 + 4'P_22_17 + 3'P_22_18 + 2'P_22_19 + P_22_20 + P_23_6 + 2'P_23_7 + 3'P_23_8 + 3'P_23_9 + 3'P_23_10 + 3'P_23_11 + 3'P_23_12 + 3'P_23_13 + 3'P_23_14 + 3'P_23_15 + 3'P_23_16 + 3'P_23_17 + 2'P_23_18 + P_23_19 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + cX_7 + 3'cX_8 + 5'cX_9 + 7'cX_10 + 9'cX_11 + 11'cX_12 + 13'cX_13 + 15'cX_14 + 17'cX_15 + 19'cX_16 + 21'cX_17 + 23'cX_18 + 25'cX_19 + 27'cX_20 + 29'cX_21 + 31'cX_22 + 33'cX_23 + 35'cX_24 + cY_6 + 2'cY_7 + 4'cY_8 + 6'cY_9 + 8'cY_10 + 10'cY_11 + 12'cY_12 + 14'cY_13 + 16'cY_14 + 18'cY_15 + 20'cY_16 + 22'cY_17 + 24'cY_18 + 26'cY_19 + 28'cY_20 + 30'cY_21 + 32'cY_22 + 34'cY_23 + 36'cY_24 + -19'L_0 + -18'L_1 + -17'L_2 + -16'L_3 + -15'L_4 + -14'L_5 + -13'L_6 + -12'L_7 + -11'L_8 + -10'L_9 + -9'L_10 + -8'L_11 + -7'L_12 + -6'L_13 + -5'L_14 + -4'L_15 + -3'L_16 + -2'L_17 + -1'L_18 + -1'L_31 + -2'L_32 + -3'L_33 + -4'L_34 + -5'L_35 + -6'L_36 + -7'L_37 + -8'L_38 + -9'L_39 + -10'L_40 + -11'L_41 + -12'L_42 + -13'L_43 + -14'L_44 + -15'L_45 + -16'L_46 + -17'L_47 + -18'L_48 + -1'R_9 + -2'R_10 + -3'R_11 + -4'R_12 + -5'R_13 + -6'R_14 + -7'R_15 + -8'R_16 + -9'R_17 + -10'R_18 + -11'R_19 + -12'R_20 + -13'R_21 + -14'R_22 + -15'R_23 + -16'R_24 + -17'R_25 + -18'R_26 + -19'R_27 + -20'R_28 + -21'R_29 + -22'R_30 + -23'R_31 + -25'R_32 + -28'R_33 + -31'R_34 + -34'R_35 + -37'R_36 + -40'R_37 + -43'R_38 + -46'R_39 + -49'R_40 + -52'R_41 + -55'R_42 + -58'R_43 + -61'R_44 + -63'R_45 + -65'R_46 + -67'R_47 + -69'R_48 + -71'R_49 = -864
invariant :P_21_1 + P_21_2 + P_21_3 + P_21_4 + P_21_5 + P_21_6 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_21_19 + P_21_20 + P_21_21 + P_21_22 + P_21_23 + P_22_2 + P_22_3 + P_22_4 + P_22_5 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_22_19 + P_22_20 + P_22_21 + P_22_22 + P_23_3 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_23_21 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -4
invariant :P_23_0 + -1'P_24_2 + -1'P_24_3 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + -1'P_24_22 + -1'P_24_23 + -1'cX_24 + L_47 + L_48 + R_49 = 2
invariant :P_1_4 + -1'P_3_3 + -1'P_3_4 + -1'P_3_5 + -1'P_4_2 + -2'P_4_3 + -2'P_4_4 + -2'P_4_5 + -1'P_4_6 + -1'P_5_2 + -2'P_5_3 + -2'P_5_4 + -2'P_5_5 + -1'P_5_6 + P_5_8 + P_5_9 + P_5_10 + P_5_11 + P_5_12 + P_5_13 + P_5_14 + P_5_15 + P_5_16 + P_5_17 + P_5_18 + P_5_19 + P_5_20 + P_5_21 + P_5_22 + P_5_23 + -1'P_6_3 + -1'P_6_4 + -1'P_6_5 + P_6_7 + 2'P_6_8 + 3'P_6_9 + 3'P_6_10 + 3'P_6_11 + 3'P_6_12 + 3'P_6_13 + 3'P_6_14 + 3'P_6_15 + 3'P_6_16 + 3'P_6_17 + 3'P_6_18 + 3'P_6_19 + 3'P_6_20 + 3'P_6_21 + 3'P_6_22 + 2'P_6_23 + P_7_6 + 2'P_7_7 + 3'P_7_8 + 4'P_7_9 + 5'P_7_10 + 5'P_7_11 + 5'P_7_12 + 5'P_7_13 + 5'P_7_14 + 5'P_7_15 + 5'P_7_16 + 5'P_7_17 + 5'P_7_18 + 5'P_7_19 + 5'P_7_20 + 5'P_7_21 + 4'P_7_22 + 2'P_7_23 + P_8_4 + P_8_5 + 2'P_8_6 + 3'P_8_7 + 4'P_8_8 + 5'P_8_9 + 6'P_8_10 + 7'P_8_11 + 7'P_8_12 + 7'P_8_13 + 7'P_8_14 + 7'P_8_15 + 7'P_8_16 + 7'P_8_17 + 7'P_8_18 + 7'P_8_19 + 7'P_8_20 + 6'P_8_21 + 4'P_8_22 + 2'P_8_23 + P_9_4 + 2'P_9_5 + 3'P_9_6 + 4'P_9_7 + 5'P_9_8 + 6'P_9_9 + 7'P_9_10 + 8'P_9_11 + 9'P_9_12 + 9'P_9_13 + 9'P_9_14 + 9'P_9_15 + 9'P_9_16 + 9'P_9_17 + 9'P_9_18 + 9'P_9_19 + 8'P_9_20 + 6'P_9_21 + 4'P_9_22 + 2'P_9_23 + P_10_4 + 2'P_10_5 + 4'P_10_6 + 5'P_10_7 + 6'P_10_8 + 7'P_10_9 + 8'P_10_10 + 9'P_10_11 + 10'P_10_12 + 11'P_10_13 + 11'P_10_14 + 11'P_10_15 + 11'P_10_16 + 11'P_10_17 + 11'P_10_18 + 10'P_10_19 + 8'P_10_20 + 6'P_10_21 + 4'P_10_22 + 2'P_10_23 + P_11_4 + 2'P_11_5 + 4'P_11_6 + 6'P_11_7 + 7'P_11_8 + 8'P_11_9 + 9'P_11_10 + 10'P_11_11 + 11'P_11_12 + 12'P_11_13 + 13'P_11_14 + 13'P_11_15 + 13'P_11_16 + 13'P_11_17 + 12'P_11_18 + 10'P_11_19 + 8'P_11_20 + 6'P_11_21 + 4'P_11_22 + 2'P_11_23 + P_12_4 + 2'P_12_5 + 4'P_12_6 + 6'P_12_7 + 8'P_12_8 + 9'P_12_9 + 10'P_12_10 + 11'P_12_11 + 12'P_12_12 + 13'P_12_13 + 14'P_12_14 + 15'P_12_15 + 15'P_12_16 + 14'P_12_17 + 12'P_12_18 + 10'P_12_19 + 8'P_12_20 + 6'P_12_21 + 4'P_12_22 + 2'P_12_23 + P_13_4 + 2'P_13_5 + 4'P_13_6 + 6'P_13_7 + 8'P_13_8 + 10'P_13_9 + 11'P_13_10 + 12'P_13_11 + 13'P_13_12 + 14'P_13_13 + 15'P_13_14 + 16'P_13_15 + 16'P_13_16 + 14'P_13_17 + 12'P_13_18 + 10'P_13_19 + 8'P_13_20 + 6'P_13_21 + 4'P_13_22 + 2'P_13_23 + P_14_4 + 2'P_14_5 + 4'P_14_6 + 6'P_14_7 + 8'P_14_8 + 10'P_14_9 + 12'P_14_10 + 13'P_14_11 + 14'P_14_12 + 15'P_14_13 + 16'P_14_14 + 16'P_14_15 + 15'P_14_16 + 14'P_14_17 + 12'P_14_18 + 10'P_14_19 + 8'P_14_20 + 6'P_14_21 + 4'P_14_22 + 2'P_14_23 + P_15_4 + 2'P_15_5 + 4'P_15_6 + 6'P_15_7 + 8'P_15_8 + 10'P_15_9 + 12'P_15_10 + 14'P_15_11 + 15'P_15_12 + 16'P_15_13 + 16'P_15_14 + 15'P_15_15 + 14'P_15_16 + 13'P_15_17 + 12'P_15_18 + 10'P_15_19 + 8'P_15_20 + 6'P_15_21 + 4'P_15_22 + 2'P_15_23 + P_16_4 + 2'P_16_5 + 4'P_16_6 + 6'P_16_7 + 8'P_16_8 + 10'P_16_9 + 12'P_16_10 + 14'P_16_11 + 16'P_16_12 + 16'P_16_13 + 15'P_16_14 + 14'P_16_15 + 13'P_16_16 + 12'P_16_17 + 11'P_16_18 + 10'P_16_19 + 8'P_16_20 + 6'P_16_21 + 4'P_16_22 + 2'P_16_23 + P_17_4 + 2'P_17_5 + 4'P_17_6 + 6'P_17_7 + 8'P_17_8 + 10'P_17_9 + 12'P_17_10 + 14'P_17_11 + 15'P_17_12 + 15'P_17_13 + 14'P_17_14 + 13'P_17_15 + 12'P_17_16 + 11'P_17_17 + 10'P_17_18 + 9'P_17_19 + 8'P_17_20 + 6'P_17_21 + 4'P_17_22 + 2'P_17_23 + P_18_4 + 2'P_18_5 + 4'P_18_6 + 6'P_18_7 + 8'P_18_8 + 10'P_18_9 + 12'P_18_10 + 13'P_18_11 + 13'P_18_12 + 13'P_18_13 + 13'P_18_14 + 12'P_18_15 + 11'P_18_16 + 10'P_18_17 + 9'P_18_18 + 8'P_18_19 + 7'P_18_20 + 6'P_18_21 + 4'P_18_22 + 2'P_18_23 + P_19_4 + 2'P_19_5 + 4'P_19_6 + 6'P_19_7 + 8'P_19_8 + 10'P_19_9 + 11'P_19_10 + 11'P_19_11 + 11'P_19_12 + 11'P_19_13 + 11'P_19_14 + 11'P_19_15 + 10'P_19_16 + 9'P_19_17 + 8'P_19_18 + 7'P_19_19 + 6'P_19_20 + 5'P_19_21 + 4'P_19_22 + 2'P_19_23 + P_20_4 + 2'P_20_5 + 4'P_20_6 + 6'P_20_7 + 8'P_20_8 + 9'P_20_9 + 9'P_20_10 + 9'P_20_11 + 9'P_20_12 + 9'P_20_13 + 9'P_20_14 + 9'P_20_15 + 9'P_20_16 + 8'P_20_17 + 7'P_20_18 + 6'P_20_19 + 5'P_20_20 + 4'P_20_21 + 3'P_20_22 + 2'P_20_23 + P_21_4 + 2'P_21_5 + 4'P_21_6 + 6'P_21_7 + 7'P_21_8 + 7'P_21_9 + 7'P_21_10 + 7'P_21_11 + 7'P_21_12 + 7'P_21_13 + 7'P_21_14 + 7'P_21_15 + 7'P_21_16 + 7'P_21_17 + 6'P_21_18 + 5'P_21_19 + 4'P_21_20 + 3'P_21_21 + 2'P_21_22 + P_21_23 + P_22_4 + 2'P_22_5 + 4'P_22_6 + 5'P_22_7 + 5'P_22_8 + 5'P_22_9 + 5'P_22_10 + 5'P_22_11 + 5'P_22_12 + 5'P_22_13 + 5'P_22_14 + 5'P_22_15 + 5'P_22_16 + 5'P_22_17 + 5'P_22_18 + 4'P_22_19 + 3'P_22_20 + 2'P_22_21 + P_22_22 + P_23_4 + 2'P_23_5 + 3'P_23_6 + 3'P_23_7 + 3'P_23_8 + 3'P_23_9 + 3'P_23_10 + 3'P_23_11 + 3'P_23_12 + 3'P_23_13 + 3'P_23_14 + 3'P_23_15 + 3'P_23_16 + 3'P_23_17 + 3'P_23_18 + 3'P_23_19 + 2'P_23_20 + P_23_21 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + cX_5 + 3'cX_6 + 5'cX_7 + 7'cX_8 + 9'cX_9 + 11'cX_10 + 13'cX_11 + 15'cX_12 + 17'cX_13 + 19'cX_14 + 21'cX_15 + 23'cX_16 + 25'cX_17 + 27'cX_18 + 29'cX_19 + 31'cX_20 + 33'cX_21 + 35'cX_22 + 37'cX_23 + 39'cX_24 + cY_4 + 2'cY_5 + 4'cY_6 + 6'cY_7 + 8'cY_8 + 10'cY_9 + 12'cY_10 + 14'cY_11 + 16'cY_12 + 18'cY_13 + 20'cY_14 + 22'cY_15 + 24'cY_16 + 26'cY_17 + 28'cY_18 + 30'cY_19 + 32'cY_20 + 34'cY_21 + 36'cY_22 + 38'cY_23 + 40'cY_24 + -21'L_0 + -20'L_1 + -19'L_2 + -18'L_3 + -17'L_4 + -16'L_5 + -15'L_6 + -14'L_7 + -13'L_8 + -12'L_9 + -11'L_10 + -10'L_11 + -9'L_12 + -8'L_13 + -7'L_14 + -6'L_15 + -5'L_16 + -4'L_17 + -3'L_18 + -2'L_19 + -1'L_20 + -1'L_29 + -2'L_30 + -3'L_31 + -4'L_32 + -5'L_33 + -6'L_34 + -7'L_35 + -8'L_36 + -9'L_37 + -10'L_38 + -11'L_39 + -12'L_40 + -13'L_41 + -14'L_42 + -15'L_43 + -16'L_44 + -17'L_45 + -18'L_46 + -19'L_47 + -20'L_48 + -1'R_7 + -2'R_8 + -3'R_9 + -4'R_10 + -5'R_11 + -6'R_12 + -7'R_13 + -8'R_14 + -9'R_15 + -10'R_16 + -11'R_17 + -12'R_18 + -13'R_19 + -14'R_20 + -15'R_21 + -16'R_22 + -17'R_23 + -18'R_24 + -19'R_25 + -20'R_26 + -21'R_27 + -22'R_28 + -23'R_29 + -25'R_30 + -28'R_31 + -31'R_32 + -34'R_33 + -37'R_34 + -40'R_35 + -43'R_36 + -46'R_37 + -49'R_38 + -52'R_39 + -55'R_40 + -58'R_41 + -61'R_42 + -64'R_43 + -67'R_44 + -70'R_45 + -73'R_46 + -75'R_47 + -77'R_48 + -79'R_49 = -960
invariant :L_1 + L_3 + L_5 + L_7 + L_9 + L_11 + L_13 + L_15 + L_17 + L_19 + L_21 + L_23 + L_25 + L_27 + L_29 + L_31 + L_33 + L_35 + L_37 + L_39 + L_41 + L_43 + L_45 + L_47 + -1'R_2 + -1'R_4 + -1'R_6 + -1'R_8 + -1'R_10 + -1'R_12 + -1'R_14 + -1'R_16 + -1'R_18 + -1'R_20 + -1'R_22 + -1'R_24 + -1'R_26 + -1'R_28 + -1'R_30 + -1'R_32 + -1'R_34 + -1'R_36 + -1'R_38 + -1'R_40 + -1'R_42 + -1'R_44 + -1'R_46 + -1'R_48 = 0
invariant :P_2_8 + P_3_7 + P_3_8 + P_3_9 + P_4_6 + P_4_7 + 2'P_4_8 + P_4_9 + P_4_10 + P_5_5 + P_5_6 + 2'P_5_7 + 2'P_5_8 + 2'P_5_9 + P_5_10 + P_5_11 + P_6_4 + P_6_5 + 2'P_6_6 + 2'P_6_7 + 3'P_6_8 + 2'P_6_9 + 2'P_6_10 + P_6_11 + P_6_12 + P_7_3 + P_7_4 + 2'P_7_5 + 2'P_7_6 + 3'P_7_7 + 3'P_7_8 + 3'P_7_9 + 2'P_7_10 + 2'P_7_11 + P_7_12 + P_7_13 + P_8_2 + P_8_3 + 2'P_8_4 + 2'P_8_5 + 3'P_8_6 + 3'P_8_7 + 4'P_8_8 + 3'P_8_9 + 3'P_8_10 + 2'P_8_11 + 2'P_8_12 + P_8_13 + P_8_14 + P_9_3 + P_9_4 + 2'P_9_5 + 2'P_9_6 + 3'P_9_7 + 3'P_9_8 + 3'P_9_9 + 2'P_9_10 + 2'P_9_11 + P_9_12 + P_9_13 + -1'P_9_16 + -1'P_9_17 + -1'P_9_18 + -1'P_9_19 + -1'P_9_20 + -1'P_9_21 + -1'P_9_22 + -1'P_9_23 + P_10_4 + P_10_5 + 2'P_10_6 + 2'P_10_7 + 3'P_10_8 + 2'P_10_9 + 2'P_10_10 + P_10_11 + P_10_12 + -1'P_10_15 + -1'P_10_16 + -2'P_10_17 + -2'P_10_18 + -2'P_10_19 + -2'P_10_20 + -2'P_10_21 + -2'P_10_22 + -1'P_10_23 + P_11_5 + P_11_6 + 2'P_11_7 + 2'P_11_8 + 2'P_11_9 + P_11_10 + P_11_11 + -1'P_11_14 + -1'P_11_15 + -2'P_11_16 + -2'P_11_17 + -3'P_11_18 + -3'P_11_19 + -3'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + P_12_6 + P_12_7 + 2'P_12_8 + P_12_9 + P_12_10 + -1'P_12_13 + -1'P_12_14 + -2'P_12_15 + -2'P_12_16 + -3'P_12_17 + -3'P_12_18 + -4'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + P_13_7 + P_13_8 + P_13_9 + -1'P_13_12 + -1'P_13_13 + -2'P_13_14 + -2'P_13_15 + -3'P_13_16 + -3'P_13_17 + -4'P_13_18 + -4'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + P_14_8 + -1'P_14_11 + -1'P_14_12 + -2'P_14_13 + -2'P_14_14 + -3'P_14_15 + -3'P_14_16 + -4'P_14_17 + -4'P_14_18 + -4'P_14_19 + -3'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_10 + -1'P_15_11 + -2'P_15_12 + -2'P_15_13 + -3'P_15_14 + -3'P_15_15 + -4'P_15_16 + -4'P_15_17 + -4'P_15_18 + -3'P_15_19 + -3'P_15_20 + -2'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_9 + -1'P_16_10 + -2'P_16_11 + -2'P_16_12 + -3'P_16_13 + -3'P_16_14 + -4'P_16_15 + -4'P_16_16 + -4'P_16_17 + -3'P_16_18 + -3'P_16_19 + -2'P_16_20 + -2'P_16_21 + -1'P_16_22 + -1'P_16_23 + -1'P_17_9 + -2'P_17_10 + -2'P_17_11 + -3'P_17_12 + -3'P_17_13 + -4'P_17_14 + -4'P_17_15 + -4'P_17_16 + -3'P_17_17 + -3'P_17_18 + -2'P_17_19 + -2'P_17_20 + -1'P_17_21 + -1'P_17_22 + -1'P_18_9 + -2'P_18_10 + -3'P_18_11 + -3'P_18_12 + -4'P_18_13 + -4'P_18_14 + -4'P_18_15 + -3'P_18_16 + -3'P_18_17 + -2'P_18_18 + -2'P_18_19 + -1'P_18_20 + -1'P_18_21 + -1'P_19_9 + -2'P_19_10 + -3'P_19_11 + -4'P_19_12 + -4'P_19_13 + -4'P_19_14 + -3'P_19_15 + -3'P_19_16 + -2'P_19_17 + -2'P_19_18 + -1'P_19_19 + -1'P_19_20 + -1'P_20_9 + -2'P_20_10 + -3'P_20_11 + -4'P_20_12 + -4'P_20_13 + -3'P_20_14 + -3'P_20_15 + -2'P_20_16 + -2'P_20_17 + -1'P_20_18 + -1'P_20_19 + -1'P_21_9 + -2'P_21_10 + -3'P_21_11 + -3'P_21_12 + -3'P_21_13 + -3'P_21_14 + -2'P_21_15 + -2'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_22_9 + -2'P_22_10 + -2'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -2'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'cX_9 + -2'cX_10 + -3'cX_11 + -4'cX_12 + -5'cX_13 + -6'cX_14 + -7'cX_15 + -8'cX_16 + -9'cX_17 + -10'cX_18 + -11'cX_19 + -12'cX_20 + -13'cX_21 + -14'cX_22 + -15'cX_23 + -16'cX_24 + -1'cY_9 + -2'cY_10 + -3'cY_11 + -4'cY_12 + -5'cY_13 + -6'cY_14 + -7'cY_15 + -8'cY_16 + -9'cY_17 + -10'cY_18 + -11'cY_19 + -12'cY_20 + -13'cY_21 + -14'cY_22 + -15'cY_23 + -16'cY_24 + 8'L_0 + 8'L_1 + 7'L_2 + 7'L_3 + 6'L_4 + 6'L_5 + 5'L_6 + 5'L_7 + 4'L_8 + 4'L_9 + 3'L_10 + 3'L_11 + 2'L_12 + 2'L_13 + L_14 + L_15 + L_33 + L_34 + 2'L_35 + 2'L_36 + 3'L_37 + 3'L_38 + 4'L_39 + 4'L_40 + 5'L_41 + 5'L_42 + 6'L_43 + 6'L_44 + 7'L_45 + 7'L_46 + 8'L_47 + 8'L_48 + R_11 + R_12 + 2'R_13 + 2'R_14 + 3'R_15 + 3'R_16 + 4'R_17 + 4'R_18 + 5'R_19 + 5'R_20 + 6'R_21 + 6'R_22 + 7'R_23 + 7'R_24 + 8'R_25 + 8'R_26 + 9'R_27 + 9'R_28 + 10'R_29 + 10'R_30 + 11'R_31 + 11'R_32 + 12'R_33 + 13'R_34 + 15'R_35 + 16'R_36 + 18'R_37 + 19'R_38 + 21'R_39 + 22'R_40 + 24'R_41 + 25'R_42 + 26'R_43 + 27'R_44 + 28'R_45 + 29'R_46 + 30'R_47 + 31'R_48 + 32'R_49 = 392
invariant :P_13_24 + P_14_23 + P_15_22 + P_16_21 + P_17_20 + P_18_19 + P_19_18 + P_20_17 + P_21_16 + P_22_15 + P_23_14 + P_24_13 + R_38 = 1
invariant :P_9_0 + -1'P_10_2 + -1'P_10_3 + -1'P_10_4 + -1'P_10_5 + -1'P_10_6 + -1'P_10_7 + -1'P_10_8 + -1'P_10_9 + -1'P_10_10 + -1'P_10_11 + -1'P_10_12 + -1'P_10_13 + -1'P_10_14 + -1'P_10_15 + -1'P_10_16 + -1'P_10_17 + -1'P_10_18 + -1'P_10_19 + -1'P_10_20 + -1'P_10_21 + -1'P_10_22 + -1'P_10_23 + -1'P_11_3 + -1'P_11_4 + -1'P_11_5 + -1'P_11_6 + -1'P_11_7 + -1'P_11_8 + -1'P_11_9 + -1'P_11_10 + -1'P_11_11 + -1'P_11_12 + -1'P_11_13 + -1'P_11_14 + -1'P_11_15 + -1'P_11_16 + -1'P_11_17 + -1'P_11_18 + -1'P_11_19 + -1'P_11_20 + -1'P_11_21 + -1'P_11_22 + -1'P_12_4 + -1'P_12_5 + -1'P_12_6 + -1'P_12_7 + -1'P_12_8 + -1'P_12_9 + -1'P_12_10 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_12_15 + -1'P_12_16 + -1'P_12_17 + -1'P_12_18 + -1'P_12_19 + -1'P_12_20 + -1'P_12_21 + -1'P_13_5 + -1'P_13_6 + -1'P_13_7 + -1'P_13_8 + -1'P_13_9 + -1'P_13_10 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_13_16 + -1'P_13_17 + -1'P_13_18 + -1'P_13_19 + -1'P_13_20 + -1'P_14_6 + -1'P_14_7 + -1'P_14_8 + -1'P_14_9 + -1'P_14_10 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_14_16 + -1'P_14_17 + -1'P_14_18 + -1'P_14_19 + -1'P_15_7 + -1'P_15_8 + -1'P_15_9 + -1'P_15_10 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_15_16 + -1'P_15_17 + -1'P_15_18 + -1'P_16_8 + -1'P_16_9 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_16_16 + -1'P_16_17 + -1'P_17_9 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_17_16 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_20_12 + -1'P_20_13 + P_22_12 + P_22_13 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + -1'cX_10 + -1'cX_11 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_33 + L_34 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 16
invariant :P_0_4 + P_3_4 + P_4_3 + P_4_4 + P_4_5 + P_5_2 + P_5_3 + 2'P_5_4 + P_5_5 + P_5_6 + P_6_3 + P_6_4 + P_6_5 + -1'P_6_8 + -1'P_6_9 + -1'P_6_10 + -1'P_6_11 + -1'P_6_12 + -1'P_6_13 + -1'P_6_14 + -1'P_6_15 + -1'P_6_16 + -1'P_6_17 + -1'P_6_18 + -1'P_6_19 + -1'P_6_20 + -1'P_6_21 + -1'P_6_22 + -1'P_6_23 + P_7_4 + -1'P_7_7 + -1'P_7_8 + -2'P_7_9 + -2'P_7_10 + -2'P_7_11 + -2'P_7_12 + -2'P_7_13 + -2'P_7_14 + -2'P_7_15 + -2'P_7_16 + -2'P_7_17 + -2'P_7_18 + -2'P_7_19 + -2'P_7_20 + -2'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_6 + -1'P_8_7 + -2'P_8_8 + -2'P_8_9 + -3'P_8_10 + -3'P_8_11 + -3'P_8_12 + -3'P_8_13 + -3'P_8_14 + -3'P_8_15 + -3'P_8_16 + -3'P_8_17 + -3'P_8_18 + -3'P_8_19 + -3'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_5 + -1'P_9_6 + -2'P_9_7 + -2'P_9_8 + -3'P_9_9 + -3'P_9_10 + -4'P_9_11 + -4'P_9_12 + -4'P_9_13 + -4'P_9_14 + -4'P_9_15 + -4'P_9_16 + -4'P_9_17 + -4'P_9_18 + -4'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_5 + -2'P_10_6 + -2'P_10_7 + -3'P_10_8 + -3'P_10_9 + -4'P_10_10 + -4'P_10_11 + -5'P_10_12 + -5'P_10_13 + -5'P_10_14 + -5'P_10_15 + -5'P_10_16 + -5'P_10_17 + -5'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_5 + -2'P_11_6 + -3'P_11_7 + -3'P_11_8 + -4'P_11_9 + -4'P_11_10 + -5'P_11_11 + -5'P_11_12 + -6'P_11_13 + -6'P_11_14 + -6'P_11_15 + -6'P_11_16 + -6'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_5 + -2'P_12_6 + -3'P_12_7 + -4'P_12_8 + -4'P_12_9 + -5'P_12_10 + -5'P_12_11 + -6'P_12_12 + -6'P_12_13 + -7'P_12_14 + -7'P_12_15 + -7'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_5 + -2'P_13_6 + -3'P_13_7 + -4'P_13_8 + -5'P_13_9 + -5'P_13_10 + -6'P_13_11 + -6'P_13_12 + -7'P_13_13 + -7'P_13_14 + -8'P_13_15 + -8'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_5 + -2'P_14_6 + -3'P_14_7 + -4'P_14_8 + -5'P_14_9 + -6'P_14_10 + -6'P_14_11 + -7'P_14_12 + -7'P_14_13 + -8'P_14_14 + -8'P_14_15 + -8'P_14_16 + -7'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_5 + -2'P_15_6 + -3'P_15_7 + -4'P_15_8 + -5'P_15_9 + -6'P_15_10 + -7'P_15_11 + -7'P_15_12 + -8'P_15_13 + -8'P_15_14 + -8'P_15_15 + -7'P_15_16 + -7'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_5 + -2'P_16_6 + -3'P_16_7 + -4'P_16_8 + -5'P_16_9 + -6'P_16_10 + -7'P_16_11 + -8'P_16_12 + -8'P_16_13 + -8'P_16_14 + -7'P_16_15 + -7'P_16_16 + -6'P_16_17 + -6'P_16_18 + -5'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_5 + -2'P_17_6 + -3'P_17_7 + -4'P_17_8 + -5'P_17_9 + -6'P_17_10 + -7'P_17_11 + -8'P_17_12 + -8'P_17_13 + -7'P_17_14 + -7'P_17_15 + -6'P_17_16 + -6'P_17_17 + -5'P_17_18 + -5'P_17_19 + -4'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_5 + -2'P_18_6 + -3'P_18_7 + -4'P_18_8 + -5'P_18_9 + -6'P_18_10 + -7'P_18_11 + -7'P_18_12 + -7'P_18_13 + -7'P_18_14 + -6'P_18_15 + -6'P_18_16 + -5'P_18_17 + -5'P_18_18 + -4'P_18_19 + -4'P_18_20 + -3'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_5 + -2'P_19_6 + -3'P_19_7 + -4'P_19_8 + -5'P_19_9 + -6'P_19_10 + -6'P_19_11 + -6'P_19_12 + -6'P_19_13 + -6'P_19_14 + -6'P_19_15 + -5'P_19_16 + -5'P_19_17 + -4'P_19_18 + -4'P_19_19 + -3'P_19_20 + -3'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_5 + -2'P_20_6 + -3'P_20_7 + -4'P_20_8 + -5'P_20_9 + -5'P_20_10 + -5'P_20_11 + -5'P_20_12 + -5'P_20_13 + -5'P_20_14 + -5'P_20_15 + -5'P_20_16 + -4'P_20_17 + -4'P_20_18 + -3'P_20_19 + -3'P_20_20 + -2'P_20_21 + -2'P_20_22 + -1'P_20_23 + -1'P_21_5 + -2'P_21_6 + -3'P_21_7 + -4'P_21_8 + -4'P_21_9 + -4'P_21_10 + -4'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -4'P_21_15 + -4'P_21_16 + -4'P_21_17 + -3'P_21_18 + -3'P_21_19 + -2'P_21_20 + -2'P_21_21 + -1'P_21_22 + -1'P_21_23 + -1'P_22_5 + -2'P_22_6 + -3'P_22_7 + -3'P_22_8 + -3'P_22_9 + -3'P_22_10 + -3'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -3'P_22_15 + -3'P_22_16 + -3'P_22_17 + -3'P_22_18 + -2'P_22_19 + -2'P_22_20 + -1'P_22_21 + -1'P_22_22 + -1'P_23_5 + -2'P_23_6 + -2'P_23_7 + -2'P_23_8 + -2'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -2'P_23_16 + -2'P_23_17 + -2'P_23_18 + -2'P_23_19 + -1'P_23_20 + -1'P_23_21 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'cX_6 + -2'cX_7 + -3'cX_8 + -4'cX_9 + -5'cX_10 + -6'cX_11 + -7'cX_12 + -8'cX_13 + -9'cX_14 + -10'cX_15 + -11'cX_16 + -12'cX_17 + -13'cX_18 + -14'cX_19 + -15'cX_20 + -16'cX_21 + -17'cX_22 + -18'cX_23 + -19'cX_24 + -1'cY_5 + -2'cY_6 + -3'cY_7 + -4'cY_8 + -5'cY_9 + -6'cY_10 + -7'cY_11 + -8'cY_12 + -9'cY_13 + -10'cY_14 + -11'cY_15 + -12'cY_16 + -13'cY_17 + -14'cY_18 + -15'cY_19 + -16'cY_20 + -17'cY_21 + -18'cY_22 + -19'cY_23 + -20'cY_24 + 11'L_0 + 10'L_1 + 10'L_2 + 9'L_3 + 9'L_4 + 8'L_5 + 8'L_6 + 7'L_7 + 7'L_8 + 6'L_9 + 6'L_10 + 5'L_11 + 5'L_12 + 4'L_13 + 4'L_14 + 3'L_15 + 3'L_16 + 2'L_17 + 2'L_18 + L_19 + L_20 + L_30 + L_31 + 2'L_32 + 2'L_33 + 3'L_34 + 3'L_35 + 4'L_36 + 4'L_37 + 5'L_38 + 5'L_39 + 6'L_40 + 6'L_41 + 7'L_42 + 7'L_43 + 8'L_44 + 8'L_45 + 9'L_46 + 9'L_47 + 10'L_48 + R_8 + R_9 + 2'R_10 + 2'R_11 + 3'R_12 + 3'R_13 + 4'R_14 + 4'R_15 + 5'R_16 + 5'R_17 + 6'R_18 + 6'R_19 + 7'R_20 + 7'R_21 + 8'R_22 + 8'R_23 + 9'R_24 + 9'R_25 + 10'R_26 + 10'R_27 + 11'R_28 + 11'R_29 + 12'R_30 + 13'R_31 + 15'R_32 + 16'R_33 + 18'R_34 + 19'R_35 + 21'R_36 + 22'R_37 + 24'R_38 + 25'R_39 + 27'R_40 + 28'R_41 + 30'R_42 + 31'R_43 + 33'R_44 + 34'R_45 + 36'R_46 + 37'R_47 + 38'R_48 + 39'R_49 = 471
invariant :P_2_3 + P_3_2 + P_3_3 + P_3_4 + P_4_3 + -1'P_4_6 + -1'P_4_7 + -1'P_4_8 + -1'P_4_9 + -1'P_4_10 + -1'P_4_11 + -1'P_4_12 + -1'P_4_13 + -1'P_4_14 + -1'P_4_15 + -1'P_4_16 + -1'P_4_17 + -1'P_4_18 + -1'P_4_19 + -1'P_4_20 + -1'P_4_21 + -1'P_4_22 + -1'P_4_23 + -1'P_5_5 + -1'P_5_6 + -2'P_5_7 + -2'P_5_8 + -2'P_5_9 + -2'P_5_10 + -2'P_5_11 + -2'P_5_12 + -2'P_5_13 + -2'P_5_14 + -2'P_5_15 + -2'P_5_16 + -2'P_5_17 + -2'P_5_18 + -2'P_5_19 + -2'P_5_20 + -2'P_5_21 + -2'P_5_22 + -1'P_5_23 + -1'P_6_4 + -1'P_6_5 + -2'P_6_6 + -2'P_6_7 + -3'P_6_8 + -3'P_6_9 + -3'P_6_10 + -3'P_6_11 + -3'P_6_12 + -3'P_6_13 + -3'P_6_14 + -3'P_6_15 + -3'P_6_16 + -3'P_6_17 + -3'P_6_18 + -3'P_6_19 + -3'P_6_20 + -3'P_6_21 + -2'P_6_22 + -1'P_6_23 + -1'P_7_4 + -2'P_7_5 + -2'P_7_6 + -3'P_7_7 + -3'P_7_8 + -4'P_7_9 + -4'P_7_10 + -4'P_7_11 + -4'P_7_12 + -4'P_7_13 + -4'P_7_14 + -4'P_7_15 + -4'P_7_16 + -4'P_7_17 + -4'P_7_18 + -4'P_7_19 + -4'P_7_20 + -3'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_4 + -2'P_8_5 + -3'P_8_6 + -3'P_8_7 + -4'P_8_8 + -4'P_8_9 + -5'P_8_10 + -5'P_8_11 + -5'P_8_12 + -5'P_8_13 + -5'P_8_14 + -5'P_8_15 + -5'P_8_16 + -5'P_8_17 + -5'P_8_18 + -5'P_8_19 + -4'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_4 + -2'P_9_5 + -3'P_9_6 + -4'P_9_7 + -4'P_9_8 + -5'P_9_9 + -5'P_9_10 + -6'P_9_11 + -6'P_9_12 + -6'P_9_13 + -6'P_9_14 + -6'P_9_15 + -6'P_9_16 + -6'P_9_17 + -6'P_9_18 + -5'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_4 + -2'P_10_5 + -3'P_10_6 + -4'P_10_7 + -5'P_10_8 + -5'P_10_9 + -6'P_10_10 + -6'P_10_11 + -7'P_10_12 + -7'P_10_13 + -7'P_10_14 + -7'P_10_15 + -7'P_10_16 + -7'P_10_17 + -6'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_4 + -2'P_11_5 + -3'P_11_6 + -4'P_11_7 + -5'P_11_8 + -6'P_11_9 + -6'P_11_10 + -7'P_11_11 + -7'P_11_12 + -8'P_11_13 + -8'P_11_14 + -8'P_11_15 + -8'P_11_16 + -7'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_4 + -2'P_12_5 + -3'P_12_6 + -4'P_12_7 + -5'P_12_8 + -6'P_12_9 + -7'P_12_10 + -7'P_12_11 + -8'P_12_12 + -8'P_12_13 + -9'P_12_14 + -9'P_12_15 + -8'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_4 + -2'P_13_5 + -3'P_13_6 + -4'P_13_7 + -5'P_13_8 + -6'P_13_9 + -7'P_13_10 + -8'P_13_11 + -8'P_13_12 + -9'P_13_13 + -9'P_13_14 + -9'P_13_15 + -8'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_4 + -2'P_14_5 + -3'P_14_6 + -4'P_14_7 + -5'P_14_8 + -6'P_14_9 + -7'P_14_10 + -8'P_14_11 + -9'P_14_12 + -9'P_14_13 + -9'P_14_14 + -8'P_14_15 + -8'P_14_16 + -7'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_4 + -2'P_15_5 + -3'P_15_6 + -4'P_15_7 + -5'P_15_8 + -6'P_15_9 + -7'P_15_10 + -8'P_15_11 + -9'P_15_12 + -9'P_15_13 + -8'P_15_14 + -8'P_15_15 + -7'P_15_16 + -7'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_4 + -2'P_16_5 + -3'P_16_6 + -4'P_16_7 + -5'P_16_8 + -6'P_16_9 + -7'P_16_10 + -8'P_16_11 + -8'P_16_12 + -8'P_16_13 + -8'P_16_14 + -7'P_16_15 + -7'P_16_16 + -6'P_16_17 + -6'P_16_18 + -5'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_4 + -2'P_17_5 + -3'P_17_6 + -4'P_17_7 + -5'P_17_8 + -6'P_17_9 + -7'P_17_10 + -7'P_17_11 + -7'P_17_12 + -7'P_17_13 + -7'P_17_14 + -7'P_17_15 + -6'P_17_16 + -6'P_17_17 + -5'P_17_18 + -5'P_17_19 + -4'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_4 + -2'P_18_5 + -3'P_18_6 + -4'P_18_7 + -5'P_18_8 + -6'P_18_9 + -6'P_18_10 + -6'P_18_11 + -6'P_18_12 + -6'P_18_13 + -6'P_18_14 + -6'P_18_15 + -6'P_18_16 + -5'P_18_17 + -5'P_18_18 + -4'P_18_19 + -4'P_18_20 + -3'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_4 + -2'P_19_5 + -3'P_19_6 + -4'P_19_7 + -5'P_19_8 + -5'P_19_9 + -5'P_19_10 + -5'P_19_11 + -5'P_19_12 + -5'P_19_13 + -5'P_19_14 + -5'P_19_15 + -5'P_19_16 + -5'P_19_17 + -4'P_19_18 + -4'P_19_19 + -3'P_19_20 + -3'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_4 + -2'P_20_5 + -3'P_20_6 + -4'P_20_7 + -4'P_20_8 + -4'P_20_9 + -4'P_20_10 + -4'P_20_11 + -4'P_20_12 + -4'P_20_13 + -4'P_20_14 + -4'P_20_15 + -4'P_20_16 + -4'P_20_17 + -4'P_20_18 + -3'P_20_19 + -3'P_20_20 + -2'P_20_21 + -2'P_20_22 + -1'P_20_23 + -1'P_21_4 + -2'P_21_5 + -3'P_21_6 + -3'P_21_7 + -3'P_21_8 + -3'P_21_9 + -3'P_21_10 + -3'P_21_11 + -3'P_21_12 + -3'P_21_13 + -3'P_21_14 + -3'P_21_15 + -3'P_21_16 + -3'P_21_17 + -3'P_21_18 + -3'P_21_19 + -2'P_21_20 + -2'P_21_21 + -1'P_21_22 + -1'P_21_23 + -1'P_22_4 + -2'P_22_5 + -2'P_22_6 + -2'P_22_7 + -2'P_22_8 + -2'P_22_9 + -2'P_22_10 + -2'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -2'P_22_15 + -2'P_22_16 + -2'P_22_17 + -2'P_22_18 + -2'P_22_19 + -2'P_22_20 + -1'P_22_21 + -1'P_22_22 + -1'P_23_4 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'P_23_21 + -1'cX_4 + -2'cX_5 + -3'cX_6 + -4'cX_7 + -5'cX_8 + -6'cX_9 + -7'cX_10 + -8'cX_11 + -9'cX_12 + -10'cX_13 + -11'cX_14 + -12'cX_15 + -13'cX_16 + -14'cX_17 + -15'cX_18 + -16'cX_19 + -17'cX_20 + -18'cX_21 + -19'cX_22 + -20'cX_23 + -21'cX_24 + -1'cY_4 + -2'cY_5 + -3'cY_6 + -4'cY_7 + -5'cY_8 + -6'cY_9 + -7'cY_10 + -8'cY_11 + -9'cY_12 + -10'cY_13 + -11'cY_14 + -12'cY_15 + -13'cY_16 + -14'cY_17 + -15'cY_18 + -16'cY_19 + -17'cY_20 + -18'cY_21 + -19'cY_22 + -20'cY_23 + -21'cY_24 + 11'L_0 + 10'L_1 + 10'L_2 + 9'L_3 + 9'L_4 + 8'L_5 + 8'L_6 + 7'L_7 + 7'L_8 + 6'L_9 + 6'L_10 + 5'L_11 + 5'L_12 + 4'L_13 + 4'L_14 + 3'L_15 + 3'L_16 + 2'L_17 + 2'L_18 + L_19 + L_20 + L_28 + L_29 + 2'L_30 + 2'L_31 + 3'L_32 + 3'L_33 + 4'L_34 + 4'L_35 + 5'L_36 + 5'L_37 + 6'L_38 + 6'L_39 + 7'L_40 + 7'L_41 + 8'L_42 + 8'L_43 + 9'L_44 + 9'L_45 + 10'L_46 + 10'L_47 + 11'L_48 + R_6 + R_7 + 2'R_8 + 2'R_9 + 3'R_10 + 3'R_11 + 4'R_12 + 4'R_13 + 5'R_14 + 5'R_15 + 6'R_16 + 6'R_17 + 7'R_18 + 7'R_19 + 8'R_20 + 8'R_21 + 9'R_22 + 9'R_23 + 10'R_24 + 10'R_25 + 11'R_26 + 11'R_27 + 12'R_28 + 13'R_29 + 15'R_30 + 16'R_31 + 18'R_32 + 19'R_33 + 21'R_34 + 22'R_35 + 24'R_36 + 25'R_37 + 27'R_38 + 28'R_39 + 30'R_40 + 31'R_41 + 33'R_42 + 34'R_43 + 36'R_44 + 37'R_45 + 39'R_46 + 40'R_47 + 41'R_48 + 42'R_49 = 515
invariant :P_2_23 + P_3_22 + P_3_23 + P_4_21 + P_4_22 + P_4_23 + P_5_20 + P_5_21 + P_5_22 + P_5_23 + P_6_19 + P_6_20 + P_6_21 + P_6_22 + P_6_23 + P_7_18 + P_7_19 + P_7_20 + P_7_21 + P_7_22 + P_7_23 + P_8_17 + P_8_18 + P_8_19 + P_8_20 + P_8_21 + P_8_22 + P_8_23 + P_9_16 + P_9_17 + P_9_18 + P_9_19 + P_9_20 + P_9_21 + P_9_22 + P_9_23 + P_10_15 + P_10_16 + P_10_17 + P_10_18 + P_10_19 + P_10_20 + P_10_21 + P_10_22 + P_10_23 + P_11_14 + P_11_15 + P_11_16 + P_11_17 + P_11_18 + P_11_19 + P_11_20 + P_11_21 + P_11_22 + P_11_23 + P_12_13 + P_12_14 + P_12_15 + P_12_16 + P_12_17 + P_12_18 + P_12_19 + P_12_20 + P_12_21 + P_12_22 + P_12_23 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_13_17 + P_13_18 + P_13_19 + P_13_20 + P_13_21 + P_13_22 + P_13_23 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_14_17 + P_14_18 + P_14_19 + P_14_20 + P_14_21 + P_14_22 + P_14_23 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_15_17 + P_15_18 + P_15_19 + P_15_20 + P_15_21 + P_15_22 + P_15_23 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_16_17 + P_16_18 + P_16_19 + P_16_20 + P_16_21 + P_16_22 + P_16_23 + P_17_8 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_17_17 + P_17_18 + P_17_19 + P_17_20 + P_17_21 + P_17_22 + P_17_23 + P_18_7 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_18_17 + P_18_18 + P_18_19 + P_18_20 + P_18_21 + P_18_22 + P_18_23 + P_19_6 + P_19_7 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_19_18 + P_19_19 + P_19_20 + P_19_21 + P_19_22 + P_19_23 + P_20_5 + P_20_6 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_20_18 + P_20_19 + P_20_20 + P_20_21 + P_20_22 + P_20_23 + P_21_4 + P_21_5 + P_21_6 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_21_19 + P_21_20 + P_21_21 + P_21_22 + P_21_23 + P_22_3 + P_22_4 + P_22_5 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_22_19 + P_22_20 + P_22_21 + P_22_22 + P_22_23 + P_23_2 + P_23_3 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_23_21 + P_23_22 + P_23_23 + -1'cX_24 + -1'cY_24 + L_0 + L_48 + R_26 + R_27 + R_28 + R_29 + R_30 + R_31 + R_32 + R_33 + R_34 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + 2'R_49 = 25
invariant :P_2_22 + P_3_21 + P_3_22 + P_3_23 + P_4_20 + P_4_21 + 2'P_4_22 + P_4_23 + P_5_19 + P_5_20 + 2'P_5_21 + 2'P_5_22 + P_5_23 + P_6_18 + P_6_19 + 2'P_6_20 + 2'P_6_21 + 2'P_6_22 + P_6_23 + P_7_17 + P_7_18 + 2'P_7_19 + 2'P_7_20 + 2'P_7_21 + 2'P_7_22 + P_7_23 + P_8_16 + P_8_17 + 2'P_8_18 + 2'P_8_19 + 2'P_8_20 + 2'P_8_21 + 2'P_8_22 + P_8_23 + P_9_15 + P_9_16 + 2'P_9_17 + 2'P_9_18 + 2'P_9_19 + 2'P_9_20 + 2'P_9_21 + 2'P_9_22 + P_9_23 + P_10_14 + P_10_15 + 2'P_10_16 + 2'P_10_17 + 2'P_10_18 + 2'P_10_19 + 2'P_10_20 + 2'P_10_21 + 2'P_10_22 + P_10_23 + P_11_13 + P_11_14 + 2'P_11_15 + 2'P_11_16 + 2'P_11_17 + 2'P_11_18 + 2'P_11_19 + 2'P_11_20 + 2'P_11_21 + 2'P_11_22 + P_11_23 + P_12_12 + P_12_13 + 2'P_12_14 + 2'P_12_15 + 2'P_12_16 + 2'P_12_17 + 2'P_12_18 + 2'P_12_19 + 2'P_12_20 + 2'P_12_21 + 2'P_12_22 + P_12_23 + P_13_11 + P_13_12 + 2'P_13_13 + 2'P_13_14 + 2'P_13_15 + 2'P_13_16 + 2'P_13_17 + 2'P_13_18 + 2'P_13_19 + 2'P_13_20 + 2'P_13_21 + 2'P_13_22 + P_13_23 + P_14_10 + P_14_11 + 2'P_14_12 + 2'P_14_13 + 2'P_14_14 + 2'P_14_15 + 2'P_14_16 + 2'P_14_17 + 2'P_14_18 + 2'P_14_19 + 2'P_14_20 + 2'P_14_21 + 2'P_14_22 + P_14_23 + P_15_9 + P_15_10 + 2'P_15_11 + 2'P_15_12 + 2'P_15_13 + 2'P_15_14 + 2'P_15_15 + 2'P_15_16 + 2'P_15_17 + 2'P_15_18 + 2'P_15_19 + 2'P_15_20 + 2'P_15_21 + 2'P_15_22 + P_15_23 + P_16_8 + P_16_9 + 2'P_16_10 + 2'P_16_11 + 2'P_16_12 + 2'P_16_13 + 2'P_16_14 + 2'P_16_15 + 2'P_16_16 + 2'P_16_17 + 2'P_16_18 + 2'P_16_19 + 2'P_16_20 + 2'P_16_21 + 2'P_16_22 + P_16_23 + P_17_7 + P_17_8 + 2'P_17_9 + 2'P_17_10 + 2'P_17_11 + 2'P_17_12 + 2'P_17_13 + 2'P_17_14 + 2'P_17_15 + 2'P_17_16 + 2'P_17_17 + 2'P_17_18 + 2'P_17_19 + 2'P_17_20 + 2'P_17_21 + 2'P_17_22 + P_17_23 + P_18_6 + P_18_7 + 2'P_18_8 + 2'P_18_9 + 2'P_18_10 + 2'P_18_11 + 2'P_18_12 + 2'P_18_13 + 2'P_18_14 + 2'P_18_15 + 2'P_18_16 + 2'P_18_17 + 2'P_18_18 + 2'P_18_19 + 2'P_18_20 + 2'P_18_21 + 2'P_18_22 + P_18_23 + P_19_5 + P_19_6 + 2'P_19_7 + 2'P_19_8 + 2'P_19_9 + 2'P_19_10 + 2'P_19_11 + 2'P_19_12 + 2'P_19_13 + 2'P_19_14 + 2'P_19_15 + 2'P_19_16 + 2'P_19_17 + 2'P_19_18 + 2'P_19_19 + 2'P_19_20 + 2'P_19_21 + 2'P_19_22 + P_19_23 + P_20_4 + P_20_5 + 2'P_20_6 + 2'P_20_7 + 2'P_20_8 + 2'P_20_9 + 2'P_20_10 + 2'P_20_11 + 2'P_20_12 + 2'P_20_13 + 2'P_20_14 + 2'P_20_15 + 2'P_20_16 + 2'P_20_17 + 2'P_20_18 + 2'P_20_19 + 2'P_20_20 + 2'P_20_21 + 2'P_20_22 + P_20_23 + P_21_3 + P_21_4 + 2'P_21_5 + 2'P_21_6 + 2'P_21_7 + 2'P_21_8 + 2'P_21_9 + 2'P_21_10 + 2'P_21_11 + 2'P_21_12 + 2'P_21_13 + 2'P_21_14 + 2'P_21_15 + 2'P_21_16 + 2'P_21_17 + 2'P_21_18 + 2'P_21_19 + 2'P_21_20 + 2'P_21_21 + 2'P_21_22 + P_21_23 + P_22_2 + P_22_3 + 2'P_22_4 + 2'P_22_5 + 2'P_22_6 + 2'P_22_7 + 2'P_22_8 + 2'P_22_9 + 2'P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + 2'P_22_16 + 2'P_22_17 + 2'P_22_18 + 2'P_22_19 + 2'P_22_20 + 2'P_22_21 + 2'P_22_22 + P_22_23 + P_23_3 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_23_21 + P_23_22 + -1'cX_23 + -2'cX_24 + -1'cY_23 + -2'cY_24 + L_0 + L_1 + L_47 + L_48 + R_25 + R_26 + 2'R_27 + 2'R_28 + 2'R_29 + 2'R_30 + 2'R_31 + 2'R_32 + 2'R_33 + 2'R_34 + 2'R_35 + 2'R_36 + 2'R_37 + 2'R_38 + 2'R_39 + 2'R_40 + 2'R_41 + 2'R_42 + 2'R_43 + 2'R_44 + 2'R_45 + 2'R_46 + 2'R_47 + 3'R_48 + 4'R_49 = 49
invariant :P_23_1 + P_23_2 + P_23_3 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_23_21 + P_23_22 + P_23_23 + P_24_2 + P_24_3 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + P_24_22 + cX_23 + cX_24 + -1'L_47 + -1'L_48 + -1'R_48 + -1'R_49 = -2
invariant :P_2_14 + P_3_13 + P_3_14 + P_3_15 + P_4_12 + P_4_13 + 2'P_4_14 + P_4_15 + P_4_16 + P_5_11 + P_5_12 + 2'P_5_13 + 2'P_5_14 + 2'P_5_15 + P_5_16 + P_5_17 + P_6_10 + P_6_11 + 2'P_6_12 + 2'P_6_13 + 3'P_6_14 + 2'P_6_15 + 2'P_6_16 + P_6_17 + P_6_18 + P_7_9 + P_7_10 + 2'P_7_11 + 2'P_7_12 + 3'P_7_13 + 3'P_7_14 + 3'P_7_15 + 2'P_7_16 + 2'P_7_17 + P_7_18 + P_7_19 + P_8_8 + P_8_9 + 2'P_8_10 + 2'P_8_11 + 3'P_8_12 + 3'P_8_13 + 4'P_8_14 + 3'P_8_15 + 3'P_8_16 + 2'P_8_17 + 2'P_8_18 + P_8_19 + P_8_20 + P_9_7 + P_9_8 + 2'P_9_9 + 2'P_9_10 + 3'P_9_11 + 3'P_9_12 + 4'P_9_13 + 4'P_9_14 + 4'P_9_15 + 3'P_9_16 + 3'P_9_17 + 2'P_9_18 + 2'P_9_19 + P_9_20 + P_9_21 + P_10_6 + P_10_7 + 2'P_10_8 + 2'P_10_9 + 3'P_10_10 + 3'P_10_11 + 4'P_10_12 + 4'P_10_13 + 5'P_10_14 + 4'P_10_15 + 4'P_10_16 + 3'P_10_17 + 3'P_10_18 + 2'P_10_19 + 2'P_10_20 + P_10_21 + P_10_22 + P_11_5 + P_11_6 + 2'P_11_7 + 2'P_11_8 + 3'P_11_9 + 3'P_11_10 + 4'P_11_11 + 4'P_11_12 + 5'P_11_13 + 5'P_11_14 + 5'P_11_15 + 4'P_11_16 + 4'P_11_17 + 3'P_11_18 + 3'P_11_19 + 2'P_11_20 + 2'P_11_21 + P_11_22 + P_11_23 + P_12_4 + P_12_5 + 2'P_12_6 + 2'P_12_7 + 3'P_12_8 + 3'P_12_9 + 4'P_12_10 + 4'P_12_11 + 5'P_12_12 + 5'P_12_13 + 6'P_12_14 + 5'P_12_15 + 5'P_12_16 + 4'P_12_17 + 4'P_12_18 + 3'P_12_19 + 3'P_12_20 + 2'P_12_21 + 2'P_12_22 + P_12_23 + P_13_3 + P_13_4 + 2'P_13_5 + 2'P_13_6 + 3'P_13_7 + 3'P_13_8 + 4'P_13_9 + 4'P_13_10 + 5'P_13_11 + 5'P_13_12 + 6'P_13_13 + 6'P_13_14 + 6'P_13_15 + 5'P_13_16 + 5'P_13_17 + 4'P_13_18 + 4'P_13_19 + 3'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_2 + P_14_3 + 2'P_14_4 + 2'P_14_5 + 3'P_14_6 + 3'P_14_7 + 4'P_14_8 + 4'P_14_9 + 5'P_14_10 + 5'P_14_11 + 6'P_14_12 + 6'P_14_13 + 7'P_14_14 + 6'P_14_15 + 6'P_14_16 + 5'P_14_17 + 5'P_14_18 + 4'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_3 + P_15_4 + 2'P_15_5 + 2'P_15_6 + 3'P_15_7 + 3'P_15_8 + 4'P_15_9 + 4'P_15_10 + 5'P_15_11 + 5'P_15_12 + 6'P_15_13 + 6'P_15_14 + 6'P_15_15 + 5'P_15_16 + 5'P_15_17 + 4'P_15_18 + 4'P_15_19 + 3'P_15_20 + 2'P_15_21 + P_15_22 + P_16_4 + P_16_5 + 2'P_16_6 + 2'P_16_7 + 3'P_16_8 + 3'P_16_9 + 4'P_16_10 + 4'P_16_11 + 5'P_16_12 + 5'P_16_13 + 6'P_16_14 + 5'P_16_15 + 5'P_16_16 + 4'P_16_17 + 4'P_16_18 + 3'P_16_19 + 2'P_16_20 + P_16_21 + P_17_5 + P_17_6 + 2'P_17_7 + 2'P_17_8 + 3'P_17_9 + 3'P_17_10 + 4'P_17_11 + 4'P_17_12 + 5'P_17_13 + 5'P_17_14 + 5'P_17_15 + 4'P_17_16 + 4'P_17_17 + 3'P_17_18 + 2'P_17_19 + P_17_20 + P_18_6 + P_18_7 + 2'P_18_8 + 2'P_18_9 + 3'P_18_10 + 3'P_18_11 + 4'P_18_12 + 4'P_18_13 + 5'P_18_14 + 4'P_18_15 + 4'P_18_16 + 3'P_18_17 + 2'P_18_18 + P_18_19 + P_19_7 + P_19_8 + 2'P_19_9 + 2'P_19_10 + 3'P_19_11 + 3'P_19_12 + 4'P_19_13 + 4'P_19_14 + 4'P_19_15 + 3'P_19_16 + 2'P_19_17 + P_19_18 + P_20_8 + P_20_9 + 2'P_20_10 + 2'P_20_11 + 3'P_20_12 + 3'P_20_13 + 4'P_20_14 + 3'P_20_15 + 2'P_20_16 + P_20_17 + P_21_9 + P_21_10 + 2'P_21_11 + 2'P_21_12 + 3'P_21_13 + 3'P_21_14 + 2'P_21_15 + P_21_16 + P_22_10 + P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + P_22_15 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + -1'cX_15 + -2'cX_16 + -3'cX_17 + -4'cX_18 + -5'cX_19 + -6'cX_20 + -7'cX_21 + -8'cX_22 + -9'cX_23 + -10'cX_24 + -1'cY_15 + -2'cY_16 + -3'cY_17 + -4'cY_18 + -5'cY_19 + -6'cY_20 + -7'cY_21 + -8'cY_22 + -9'cY_23 + -10'cY_24 + 5'L_0 + 5'L_1 + 4'L_2 + 4'L_3 + 3'L_4 + 3'L_5 + 2'L_6 + 2'L_7 + L_8 + L_9 + L_39 + L_40 + 2'L_41 + 2'L_42 + 3'L_43 + 3'L_44 + 4'L_45 + 4'L_46 + 5'L_47 + 5'L_48 + R_17 + R_18 + 2'R_19 + 2'R_20 + 3'R_21 + 3'R_22 + 4'R_23 + 4'R_24 + 5'R_25 + 5'R_26 + 6'R_27 + 6'R_28 + 7'R_29 + 7'R_30 + 8'R_31 + 8'R_32 + 9'R_33 + 9'R_34 + 10'R_35 + 10'R_36 + 10'R_37 + 10'R_38 + 10'R_39 + 11'R_40 + 12'R_41 + 13'R_42 + 14'R_43 + 15'R_44 + 16'R_45 + 17'R_46 + 18'R_47 + 19'R_48 + 20'R_49 = 245
invariant :P_20_1 + P_20_2 + P_20_3 + P_20_4 + P_20_5 + P_20_6 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_20_18 + P_20_19 + P_20_20 + P_20_21 + P_20_22 + P_20_23 + P_21_2 + P_21_3 + P_21_4 + P_21_5 + P_21_6 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_21_19 + P_21_20 + P_21_21 + P_21_22 + P_22_3 + P_22_4 + P_22_5 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_22_19 + P_22_20 + P_22_21 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -5
invariant :P_1_8 + -1'P_3_7 + -1'P_3_8 + -1'P_3_9 + -1'P_4_6 + -2'P_4_7 + -2'P_4_8 + -2'P_4_9 + -1'P_4_10 + -1'P_5_5 + -2'P_5_6 + -3'P_5_7 + -3'P_5_8 + -3'P_5_9 + -2'P_5_10 + -1'P_5_11 + -1'P_6_4 + -2'P_6_5 + -3'P_6_6 + -4'P_6_7 + -4'P_6_8 + -4'P_6_9 + -3'P_6_10 + -2'P_6_11 + -1'P_6_12 + -1'P_7_3 + -2'P_7_4 + -3'P_7_5 + -4'P_7_6 + -5'P_7_7 + -5'P_7_8 + -5'P_7_9 + -4'P_7_10 + -3'P_7_11 + -2'P_7_12 + -1'P_7_13 + -1'P_8_2 + -2'P_8_3 + -3'P_8_4 + -4'P_8_5 + -5'P_8_6 + -6'P_8_7 + -6'P_8_8 + -6'P_8_9 + -5'P_8_10 + -4'P_8_11 + -3'P_8_12 + -2'P_8_13 + -1'P_8_14 + -1'P_9_2 + -2'P_9_3 + -3'P_9_4 + -4'P_9_5 + -5'P_9_6 + -6'P_9_7 + -6'P_9_8 + -6'P_9_9 + -5'P_9_10 + -4'P_9_11 + -3'P_9_12 + -2'P_9_13 + -1'P_9_14 + P_9_16 + P_9_17 + P_9_18 + P_9_19 + P_9_20 + P_9_21 + P_9_22 + P_9_23 + -1'P_10_3 + -2'P_10_4 + -3'P_10_5 + -4'P_10_6 + -5'P_10_7 + -5'P_10_8 + -5'P_10_9 + -4'P_10_10 + -3'P_10_11 + -2'P_10_12 + -1'P_10_13 + P_10_15 + 2'P_10_16 + 3'P_10_17 + 3'P_10_18 + 3'P_10_19 + 3'P_10_20 + 3'P_10_21 + 3'P_10_22 + 2'P_10_23 + -1'P_11_4 + -2'P_11_5 + -3'P_11_6 + -4'P_11_7 + -4'P_11_8 + -4'P_11_9 + -3'P_11_10 + -2'P_11_11 + -1'P_11_12 + P_11_14 + 2'P_11_15 + 3'P_11_16 + 4'P_11_17 + 5'P_11_18 + 5'P_11_19 + 5'P_11_20 + 5'P_11_21 + 4'P_11_22 + 2'P_11_23 + -1'P_12_5 + -2'P_12_6 + -3'P_12_7 + -3'P_12_8 + -3'P_12_9 + -2'P_12_10 + -1'P_12_11 + P_12_13 + 2'P_12_14 + 3'P_12_15 + 4'P_12_16 + 5'P_12_17 + 6'P_12_18 + 7'P_12_19 + 7'P_12_20 + 6'P_12_21 + 4'P_12_22 + 2'P_12_23 + -1'P_13_6 + -2'P_13_7 + -2'P_13_8 + -2'P_13_9 + -1'P_13_10 + P_13_12 + 2'P_13_13 + 3'P_13_14 + 4'P_13_15 + 5'P_13_16 + 6'P_13_17 + 7'P_13_18 + 8'P_13_19 + 8'P_13_20 + 6'P_13_21 + 4'P_13_22 + 2'P_13_23 + -1'P_14_7 + -1'P_14_8 + -1'P_14_9 + P_14_11 + 2'P_14_12 + 3'P_14_13 + 4'P_14_14 + 5'P_14_15 + 6'P_14_16 + 7'P_14_17 + 8'P_14_18 + 8'P_14_19 + 7'P_14_20 + 6'P_14_21 + 4'P_14_22 + 2'P_14_23 + P_15_10 + 2'P_15_11 + 3'P_15_12 + 4'P_15_13 + 5'P_15_14 + 6'P_15_15 + 7'P_15_16 + 8'P_15_17 + 8'P_15_18 + 7'P_15_19 + 6'P_15_20 + 5'P_15_21 + 4'P_15_22 + 2'P_15_23 + P_16_8 + P_16_9 + 2'P_16_10 + 3'P_16_11 + 4'P_16_12 + 5'P_16_13 + 6'P_16_14 + 7'P_16_15 + 8'P_16_16 + 8'P_16_17 + 7'P_16_18 + 6'P_16_19 + 5'P_16_20 + 4'P_16_21 + 3'P_16_22 + 2'P_16_23 + P_17_8 + 2'P_17_9 + 3'P_17_10 + 4'P_17_11 + 5'P_17_12 + 6'P_17_13 + 7'P_17_14 + 8'P_17_15 + 8'P_17_16 + 7'P_17_17 + 6'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_8 + 2'P_18_9 + 4'P_18_10 + 5'P_18_11 + 6'P_18_12 + 7'P_18_13 + 8'P_18_14 + 8'P_18_15 + 7'P_18_16 + 6'P_18_17 + 5'P_18_18 + 4'P_18_19 + 3'P_18_20 + 2'P_18_21 + P_18_22 + P_19_8 + 2'P_19_9 + 4'P_19_10 + 6'P_19_11 + 7'P_19_12 + 8'P_19_13 + 8'P_19_14 + 7'P_19_15 + 6'P_19_16 + 5'P_19_17 + 4'P_19_18 + 3'P_19_19 + 2'P_19_20 + P_19_21 + P_20_8 + 2'P_20_9 + 4'P_20_10 + 6'P_20_11 + 8'P_20_12 + 8'P_20_13 + 7'P_20_14 + 6'P_20_15 + 5'P_20_16 + 4'P_20_17 + 3'P_20_18 + 2'P_20_19 + P_20_20 + P_21_8 + 2'P_21_9 + 4'P_21_10 + 6'P_21_11 + 7'P_21_12 + 7'P_21_13 + 6'P_21_14 + 5'P_21_15 + 4'P_21_16 + 3'P_21_17 + 2'P_21_18 + P_21_19 + P_22_8 + 2'P_22_9 + 4'P_22_10 + 5'P_22_11 + 5'P_22_12 + 5'P_22_13 + 5'P_22_14 + 4'P_22_15 + 3'P_22_16 + 2'P_22_17 + P_22_18 + P_23_8 + 2'P_23_9 + 3'P_23_10 + 3'P_23_11 + 3'P_23_12 + 3'P_23_13 + 3'P_23_14 + 3'P_23_15 + 2'P_23_16 + P_23_17 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + cX_9 + 3'cX_10 + 5'cX_11 + 7'cX_12 + 9'cX_13 + 11'cX_14 + 13'cX_15 + 15'cX_16 + 17'cX_17 + 19'cX_18 + 21'cX_19 + 23'cX_20 + 25'cX_21 + 27'cX_22 + 29'cX_23 + 31'cX_24 + cY_8 + 2'cY_9 + 4'cY_10 + 6'cY_11 + 8'cY_12 + 10'cY_13 + 12'cY_14 + 14'cY_15 + 16'cY_16 + 18'cY_17 + 20'cY_18 + 22'cY_19 + 24'cY_20 + 26'cY_21 + 28'cY_22 + 30'cY_23 + 32'cY_24 + -17'L_0 + -16'L_1 + -15'L_2 + -14'L_3 + -13'L_4 + -12'L_5 + -11'L_6 + -10'L_7 + -9'L_8 + -8'L_9 + -7'L_10 + -6'L_11 + -5'L_12 + -4'L_13 + -3'L_14 + -2'L_15 + -1'L_16 + -1'L_33 + -2'L_34 + -3'L_35 + -4'L_36 + -5'L_37 + -6'L_38 + -7'L_39 + -8'L_40 + -9'L_41 + -10'L_42 + -11'L_43 + -12'L_44 + -13'L_45 + -14'L_46 + -15'L_47 + -16'L_48 + -1'R_11 + -2'R_12 + -3'R_13 + -4'R_14 + -5'R_15 + -6'R_16 + -7'R_17 + -8'R_18 + -9'R_19 + -10'R_20 + -11'R_21 + -12'R_22 + -13'R_23 + -14'R_24 + -15'R_25 + -16'R_26 + -17'R_27 + -18'R_28 + -19'R_29 + -20'R_30 + -21'R_31 + -22'R_32 + -23'R_33 + -25'R_34 + -28'R_35 + -31'R_36 + -34'R_37 + -37'R_38 + -40'R_39 + -43'R_40 + -46'R_41 + -49'R_42 + -51'R_43 + -53'R_44 + -55'R_45 + -57'R_46 + -59'R_47 + -61'R_48 + -63'R_49 = -768
invariant :P_12_24 + P_13_23 + P_14_22 + P_15_21 + P_16_20 + P_17_19 + P_18_18 + P_19_17 + P_20_16 + P_21_15 + P_22_14 + P_23_13 + P_24_12 + R_37 = 1
invariant :P_17_1 + P_17_2 + P_17_3 + P_17_4 + P_17_5 + P_17_6 + P_17_7 + P_17_8 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_17_17 + P_17_18 + P_17_19 + P_17_20 + P_17_21 + P_17_22 + P_17_23 + P_18_2 + P_18_3 + P_18_4 + P_18_5 + P_18_6 + P_18_7 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_18_17 + P_18_18 + P_18_19 + P_18_20 + P_18_21 + P_18_22 + P_19_3 + P_19_4 + P_19_5 + P_19_6 + P_19_7 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_19_18 + P_19_19 + P_19_20 + P_19_21 + P_20_4 + P_20_5 + P_20_6 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_20_18 + P_20_19 + P_20_20 + P_21_5 + P_21_6 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_21_19 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -8
invariant :cX_1 + -3'cX_3 + -8'cX_4 + -15'cX_5 + -24'cX_6 + -35'cX_7 + -48'cX_8 + -63'cX_9 + -80'cX_10 + -99'cX_11 + -120'cX_12 + -143'cX_13 + -168'cX_14 + -195'cX_15 + -224'cX_16 + -255'cX_17 + -288'cX_18 + -323'cX_19 + -360'cX_20 + -399'cX_21 + -440'cX_22 + -483'cX_23 + -528'cX_24 + -2'cY_2 + -6'cY_3 + -12'cY_4 + -20'cY_5 + -30'cY_6 + -42'cY_7 + -56'cY_8 + -72'cY_9 + -90'cY_10 + -110'cY_11 + -132'cY_12 + -156'cY_13 + -182'cY_14 + -210'cY_15 + -240'cY_16 + -272'cY_17 + -306'cY_18 + -342'cY_19 + -380'cY_20 + -420'cY_21 + -462'cY_22 + -506'cY_23 + -552'cY_24 + 300'L_0 + 275'L_1 + 253'L_2 + 230'L_3 + 210'L_4 + 189'L_5 + 171'L_6 + 152'L_7 + 136'L_8 + 119'L_9 + 105'L_10 + 90'L_11 + 78'L_12 + 65'L_13 + 55'L_14 + 44'L_15 + 36'L_16 + 27'L_17 + 21'L_18 + 14'L_19 + 10'L_20 + 5'L_21 + 3'L_22 + -1'L_25 + L_26 + 2'L_27 + 6'L_28 + 9'L_29 + 15'L_30 + 20'L_31 + 28'L_32 + 35'L_33 + 45'L_34 + 54'L_35 + 66'L_36 + 77'L_37 + 91'L_38 + 104'L_39 + 120'L_40 + 135'L_41 + 153'L_42 + 170'L_43 + 190'L_44 + 209'L_45 + 231'L_46 + 252'L_47 + 276'L_48 + -1'R_3 + R_4 + 2'R_5 + 6'R_6 + 9'R_7 + 15'R_8 + 20'R_9 + 28'R_10 + 35'R_11 + 45'R_12 + 54'R_13 + 66'R_14 + 77'R_15 + 91'R_16 + 104'R_17 + 120'R_18 + 135'R_19 + 153'R_20 + 170'R_21 + 190'R_22 + 209'R_23 + 231'R_24 + 252'R_25 + 276'R_26 + 299'R_27 + 325'R_28 + 350'R_29 + 378'R_30 + 405'R_31 + 435'R_32 + 464'R_33 + 496'R_34 + 527'R_35 + 561'R_36 + 594'R_37 + 630'R_38 + 665'R_39 + 703'R_40 + 740'R_41 + 780'R_42 + 819'R_43 + 861'R_44 + 902'R_45 + 946'R_46 + 989'R_47 + 1035'R_48 + 1080'R_49 = 13248
invariant :P_13_0 + -1'P_14_2 + -1'P_14_3 + -1'P_14_4 + -1'P_14_5 + -1'P_14_6 + -1'P_14_7 + -1'P_14_8 + -1'P_14_9 + -1'P_14_10 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_14_16 + -1'P_14_17 + -1'P_14_18 + -1'P_14_19 + -1'P_14_20 + -1'P_14_21 + -1'P_14_22 + -1'P_14_23 + -1'P_15_3 + -1'P_15_4 + -1'P_15_5 + -1'P_15_6 + -1'P_15_7 + -1'P_15_8 + -1'P_15_9 + -1'P_15_10 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_15_16 + -1'P_15_17 + -1'P_15_18 + -1'P_15_19 + -1'P_15_20 + -1'P_15_21 + -1'P_15_22 + -1'P_16_4 + -1'P_16_5 + -1'P_16_6 + -1'P_16_7 + -1'P_16_8 + -1'P_16_9 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_16_16 + -1'P_16_17 + -1'P_16_18 + -1'P_16_19 + -1'P_16_20 + -1'P_16_21 + -1'P_17_5 + -1'P_17_6 + -1'P_17_7 + -1'P_17_8 + -1'P_17_9 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_17_16 + -1'P_17_17 + -1'P_17_18 + -1'P_17_19 + -1'P_17_20 + -1'P_18_6 + -1'P_18_7 + -1'P_18_8 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_18_16 + -1'P_18_17 + -1'P_18_18 + -1'P_18_19 + -1'P_19_7 + -1'P_19_8 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_19_17 + -1'P_19_18 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_24_12 + -1'P_24_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 12
invariant :P_15_1 + P_15_2 + P_15_3 + P_15_4 + P_15_5 + P_15_6 + P_15_7 + P_15_8 + P_15_9 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_15_17 + P_15_18 + P_15_19 + P_15_20 + P_15_21 + P_15_22 + P_15_23 + P_16_2 + P_16_3 + P_16_4 + P_16_5 + P_16_6 + P_16_7 + P_16_8 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_16_17 + P_16_18 + P_16_19 + P_16_20 + P_16_21 + P_16_22 + P_17_3 + P_17_4 + P_17_5 + P_17_6 + P_17_7 + P_17_8 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_17_16 + P_17_17 + P_17_18 + P_17_19 + P_17_20 + P_17_21 + P_18_4 + P_18_5 + P_18_6 + P_18_7 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_18_17 + P_18_18 + P_18_19 + P_18_20 + P_19_5 + P_19_6 + P_19_7 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_19_18 + P_19_19 + P_20_6 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_20_18 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -10
invariant :P_22_0 + -1'P_23_2 + -1'P_23_3 + -1'P_23_4 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'P_23_21 + -1'P_23_22 + -1'P_23_23 + -1'P_24_3 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + -1'P_24_22 + -1'cX_23 + -1'cX_24 + L_46 + L_47 + L_48 + R_48 + R_49 = 3
invariant :P_8_24 + P_9_23 + P_10_22 + P_11_21 + P_12_20 + P_13_19 + P_14_18 + P_15_17 + P_16_16 + P_17_15 + P_18_14 + P_19_13 + P_20_12 + P_21_11 + P_22_10 + P_23_9 + P_24_8 + R_33 = 1
invariant :P_0_10 + P_3_10 + P_4_9 + P_4_10 + P_4_11 + P_5_8 + P_5_9 + 2'P_5_10 + P_5_11 + P_5_12 + P_6_7 + P_6_8 + 2'P_6_9 + 2'P_6_10 + 2'P_6_11 + P_6_12 + P_6_13 + P_7_6 + P_7_7 + 2'P_7_8 + 2'P_7_9 + 3'P_7_10 + 2'P_7_11 + 2'P_7_12 + P_7_13 + P_7_14 + P_8_5 + P_8_6 + 2'P_8_7 + 2'P_8_8 + 3'P_8_9 + 3'P_8_10 + 3'P_8_11 + 2'P_8_12 + 2'P_8_13 + P_8_14 + P_8_15 + P_9_4 + P_9_5 + 2'P_9_6 + 2'P_9_7 + 3'P_9_8 + 3'P_9_9 + 4'P_9_10 + 3'P_9_11 + 3'P_9_12 + 2'P_9_13 + 2'P_9_14 + P_9_15 + P_9_16 + P_10_3 + P_10_4 + 2'P_10_5 + 2'P_10_6 + 3'P_10_7 + 3'P_10_8 + 4'P_10_9 + 4'P_10_10 + 4'P_10_11 + 3'P_10_12 + 3'P_10_13 + 2'P_10_14 + 2'P_10_15 + P_10_16 + P_10_17 + P_11_2 + P_11_3 + 2'P_11_4 + 2'P_11_5 + 3'P_11_6 + 3'P_11_7 + 4'P_11_8 + 4'P_11_9 + 5'P_11_10 + 4'P_11_11 + 4'P_11_12 + 3'P_11_13 + 3'P_11_14 + 2'P_11_15 + 2'P_11_16 + P_11_17 + P_11_18 + P_12_3 + P_12_4 + 2'P_12_5 + 2'P_12_6 + 3'P_12_7 + 3'P_12_8 + 4'P_12_9 + 4'P_12_10 + 4'P_12_11 + 3'P_12_12 + 3'P_12_13 + 2'P_12_14 + 2'P_12_15 + P_12_16 + P_12_17 + -1'P_12_20 + -1'P_12_21 + -1'P_12_22 + -1'P_12_23 + P_13_4 + P_13_5 + 2'P_13_6 + 2'P_13_7 + 3'P_13_8 + 3'P_13_9 + 4'P_13_10 + 3'P_13_11 + 3'P_13_12 + 2'P_13_13 + 2'P_13_14 + P_13_15 + P_13_16 + -1'P_13_19 + -1'P_13_20 + -2'P_13_21 + -2'P_13_22 + -1'P_13_23 + P_14_5 + P_14_6 + 2'P_14_7 + 2'P_14_8 + 3'P_14_9 + 3'P_14_10 + 3'P_14_11 + 2'P_14_12 + 2'P_14_13 + P_14_14 + P_14_15 + -1'P_14_18 + -1'P_14_19 + -2'P_14_20 + -2'P_14_21 + -2'P_14_22 + -1'P_14_23 + P_15_6 + P_15_7 + 2'P_15_8 + 2'P_15_9 + 3'P_15_10 + 2'P_15_11 + 2'P_15_12 + P_15_13 + P_15_14 + -1'P_15_17 + -1'P_15_18 + -2'P_15_19 + -2'P_15_20 + -2'P_15_21 + -1'P_15_22 + -1'P_15_23 + P_16_7 + P_16_8 + 2'P_16_9 + 2'P_16_10 + 2'P_16_11 + P_16_12 + P_16_13 + -1'P_16_16 + -1'P_16_17 + -2'P_16_18 + -2'P_16_19 + -2'P_16_20 + -1'P_16_21 + -1'P_16_22 + P_17_8 + P_17_9 + 2'P_17_10 + P_17_11 + P_17_12 + -1'P_17_15 + -1'P_17_16 + -2'P_17_17 + -2'P_17_18 + -2'P_17_19 + -1'P_17_20 + -1'P_17_21 + P_18_9 + P_18_10 + P_18_11 + -1'P_18_14 + -1'P_18_15 + -2'P_18_16 + -2'P_18_17 + -2'P_18_18 + -1'P_18_19 + -1'P_18_20 + P_19_10 + -1'P_19_13 + -1'P_19_14 + -2'P_19_15 + -2'P_19_16 + -2'P_19_17 + -1'P_19_18 + -1'P_19_19 + -1'P_20_12 + -1'P_20_13 + -2'P_20_14 + -2'P_20_15 + -2'P_20_16 + -1'P_20_17 + -1'P_20_18 + -1'P_21_11 + -1'P_21_12 + -2'P_21_13 + -2'P_21_14 + -2'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_23_11 + -2'P_23_12 + -2'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'cX_12 + -2'cX_13 + -3'cX_14 + -4'cX_15 + -5'cX_16 + -6'cX_17 + -7'cX_18 + -8'cX_19 + -9'cX_20 + -10'cX_21 + -11'cX_22 + -12'cX_23 + -13'cX_24 + -1'cY_11 + -2'cY_12 + -3'cY_13 + -4'cY_14 + -5'cY_15 + -6'cY_16 + -7'cY_17 + -8'cY_18 + -9'cY_19 + -10'cY_20 + -11'cY_21 + -12'cY_22 + -13'cY_23 + -14'cY_24 + 8'L_0 + 7'L_1 + 7'L_2 + 6'L_3 + 6'L_4 + 5'L_5 + 5'L_6 + 4'L_7 + 4'L_8 + 3'L_9 + 3'L_10 + 2'L_11 + 2'L_12 + L_13 + L_14 + L_36 + L_37 + 2'L_38 + 2'L_39 + 3'L_40 + 3'L_41 + 4'L_42 + 4'L_43 + 5'L_44 + 5'L_45 + 6'L_46 + 6'L_47 + 7'L_48 + R_14 + R_15 + 2'R_16 + 2'R_17 + 3'R_18 + 3'R_19 + 4'R_20 + 4'R_21 + 5'R_22 + 5'R_23 + 6'R_24 + 6'R_25 + 7'R_26 + 7'R_27 + 8'R_28 + 8'R_29 + 9'R_30 + 9'R_31 + 10'R_32 + 10'R_33 + 11'R_34 + 11'R_35 + 12'R_36 + 13'R_37 + 15'R_38 + 16'R_39 + 18'R_40 + 19'R_41 + 20'R_42 + 21'R_43 + 22'R_44 + 23'R_45 + 24'R_46 + 25'R_47 + 26'R_48 + 27'R_49 = 330
invariant :P_0_8 + P_3_8 + P_4_7 + P_4_8 + P_4_9 + P_5_6 + P_5_7 + 2'P_5_8 + P_5_9 + P_5_10 + P_6_5 + P_6_6 + 2'P_6_7 + 2'P_6_8 + 2'P_6_9 + P_6_10 + P_6_11 + P_7_4 + P_7_5 + 2'P_7_6 + 2'P_7_7 + 3'P_7_8 + 2'P_7_9 + 2'P_7_10 + P_7_11 + P_7_12 + P_8_3 + P_8_4 + 2'P_8_5 + 2'P_8_6 + 3'P_8_7 + 3'P_8_8 + 3'P_8_9 + 2'P_8_10 + 2'P_8_11 + P_8_12 + P_8_13 + P_9_2 + P_9_3 + 2'P_9_4 + 2'P_9_5 + 3'P_9_6 + 3'P_9_7 + 4'P_9_8 + 3'P_9_9 + 3'P_9_10 + 2'P_9_11 + 2'P_9_12 + P_9_13 + P_9_14 + P_10_3 + P_10_4 + 2'P_10_5 + 2'P_10_6 + 3'P_10_7 + 3'P_10_8 + 3'P_10_9 + 2'P_10_10 + 2'P_10_11 + P_10_12 + P_10_13 + -1'P_10_16 + -1'P_10_17 + -1'P_10_18 + -1'P_10_19 + -1'P_10_20 + -1'P_10_21 + -1'P_10_22 + -1'P_10_23 + P_11_4 + P_11_5 + 2'P_11_6 + 2'P_11_7 + 3'P_11_8 + 2'P_11_9 + 2'P_11_10 + P_11_11 + P_11_12 + -1'P_11_15 + -1'P_11_16 + -2'P_11_17 + -2'P_11_18 + -2'P_11_19 + -2'P_11_20 + -2'P_11_21 + -2'P_11_22 + -1'P_11_23 + P_12_5 + P_12_6 + 2'P_12_7 + 2'P_12_8 + 2'P_12_9 + P_12_10 + P_12_11 + -1'P_12_14 + -1'P_12_15 + -2'P_12_16 + -2'P_12_17 + -3'P_12_18 + -3'P_12_19 + -3'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + P_13_6 + P_13_7 + 2'P_13_8 + P_13_9 + P_13_10 + -1'P_13_13 + -1'P_13_14 + -2'P_13_15 + -2'P_13_16 + -3'P_13_17 + -3'P_13_18 + -4'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + P_14_7 + P_14_8 + P_14_9 + -1'P_14_12 + -1'P_14_13 + -2'P_14_14 + -2'P_14_15 + -3'P_14_16 + -3'P_14_17 + -4'P_14_18 + -4'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + P_15_8 + -1'P_15_11 + -1'P_15_12 + -2'P_15_13 + -2'P_15_14 + -3'P_15_15 + -3'P_15_16 + -4'P_15_17 + -4'P_15_18 + -4'P_15_19 + -3'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_10 + -1'P_16_11 + -2'P_16_12 + -2'P_16_13 + -3'P_16_14 + -3'P_16_15 + -4'P_16_16 + -4'P_16_17 + -4'P_16_18 + -3'P_16_19 + -3'P_16_20 + -2'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_9 + -1'P_17_10 + -2'P_17_11 + -2'P_17_12 + -3'P_17_13 + -3'P_17_14 + -4'P_17_15 + -4'P_17_16 + -4'P_17_17 + -3'P_17_18 + -3'P_17_19 + -2'P_17_20 + -2'P_17_21 + -1'P_17_22 + -1'P_17_23 + -1'P_18_9 + -2'P_18_10 + -2'P_18_11 + -3'P_18_12 + -3'P_18_13 + -4'P_18_14 + -4'P_18_15 + -4'P_18_16 + -3'P_18_17 + -3'P_18_18 + -2'P_18_19 + -2'P_18_20 + -1'P_18_21 + -1'P_18_22 + -1'P_19_9 + -2'P_19_10 + -3'P_19_11 + -3'P_19_12 + -4'P_19_13 + -4'P_19_14 + -4'P_19_15 + -3'P_19_16 + -3'P_19_17 + -2'P_19_18 + -2'P_19_19 + -1'P_19_20 + -1'P_19_21 + -1'P_20_9 + -2'P_20_10 + -3'P_20_11 + -4'P_20_12 + -4'P_20_13 + -4'P_20_14 + -3'P_20_15 + -3'P_20_16 + -2'P_20_17 + -2'P_20_18 + -1'P_20_19 + -1'P_20_20 + -1'P_21_9 + -2'P_21_10 + -3'P_21_11 + -4'P_21_12 + -4'P_21_13 + -3'P_21_14 + -3'P_21_15 + -2'P_21_16 + -2'P_21_17 + -1'P_21_18 + -1'P_21_19 + -1'P_22_9 + -2'P_22_10 + -3'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -2'P_22_15 + -2'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'cX_10 + -2'cX_11 + -3'cX_12 + -4'cX_13 + -5'cX_14 + -6'cX_15 + -7'cX_16 + -8'cX_17 + -9'cX_18 + -10'cX_19 + -11'cX_20 + -12'cX_21 + -13'cX_22 + -14'cX_23 + -15'cX_24 + -1'cY_9 + -2'cY_10 + -3'cY_11 + -4'cY_12 + -5'cY_13 + -6'cY_14 + -7'cY_15 + -8'cY_16 + -9'cY_17 + -10'cY_18 + -11'cY_19 + -12'cY_20 + -13'cY_21 + -14'cY_22 + -15'cY_23 + -16'cY_24 + 9'L_0 + 8'L_1 + 8'L_2 + 7'L_3 + 7'L_4 + 6'L_5 + 6'L_6 + 5'L_7 + 5'L_8 + 4'L_9 + 4'L_10 + 3'L_11 + 3'L_12 + 2'L_13 + 2'L_14 + L_15 + L_16 + L_34 + L_35 + 2'L_36 + 2'L_37 + 3'L_38 + 3'L_39 + 4'L_40 + 4'L_41 + 5'L_42 + 5'L_43 + 6'L_44 + 6'L_45 + 7'L_46 + 7'L_47 + 8'L_48 + R_12 + R_13 + 2'R_14 + 2'R_15 + 3'R_16 + 3'R_17 + 4'R_18 + 4'R_19 + 5'R_20 + 5'R_21 + 6'R_22 + 6'R_23 + 7'R_24 + 7'R_25 + 8'R_26 + 8'R_27 + 9'R_28 + 9'R_29 + 10'R_30 + 10'R_31 + 11'R_32 + 11'R_33 + 12'R_34 + 13'R_35 + 15'R_36 + 16'R_37 + 18'R_38 + 19'R_39 + 21'R_40 + 22'R_41 + 24'R_42 + 25'R_43 + 26'R_44 + 27'R_45 + 28'R_46 + 29'R_47 + 30'R_48 + 31'R_49 = 377
invariant :P_0_18 + P_3_18 + P_4_17 + P_4_18 + P_4_19 + P_5_16 + P_5_17 + 2'P_5_18 + P_5_19 + P_5_20 + P_6_15 + P_6_16 + 2'P_6_17 + 2'P_6_18 + 2'P_6_19 + P_6_20 + P_6_21 + P_7_14 + P_7_15 + 2'P_7_16 + 2'P_7_17 + 3'P_7_18 + 2'P_7_19 + 2'P_7_20 + P_7_21 + P_7_22 + P_8_13 + P_8_14 + 2'P_8_15 + 2'P_8_16 + 3'P_8_17 + 3'P_8_18 + 3'P_8_19 + 2'P_8_20 + 2'P_8_21 + P_8_22 + P_8_23 + P_9_12 + P_9_13 + 2'P_9_14 + 2'P_9_15 + 3'P_9_16 + 3'P_9_17 + 4'P_9_18 + 3'P_9_19 + 3'P_9_20 + 2'P_9_21 + 2'P_9_22 + P_9_23 + P_10_11 + P_10_12 + 2'P_10_13 + 2'P_10_14 + 3'P_10_15 + 3'P_10_16 + 4'P_10_17 + 4'P_10_18 + 4'P_10_19 + 3'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_10 + P_11_11 + 2'P_11_12 + 2'P_11_13 + 3'P_11_14 + 3'P_11_15 + 4'P_11_16 + 4'P_11_17 + 5'P_11_18 + 4'P_11_19 + 4'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_9 + P_12_10 + 2'P_12_11 + 2'P_12_12 + 3'P_12_13 + 3'P_12_14 + 4'P_12_15 + 4'P_12_16 + 5'P_12_17 + 5'P_12_18 + 5'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_8 + P_13_9 + 2'P_13_10 + 2'P_13_11 + 3'P_13_12 + 3'P_13_13 + 4'P_13_14 + 4'P_13_15 + 5'P_13_16 + 5'P_13_17 + 6'P_13_18 + 5'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_7 + P_14_8 + 2'P_14_9 + 2'P_14_10 + 3'P_14_11 + 3'P_14_12 + 4'P_14_13 + 4'P_14_14 + 5'P_14_15 + 5'P_14_16 + 6'P_14_17 + 6'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_6 + P_15_7 + 2'P_15_8 + 2'P_15_9 + 3'P_15_10 + 3'P_15_11 + 4'P_15_12 + 4'P_15_13 + 5'P_15_14 + 5'P_15_15 + 6'P_15_16 + 6'P_15_17 + 6'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_5 + P_16_6 + 2'P_16_7 + 2'P_16_8 + 3'P_16_9 + 3'P_16_10 + 4'P_16_11 + 4'P_16_12 + 5'P_16_13 + 5'P_16_14 + 6'P_16_15 + 6'P_16_16 + 6'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_4 + P_17_5 + 2'P_17_6 + 2'P_17_7 + 3'P_17_8 + 3'P_17_9 + 4'P_17_10 + 4'P_17_11 + 5'P_17_12 + 5'P_17_13 + 6'P_17_14 + 6'P_17_15 + 6'P_17_16 + 6'P_17_17 + 6'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_3 + P_18_4 + 2'P_18_5 + 2'P_18_6 + 3'P_18_7 + 3'P_18_8 + 4'P_18_9 + 4'P_18_10 + 5'P_18_11 + 5'P_18_12 + 6'P_18_13 + 6'P_18_14 + 6'P_18_15 + 6'P_18_16 + 6'P_18_17 + 6'P_18_18 + 5'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_2 + P_19_3 + 2'P_19_4 + 2'P_19_5 + 3'P_19_6 + 3'P_19_7 + 4'P_19_8 + 4'P_19_9 + 5'P_19_10 + 5'P_19_11 + 6'P_19_12 + 6'P_19_13 + 6'P_19_14 + 6'P_19_15 + 6'P_19_16 + 6'P_19_17 + 6'P_19_18 + 5'P_19_19 + 4'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_3 + P_20_4 + 2'P_20_5 + 2'P_20_6 + 3'P_20_7 + 3'P_20_8 + 4'P_20_9 + 4'P_20_10 + 5'P_20_11 + 5'P_20_12 + 5'P_20_13 + 5'P_20_14 + 5'P_20_15 + 5'P_20_16 + 5'P_20_17 + 5'P_20_18 + 4'P_20_19 + 3'P_20_20 + 2'P_20_21 + P_20_22 + P_21_4 + P_21_5 + 2'P_21_6 + 2'P_21_7 + 3'P_21_8 + 3'P_21_9 + 4'P_21_10 + 4'P_21_11 + 4'P_21_12 + 4'P_21_13 + 4'P_21_14 + 4'P_21_15 + 4'P_21_16 + 4'P_21_17 + 4'P_21_18 + 3'P_21_19 + 2'P_21_20 + P_21_21 + P_22_5 + P_22_6 + 2'P_22_7 + 2'P_22_8 + 3'P_22_9 + 3'P_22_10 + 3'P_22_11 + 3'P_22_12 + 3'P_22_13 + 3'P_22_14 + 3'P_22_15 + 3'P_22_16 + 3'P_22_17 + 3'P_22_18 + 2'P_22_19 + P_22_20 + P_23_6 + P_23_7 + 2'P_23_8 + 2'P_23_9 + 2'P_23_10 + 2'P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + 2'P_23_15 + 2'P_23_16 + 2'P_23_17 + 2'P_23_18 + P_23_19 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + -1'cX_20 + -2'cX_21 + -3'cX_22 + -4'cX_23 + -5'cX_24 + -1'cY_19 + -2'cY_20 + -3'cY_21 + -4'cY_22 + -5'cY_23 + -6'cY_24 + 4'L_0 + 3'L_1 + 3'L_2 + 2'L_3 + 2'L_4 + L_5 + L_6 + L_44 + L_45 + 2'L_46 + 2'L_47 + 3'L_48 + R_22 + R_23 + 2'R_24 + 2'R_25 + 3'R_26 + 3'R_27 + 4'R_28 + 4'R_29 + 5'R_30 + 5'R_31 + 6'R_32 + 6'R_33 + 6'R_34 + 6'R_35 + 6'R_36 + 6'R_37 + 6'R_38 + 6'R_39 + 6'R_40 + 6'R_41 + 6'R_42 + 6'R_43 + 6'R_44 + 7'R_45 + 8'R_46 + 9'R_47 + 10'R_48 + 11'R_49 = 142
invariant :P_0_14 + P_3_14 + P_4_13 + P_4_14 + P_4_15 + P_5_12 + P_5_13 + 2'P_5_14 + P_5_15 + P_5_16 + P_6_11 + P_6_12 + 2'P_6_13 + 2'P_6_14 + 2'P_6_15 + P_6_16 + P_6_17 + P_7_10 + P_7_11 + 2'P_7_12 + 2'P_7_13 + 3'P_7_14 + 2'P_7_15 + 2'P_7_16 + P_7_17 + P_7_18 + P_8_9 + P_8_10 + 2'P_8_11 + 2'P_8_12 + 3'P_8_13 + 3'P_8_14 + 3'P_8_15 + 2'P_8_16 + 2'P_8_17 + P_8_18 + P_8_19 + P_9_8 + P_9_9 + 2'P_9_10 + 2'P_9_11 + 3'P_9_12 + 3'P_9_13 + 4'P_9_14 + 3'P_9_15 + 3'P_9_16 + 2'P_9_17 + 2'P_9_18 + P_9_19 + P_9_20 + P_10_7 + P_10_8 + 2'P_10_9 + 2'P_10_10 + 3'P_10_11 + 3'P_10_12 + 4'P_10_13 + 4'P_10_14 + 4'P_10_15 + 3'P_10_16 + 3'P_10_17 + 2'P_10_18 + 2'P_10_19 + P_10_20 + P_10_21 + P_11_6 + P_11_7 + 2'P_11_8 + 2'P_11_9 + 3'P_11_10 + 3'P_11_11 + 4'P_11_12 + 4'P_11_13 + 5'P_11_14 + 4'P_11_15 + 4'P_11_16 + 3'P_11_17 + 3'P_11_18 + 2'P_11_19 + 2'P_11_20 + P_11_21 + P_11_22 + P_12_5 + P_12_6 + 2'P_12_7 + 2'P_12_8 + 3'P_12_9 + 3'P_12_10 + 4'P_12_11 + 4'P_12_12 + 5'P_12_13 + 5'P_12_14 + 5'P_12_15 + 4'P_12_16 + 4'P_12_17 + 3'P_12_18 + 3'P_12_19 + 2'P_12_20 + 2'P_12_21 + P_12_22 + P_12_23 + P_13_4 + P_13_5 + 2'P_13_6 + 2'P_13_7 + 3'P_13_8 + 3'P_13_9 + 4'P_13_10 + 4'P_13_11 + 5'P_13_12 + 5'P_13_13 + 6'P_13_14 + 5'P_13_15 + 5'P_13_16 + 4'P_13_17 + 4'P_13_18 + 3'P_13_19 + 3'P_13_20 + 2'P_13_21 + 2'P_13_22 + P_13_23 + P_14_3 + P_14_4 + 2'P_14_5 + 2'P_14_6 + 3'P_14_7 + 3'P_14_8 + 4'P_14_9 + 4'P_14_10 + 5'P_14_11 + 5'P_14_12 + 6'P_14_13 + 6'P_14_14 + 6'P_14_15 + 5'P_14_16 + 5'P_14_17 + 4'P_14_18 + 4'P_14_19 + 3'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_2 + P_15_3 + 2'P_15_4 + 2'P_15_5 + 3'P_15_6 + 3'P_15_7 + 4'P_15_8 + 4'P_15_9 + 5'P_15_10 + 5'P_15_11 + 6'P_15_12 + 6'P_15_13 + 7'P_15_14 + 6'P_15_15 + 6'P_15_16 + 5'P_15_17 + 5'P_15_18 + 4'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_3 + P_16_4 + 2'P_16_5 + 2'P_16_6 + 3'P_16_7 + 3'P_16_8 + 4'P_16_9 + 4'P_16_10 + 5'P_16_11 + 5'P_16_12 + 6'P_16_13 + 6'P_16_14 + 6'P_16_15 + 5'P_16_16 + 5'P_16_17 + 4'P_16_18 + 4'P_16_19 + 3'P_16_20 + 2'P_16_21 + P_16_22 + P_17_4 + P_17_5 + 2'P_17_6 + 2'P_17_7 + 3'P_17_8 + 3'P_17_9 + 4'P_17_10 + 4'P_17_11 + 5'P_17_12 + 5'P_17_13 + 6'P_17_14 + 5'P_17_15 + 5'P_17_16 + 4'P_17_17 + 4'P_17_18 + 3'P_17_19 + 2'P_17_20 + P_17_21 + P_18_5 + P_18_6 + 2'P_18_7 + 2'P_18_8 + 3'P_18_9 + 3'P_18_10 + 4'P_18_11 + 4'P_18_12 + 5'P_18_13 + 5'P_18_14 + 5'P_18_15 + 4'P_18_16 + 4'P_18_17 + 3'P_18_18 + 2'P_18_19 + P_18_20 + P_19_6 + P_19_7 + 2'P_19_8 + 2'P_19_9 + 3'P_19_10 + 3'P_19_11 + 4'P_19_12 + 4'P_19_13 + 5'P_19_14 + 4'P_19_15 + 4'P_19_16 + 3'P_19_17 + 2'P_19_18 + P_19_19 + P_20_7 + P_20_8 + 2'P_20_9 + 2'P_20_10 + 3'P_20_11 + 3'P_20_12 + 4'P_20_13 + 4'P_20_14 + 4'P_20_15 + 3'P_20_16 + 2'P_20_17 + P_20_18 + P_21_8 + P_21_9 + 2'P_21_10 + 2'P_21_11 + 3'P_21_12 + 3'P_21_13 + 4'P_21_14 + 3'P_21_15 + 2'P_21_16 + P_21_17 + P_22_9 + P_22_10 + 2'P_22_11 + 2'P_22_12 + 3'P_22_13 + 3'P_22_14 + 2'P_22_15 + P_22_16 + P_23_10 + P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + P_23_15 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + -1'cX_16 + -2'cX_17 + -3'cX_18 + -4'cX_19 + -5'cX_20 + -6'cX_21 + -7'cX_22 + -8'cX_23 + -9'cX_24 + -1'cY_15 + -2'cY_16 + -3'cY_17 + -4'cY_18 + -5'cY_19 + -6'cY_20 + -7'cY_21 + -8'cY_22 + -9'cY_23 + -10'cY_24 + 6'L_0 + 5'L_1 + 5'L_2 + 4'L_3 + 4'L_4 + 3'L_5 + 3'L_6 + 2'L_7 + 2'L_8 + L_9 + L_10 + L_40 + L_41 + 2'L_42 + 2'L_43 + 3'L_44 + 3'L_45 + 4'L_46 + 4'L_47 + 5'L_48 + R_18 + R_19 + 2'R_20 + 2'R_21 + 3'R_22 + 3'R_23 + 4'R_24 + 4'R_25 + 5'R_26 + 5'R_27 + 6'R_28 + 6'R_29 + 7'R_30 + 7'R_31 + 8'R_32 + 8'R_33 + 9'R_34 + 9'R_35 + 10'R_36 + 10'R_37 + 10'R_38 + 10'R_39 + 10'R_40 + 11'R_41 + 12'R_42 + 13'R_43 + 14'R_44 + 15'R_45 + 16'R_46 + 17'R_47 + 18'R_48 + 19'R_49 = 236
invariant :P_1_18 + -1'P_3_17 + -1'P_3_18 + -1'P_3_19 + -1'P_4_16 + -2'P_4_17 + -2'P_4_18 + -2'P_4_19 + -1'P_4_20 + -1'P_5_15 + -2'P_5_16 + -3'P_5_17 + -3'P_5_18 + -3'P_5_19 + -2'P_5_20 + -1'P_5_21 + -1'P_6_14 + -2'P_6_15 + -3'P_6_16 + -4'P_6_17 + -4'P_6_18 + -4'P_6_19 + -3'P_6_20 + -2'P_6_21 + -1'P_6_22 + -1'P_7_13 + -2'P_7_14 + -3'P_7_15 + -4'P_7_16 + -5'P_7_17 + -5'P_7_18 + -5'P_7_19 + -4'P_7_20 + -3'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_12 + -2'P_8_13 + -3'P_8_14 + -4'P_8_15 + -5'P_8_16 + -6'P_8_17 + -6'P_8_18 + -6'P_8_19 + -5'P_8_20 + -4'P_8_21 + -3'P_8_22 + -2'P_8_23 + -1'P_9_11 + -2'P_9_12 + -3'P_9_13 + -4'P_9_14 + -5'P_9_15 + -6'P_9_16 + -7'P_9_17 + -7'P_9_18 + -7'P_9_19 + -6'P_9_20 + -5'P_9_21 + -4'P_9_22 + -2'P_9_23 + -1'P_10_10 + -2'P_10_11 + -3'P_10_12 + -4'P_10_13 + -5'P_10_14 + -6'P_10_15 + -7'P_10_16 + -8'P_10_17 + -8'P_10_18 + -8'P_10_19 + -7'P_10_20 + -6'P_10_21 + -4'P_10_22 + -2'P_10_23 + -1'P_11_9 + -2'P_11_10 + -3'P_11_11 + -4'P_11_12 + -5'P_11_13 + -6'P_11_14 + -7'P_11_15 + -8'P_11_16 + -9'P_11_17 + -9'P_11_18 + -9'P_11_19 + -8'P_11_20 + -6'P_11_21 + -4'P_11_22 + -2'P_11_23 + -1'P_12_8 + -2'P_12_9 + -3'P_12_10 + -4'P_12_11 + -5'P_12_12 + -6'P_12_13 + -7'P_12_14 + -8'P_12_15 + -9'P_12_16 + -10'P_12_17 + -10'P_12_18 + -10'P_12_19 + -8'P_12_20 + -6'P_12_21 + -4'P_12_22 + -2'P_12_23 + -1'P_13_7 + -2'P_13_8 + -3'P_13_9 + -4'P_13_10 + -5'P_13_11 + -6'P_13_12 + -7'P_13_13 + -8'P_13_14 + -9'P_13_15 + -10'P_13_16 + -11'P_13_17 + -11'P_13_18 + -10'P_13_19 + -8'P_13_20 + -6'P_13_21 + -4'P_13_22 + -2'P_13_23 + -1'P_14_6 + -2'P_14_7 + -3'P_14_8 + -4'P_14_9 + -5'P_14_10 + -6'P_14_11 + -7'P_14_12 + -8'P_14_13 + -9'P_14_14 + -10'P_14_15 + -11'P_14_16 + -12'P_14_17 + -11'P_14_18 + -10'P_14_19 + -8'P_14_20 + -6'P_14_21 + -4'P_14_22 + -2'P_14_23 + -1'P_15_5 + -2'P_15_6 + -3'P_15_7 + -4'P_15_8 + -5'P_15_9 + -6'P_15_10 + -7'P_15_11 + -8'P_15_12 + -9'P_15_13 + -10'P_15_14 + -11'P_15_15 + -12'P_15_16 + -12'P_15_17 + -11'P_15_18 + -10'P_15_19 + -8'P_15_20 + -6'P_15_21 + -4'P_15_22 + -2'P_15_23 + -1'P_16_4 + -2'P_16_5 + -3'P_16_6 + -4'P_16_7 + -5'P_16_8 + -6'P_16_9 + -7'P_16_10 + -8'P_16_11 + -9'P_16_12 + -10'P_16_13 + -11'P_16_14 + -12'P_16_15 + -12'P_16_16 + -12'P_16_17 + -11'P_16_18 + -10'P_16_19 + -8'P_16_20 + -6'P_16_21 + -4'P_16_22 + -2'P_16_23 + -1'P_17_3 + -2'P_17_4 + -3'P_17_5 + -4'P_17_6 + -5'P_17_7 + -6'P_17_8 + -7'P_17_9 + -8'P_17_10 + -9'P_17_11 + -10'P_17_12 + -11'P_17_13 + -12'P_17_14 + -12'P_17_15 + -12'P_17_16 + -12'P_17_17 + -11'P_17_18 + -10'P_17_19 + -8'P_17_20 + -6'P_17_21 + -4'P_17_22 + -2'P_17_23 + -1'P_18_2 + -2'P_18_3 + -3'P_18_4 + -4'P_18_5 + -5'P_18_6 + -6'P_18_7 + -7'P_18_8 + -8'P_18_9 + -9'P_18_10 + -10'P_18_11 + -11'P_18_12 + -12'P_18_13 + -12'P_18_14 + -12'P_18_15 + -12'P_18_16 + -12'P_18_17 + -11'P_18_18 + -10'P_18_19 + -8'P_18_20 + -6'P_18_21 + -4'P_18_22 + -2'P_18_23 + -1'P_19_2 + -2'P_19_3 + -3'P_19_4 + -4'P_19_5 + -5'P_19_6 + -6'P_19_7 + -7'P_19_8 + -8'P_19_9 + -9'P_19_10 + -10'P_19_11 + -11'P_19_12 + -11'P_19_13 + -11'P_19_14 + -11'P_19_15 + -11'P_19_16 + -11'P_19_17 + -10'P_19_18 + -9'P_19_19 + -7'P_19_20 + -5'P_19_21 + -3'P_19_22 + -1'P_19_23 + -1'P_20_3 + -2'P_20_4 + -3'P_20_5 + -4'P_20_6 + -5'P_20_7 + -6'P_20_8 + -7'P_20_9 + -8'P_20_10 + -9'P_20_11 + -9'P_20_12 + -9'P_20_13 + -9'P_20_14 + -9'P_20_15 + -9'P_20_16 + -9'P_20_17 + -8'P_20_18 + -7'P_20_19 + -5'P_20_20 + -3'P_20_21 + -1'P_20_22 + -1'P_21_4 + -2'P_21_5 + -3'P_21_6 + -4'P_21_7 + -5'P_21_8 + -6'P_21_9 + -7'P_21_10 + -7'P_21_11 + -7'P_21_12 + -7'P_21_13 + -7'P_21_14 + -7'P_21_15 + -7'P_21_16 + -7'P_21_17 + -6'P_21_18 + -5'P_21_19 + -3'P_21_20 + -1'P_21_21 + -1'P_22_5 + -2'P_22_6 + -3'P_22_7 + -4'P_22_8 + -5'P_22_9 + -5'P_22_10 + -5'P_22_11 + -5'P_22_12 + -5'P_22_13 + -5'P_22_14 + -5'P_22_15 + -5'P_22_16 + -5'P_22_17 + -4'P_22_18 + -3'P_22_19 + -1'P_22_20 + -1'P_23_6 + -2'P_23_7 + -3'P_23_8 + -3'P_23_9 + -3'P_23_10 + -3'P_23_11 + -3'P_23_12 + -3'P_23_13 + -3'P_23_14 + -3'P_23_15 + -3'P_23_16 + -3'P_23_17 + -2'P_23_18 + -1'P_23_19 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + cX_19 + 3'cX_20 + 5'cX_21 + 7'cX_22 + 9'cX_23 + 11'cX_24 + cY_18 + 2'cY_19 + 4'cY_20 + 6'cY_21 + 8'cY_22 + 10'cY_23 + 12'cY_24 + -7'L_0 + -6'L_1 + -5'L_2 + -4'L_3 + -3'L_4 + -2'L_5 + -1'L_6 + -1'L_43 + -2'L_44 + -3'L_45 + -4'L_46 + -5'L_47 + -6'L_48 + -1'R_21 + -2'R_22 + -3'R_23 + -4'R_24 + -5'R_25 + -6'R_26 + -7'R_27 + -8'R_28 + -9'R_29 + -10'R_30 + -11'R_31 + -12'R_32 + -12'R_33 + -12'R_34 + -12'R_35 + -12'R_36 + -12'R_37 + -12'R_38 + -12'R_39 + -12'R_40 + -12'R_41 + -12'R_42 + -12'R_43 + -13'R_44 + -15'R_45 + -17'R_46 + -19'R_47 + -21'R_48 + -23'R_49 = -288
invariant :P_0_22 + P_3_22 + P_4_21 + P_4_22 + P_4_23 + P_5_20 + P_5_21 + 2'P_5_22 + P_5_23 + P_6_19 + P_6_20 + 2'P_6_21 + 2'P_6_22 + P_6_23 + P_7_18 + P_7_19 + 2'P_7_20 + 2'P_7_21 + 2'P_7_22 + P_7_23 + P_8_17 + P_8_18 + 2'P_8_19 + 2'P_8_20 + 2'P_8_21 + 2'P_8_22 + P_8_23 + P_9_16 + P_9_17 + 2'P_9_18 + 2'P_9_19 + 2'P_9_20 + 2'P_9_21 + 2'P_9_22 + P_9_23 + P_10_15 + P_10_16 + 2'P_10_17 + 2'P_10_18 + 2'P_10_19 + 2'P_10_20 + 2'P_10_21 + 2'P_10_22 + P_10_23 + P_11_14 + P_11_15 + 2'P_11_16 + 2'P_11_17 + 2'P_11_18 + 2'P_11_19 + 2'P_11_20 + 2'P_11_21 + 2'P_11_22 + P_11_23 + P_12_13 + P_12_14 + 2'P_12_15 + 2'P_12_16 + 2'P_12_17 + 2'P_12_18 + 2'P_12_19 + 2'P_12_20 + 2'P_12_21 + 2'P_12_22 + P_12_23 + P_13_12 + P_13_13 + 2'P_13_14 + 2'P_13_15 + 2'P_13_16 + 2'P_13_17 + 2'P_13_18 + 2'P_13_19 + 2'P_13_20 + 2'P_13_21 + 2'P_13_22 + P_13_23 + P_14_11 + P_14_12 + 2'P_14_13 + 2'P_14_14 + 2'P_14_15 + 2'P_14_16 + 2'P_14_17 + 2'P_14_18 + 2'P_14_19 + 2'P_14_20 + 2'P_14_21 + 2'P_14_22 + P_14_23 + P_15_10 + P_15_11 + 2'P_15_12 + 2'P_15_13 + 2'P_15_14 + 2'P_15_15 + 2'P_15_16 + 2'P_15_17 + 2'P_15_18 + 2'P_15_19 + 2'P_15_20 + 2'P_15_21 + 2'P_15_22 + P_15_23 + P_16_9 + P_16_10 + 2'P_16_11 + 2'P_16_12 + 2'P_16_13 + 2'P_16_14 + 2'P_16_15 + 2'P_16_16 + 2'P_16_17 + 2'P_16_18 + 2'P_16_19 + 2'P_16_20 + 2'P_16_21 + 2'P_16_22 + P_16_23 + P_17_8 + P_17_9 + 2'P_17_10 + 2'P_17_11 + 2'P_17_12 + 2'P_17_13 + 2'P_17_14 + 2'P_17_15 + 2'P_17_16 + 2'P_17_17 + 2'P_17_18 + 2'P_17_19 + 2'P_17_20 + 2'P_17_21 + 2'P_17_22 + P_17_23 + P_18_7 + P_18_8 + 2'P_18_9 + 2'P_18_10 + 2'P_18_11 + 2'P_18_12 + 2'P_18_13 + 2'P_18_14 + 2'P_18_15 + 2'P_18_16 + 2'P_18_17 + 2'P_18_18 + 2'P_18_19 + 2'P_18_20 + 2'P_18_21 + 2'P_18_22 + P_18_23 + P_19_6 + P_19_7 + 2'P_19_8 + 2'P_19_9 + 2'P_19_10 + 2'P_19_11 + 2'P_19_12 + 2'P_19_13 + 2'P_19_14 + 2'P_19_15 + 2'P_19_16 + 2'P_19_17 + 2'P_19_18 + 2'P_19_19 + 2'P_19_20 + 2'P_19_21 + 2'P_19_22 + P_19_23 + P_20_5 + P_20_6 + 2'P_20_7 + 2'P_20_8 + 2'P_20_9 + 2'P_20_10 + 2'P_20_11 + 2'P_20_12 + 2'P_20_13 + 2'P_20_14 + 2'P_20_15 + 2'P_20_16 + 2'P_20_17 + 2'P_20_18 + 2'P_20_19 + 2'P_20_20 + 2'P_20_21 + 2'P_20_22 + P_20_23 + P_21_4 + P_21_5 + 2'P_21_6 + 2'P_21_7 + 2'P_21_8 + 2'P_21_9 + 2'P_21_10 + 2'P_21_11 + 2'P_21_12 + 2'P_21_13 + 2'P_21_14 + 2'P_21_15 + 2'P_21_16 + 2'P_21_17 + 2'P_21_18 + 2'P_21_19 + 2'P_21_20 + 2'P_21_21 + 2'P_21_22 + P_21_23 + P_22_3 + P_22_4 + 2'P_22_5 + 2'P_22_6 + 2'P_22_7 + 2'P_22_8 + 2'P_22_9 + 2'P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + 2'P_22_16 + 2'P_22_17 + 2'P_22_18 + 2'P_22_19 + 2'P_22_20 + 2'P_22_21 + 2'P_22_22 + P_22_23 + P_23_2 + P_23_3 + 2'P_23_4 + 2'P_23_5 + 2'P_23_6 + 2'P_23_7 + 2'P_23_8 + 2'P_23_9 + 2'P_23_10 + 2'P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + 2'P_23_15 + 2'P_23_16 + 2'P_23_17 + 2'P_23_18 + 2'P_23_19 + 2'P_23_20 + 2'P_23_21 + 2'P_23_22 + P_23_23 + P_24_3 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + P_24_22 + -1'cX_24 + -1'cY_23 + -2'cY_24 + 2'L_0 + L_1 + L_2 + L_48 + R_26 + R_27 + 2'R_28 + 2'R_29 + 2'R_30 + 2'R_31 + 2'R_32 + 2'R_33 + 2'R_34 + 2'R_35 + 2'R_36 + 2'R_37 + 2'R_38 + 2'R_39 + 2'R_40 + 2'R_41 + 2'R_42 + 2'R_43 + 2'R_44 + 2'R_45 + 2'R_46 + 2'R_47 + 2'R_48 + 3'R_49 = 48
invariant :cY_0 + -1'cY_2 + -2'cY_3 + -3'cY_4 + -4'cY_5 + -5'cY_6 + -6'cY_7 + -7'cY_8 + -8'cY_9 + -9'cY_10 + -10'cY_11 + -11'cY_12 + -12'cY_13 + -13'cY_14 + -14'cY_15 + -15'cY_16 + -16'cY_17 + -17'cY_18 + -18'cY_19 + -19'cY_20 + -20'cY_21 + -21'cY_22 + -22'cY_23 + -23'cY_24 + 12'L_0 + 11'L_1 + 11'L_2 + 10'L_3 + 10'L_4 + 9'L_5 + 9'L_6 + 8'L_7 + 8'L_8 + 7'L_9 + 7'L_10 + 6'L_11 + 6'L_12 + 5'L_13 + 5'L_14 + 4'L_15 + 4'L_16 + 3'L_17 + 3'L_18 + 2'L_19 + 2'L_20 + L_21 + L_22 + -1'L_25 + -1'L_26 + -2'L_27 + -2'L_28 + -3'L_29 + -3'L_30 + -4'L_31 + -4'L_32 + -5'L_33 + -5'L_34 + -6'L_35 + -6'L_36 + -7'L_37 + -7'L_38 + -8'L_39 + -8'L_40 + -9'L_41 + -9'L_42 + -10'L_43 + -10'L_44 + -11'L_45 + -11'L_46 + -12'L_47 + -12'L_48 + -1'R_1 + R_4 + R_5 + 2'R_6 + 2'R_7 + 3'R_8 + 3'R_9 + 4'R_10 + 4'R_11 + 5'R_12 + 5'R_13 + 6'R_14 + 6'R_15 + 7'R_16 + 7'R_17 + 8'R_18 + 8'R_19 + 9'R_20 + 9'R_21 + 10'R_22 + 10'R_23 + 11'R_24 + 11'R_25 + 12'R_26 + 12'R_27 + 13'R_28 + 13'R_29 + 14'R_30 + 14'R_31 + 15'R_32 + 15'R_33 + 16'R_34 + 16'R_35 + 17'R_36 + 17'R_37 + 18'R_38 + 18'R_39 + 19'R_40 + 19'R_41 + 20'R_42 + 20'R_43 + 21'R_44 + 21'R_45 + 22'R_46 + 22'R_47 + 23'R_48 + 23'R_49 = 264
invariant :P_2_10 + P_3_9 + P_3_10 + P_3_11 + P_4_8 + P_4_9 + 2'P_4_10 + P_4_11 + P_4_12 + P_5_7 + P_5_8 + 2'P_5_9 + 2'P_5_10 + 2'P_5_11 + P_5_12 + P_5_13 + P_6_6 + P_6_7 + 2'P_6_8 + 2'P_6_9 + 3'P_6_10 + 2'P_6_11 + 2'P_6_12 + P_6_13 + P_6_14 + P_7_5 + P_7_6 + 2'P_7_7 + 2'P_7_8 + 3'P_7_9 + 3'P_7_10 + 3'P_7_11 + 2'P_7_12 + 2'P_7_13 + P_7_14 + P_7_15 + P_8_4 + P_8_5 + 2'P_8_6 + 2'P_8_7 + 3'P_8_8 + 3'P_8_9 + 4'P_8_10 + 3'P_8_11 + 3'P_8_12 + 2'P_8_13 + 2'P_8_14 + P_8_15 + P_8_16 + P_9_3 + P_9_4 + 2'P_9_5 + 2'P_9_6 + 3'P_9_7 + 3'P_9_8 + 4'P_9_9 + 4'P_9_10 + 4'P_9_11 + 3'P_9_12 + 3'P_9_13 + 2'P_9_14 + 2'P_9_15 + P_9_16 + P_9_17 + P_10_2 + P_10_3 + 2'P_10_4 + 2'P_10_5 + 3'P_10_6 + 3'P_10_7 + 4'P_10_8 + 4'P_10_9 + 5'P_10_10 + 4'P_10_11 + 4'P_10_12 + 3'P_10_13 + 3'P_10_14 + 2'P_10_15 + 2'P_10_16 + P_10_17 + P_10_18 + P_11_3 + P_11_4 + 2'P_11_5 + 2'P_11_6 + 3'P_11_7 + 3'P_11_8 + 4'P_11_9 + 4'P_11_10 + 4'P_11_11 + 3'P_11_12 + 3'P_11_13 + 2'P_11_14 + 2'P_11_15 + P_11_16 + P_11_17 + -1'P_11_20 + -1'P_11_21 + -1'P_11_22 + -1'P_11_23 + P_12_4 + P_12_5 + 2'P_12_6 + 2'P_12_7 + 3'P_12_8 + 3'P_12_9 + 4'P_12_10 + 3'P_12_11 + 3'P_12_12 + 2'P_12_13 + 2'P_12_14 + P_12_15 + P_12_16 + -1'P_12_19 + -1'P_12_20 + -2'P_12_21 + -2'P_12_22 + -1'P_12_23 + P_13_5 + P_13_6 + 2'P_13_7 + 2'P_13_8 + 3'P_13_9 + 3'P_13_10 + 3'P_13_11 + 2'P_13_12 + 2'P_13_13 + P_13_14 + P_13_15 + -1'P_13_18 + -1'P_13_19 + -2'P_13_20 + -2'P_13_21 + -2'P_13_22 + -1'P_13_23 + P_14_6 + P_14_7 + 2'P_14_8 + 2'P_14_9 + 3'P_14_10 + 2'P_14_11 + 2'P_14_12 + P_14_13 + P_14_14 + -1'P_14_17 + -1'P_14_18 + -2'P_14_19 + -2'P_14_20 + -2'P_14_21 + -1'P_14_22 + -1'P_14_23 + P_15_7 + P_15_8 + 2'P_15_9 + 2'P_15_10 + 2'P_15_11 + P_15_12 + P_15_13 + -1'P_15_16 + -1'P_15_17 + -2'P_15_18 + -2'P_15_19 + -2'P_15_20 + -1'P_15_21 + -1'P_15_22 + P_16_8 + P_16_9 + 2'P_16_10 + P_16_11 + P_16_12 + -1'P_16_15 + -1'P_16_16 + -2'P_16_17 + -2'P_16_18 + -2'P_16_19 + -1'P_16_20 + -1'P_16_21 + P_17_9 + P_17_10 + P_17_11 + -1'P_17_14 + -1'P_17_15 + -2'P_17_16 + -2'P_17_17 + -2'P_17_18 + -1'P_17_19 + -1'P_17_20 + P_18_10 + -1'P_18_13 + -1'P_18_14 + -2'P_18_15 + -2'P_18_16 + -2'P_18_17 + -1'P_18_18 + -1'P_18_19 + -1'P_19_12 + -1'P_19_13 + -2'P_19_14 + -2'P_19_15 + -2'P_19_16 + -1'P_19_17 + -1'P_19_18 + -1'P_20_11 + -1'P_20_12 + -2'P_20_13 + -2'P_20_14 + -2'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_21_11 + -2'P_21_12 + -2'P_21_13 + -2'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_22_11 + -2'P_22_12 + -2'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'cX_11 + -2'cX_12 + -3'cX_13 + -4'cX_14 + -5'cX_15 + -6'cX_16 + -7'cX_17 + -8'cX_18 + -9'cX_19 + -10'cX_20 + -11'cX_21 + -12'cX_22 + -13'cX_23 + -14'cX_24 + -1'cY_11 + -2'cY_12 + -3'cY_13 + -4'cY_14 + -5'cY_15 + -6'cY_16 + -7'cY_17 + -8'cY_18 + -9'cY_19 + -10'cY_20 + -11'cY_21 + -12'cY_22 + -13'cY_23 + -14'cY_24 + 7'L_0 + 7'L_1 + 6'L_2 + 6'L_3 + 5'L_4 + 5'L_5 + 4'L_6 + 4'L_7 + 3'L_8 + 3'L_9 + 2'L_10 + 2'L_11 + L_12 + L_13 + L_35 + L_36 + 2'L_37 + 2'L_38 + 3'L_39 + 3'L_40 + 4'L_41 + 4'L_42 + 5'L_43 + 5'L_44 + 6'L_45 + 6'L_46 + 7'L_47 + 7'L_48 + R_13 + R_14 + 2'R_15 + 2'R_16 + 3'R_17 + 3'R_18 + 4'R_19 + 4'R_20 + 5'R_21 + 5'R_22 + 6'R_23 + 6'R_24 + 7'R_25 + 7'R_26 + 8'R_27 + 8'R_28 + 9'R_29 + 9'R_30 + 10'R_31 + 10'R_32 + 11'R_33 + 11'R_34 + 12'R_35 + 13'R_36 + 15'R_37 + 16'R_38 + 18'R_39 + 19'R_40 + 20'R_41 + 21'R_42 + 22'R_43 + 23'R_44 + 24'R_45 + 25'R_46 + 26'R_47 + 27'R_48 + 28'R_49 = 343
invariant :P_1_9 + -1'P_3_8 + -1'P_3_9 + -1'P_3_10 + -1'P_4_7 + -2'P_4_8 + -2'P_4_9 + -2'P_4_10 + -1'P_4_11 + -1'P_5_6 + -2'P_5_7 + -3'P_5_8 + -3'P_5_9 + -3'P_5_10 + -2'P_5_11 + -1'P_5_12 + -1'P_6_5 + -2'P_6_6 + -3'P_6_7 + -4'P_6_8 + -4'P_6_9 + -4'P_6_10 + -3'P_6_11 + -2'P_6_12 + -1'P_6_13 + -1'P_7_4 + -2'P_7_5 + -3'P_7_6 + -4'P_7_7 + -5'P_7_8 + -5'P_7_9 + -5'P_7_10 + -4'P_7_11 + -3'P_7_12 + -2'P_7_13 + -1'P_7_14 + -1'P_8_3 + -2'P_8_4 + -3'P_8_5 + -4'P_8_6 + -5'P_8_7 + -6'P_8_8 + -6'P_8_9 + -6'P_8_10 + -5'P_8_11 + -4'P_8_12 + -3'P_8_13 + -2'P_8_14 + -1'P_8_15 + -1'P_9_2 + -2'P_9_3 + -3'P_9_4 + -4'P_9_5 + -5'P_9_6 + -6'P_9_7 + -7'P_9_8 + -7'P_9_9 + -7'P_9_10 + -6'P_9_11 + -5'P_9_12 + -4'P_9_13 + -3'P_9_14 + -2'P_9_15 + -1'P_9_16 + -1'P_10_2 + -2'P_10_3 + -3'P_10_4 + -4'P_10_5 + -5'P_10_6 + -6'P_10_7 + -7'P_10_8 + -7'P_10_9 + -7'P_10_10 + -6'P_10_11 + -5'P_10_12 + -4'P_10_13 + -3'P_10_14 + -2'P_10_15 + -1'P_10_16 + P_10_18 + P_10_19 + P_10_20 + P_10_21 + P_10_22 + P_10_23 + -1'P_11_3 + -2'P_11_4 + -3'P_11_5 + -4'P_11_6 + -5'P_11_7 + -6'P_11_8 + -6'P_11_9 + -6'P_11_10 + -5'P_11_11 + -4'P_11_12 + -3'P_11_13 + -2'P_11_14 + -1'P_11_15 + P_11_17 + 2'P_11_18 + 3'P_11_19 + 3'P_11_20 + 3'P_11_21 + 3'P_11_22 + 2'P_11_23 + -1'P_12_4 + -2'P_12_5 + -3'P_12_6 + -4'P_12_7 + -5'P_12_8 + -5'P_12_9 + -5'P_12_10 + -4'P_12_11 + -3'P_12_12 + -2'P_12_13 + -1'P_12_14 + P_12_16 + 2'P_12_17 + 3'P_12_18 + 4'P_12_19 + 5'P_12_20 + 5'P_12_21 + 4'P_12_22 + 2'P_12_23 + -1'P_13_5 + -2'P_13_6 + -3'P_13_7 + -4'P_13_8 + -4'P_13_9 + -4'P_13_10 + -3'P_13_11 + -2'P_13_12 + -1'P_13_13 + P_13_15 + 2'P_13_16 + 3'P_13_17 + 4'P_13_18 + 5'P_13_19 + 6'P_13_20 + 6'P_13_21 + 4'P_13_22 + 2'P_13_23 + -1'P_14_6 + -2'P_14_7 + -3'P_14_8 + -3'P_14_9 + -3'P_14_10 + -2'P_14_11 + -1'P_14_12 + P_14_14 + 2'P_14_15 + 3'P_14_16 + 4'P_14_17 + 5'P_14_18 + 6'P_14_19 + 6'P_14_20 + 5'P_14_21 + 4'P_14_22 + 2'P_14_23 + -1'P_15_7 + -2'P_15_8 + -2'P_15_9 + -2'P_15_10 + -1'P_15_11 + P_15_13 + 2'P_15_14 + 3'P_15_15 + 4'P_15_16 + 5'P_15_17 + 6'P_15_18 + 6'P_15_19 + 5'P_15_20 + 4'P_15_21 + 3'P_15_22 + 2'P_15_23 + -1'P_16_8 + -1'P_16_9 + -1'P_16_10 + P_16_12 + 2'P_16_13 + 3'P_16_14 + 4'P_16_15 + 5'P_16_16 + 6'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_11 + 2'P_17_12 + 3'P_17_13 + 4'P_17_14 + 5'P_17_15 + 6'P_17_16 + 6'P_17_17 + 5'P_17_18 + 4'P_17_19 + 3'P_17_20 + 2'P_17_21 + P_17_22 + P_18_9 + P_18_10 + 2'P_18_11 + 3'P_18_12 + 4'P_18_13 + 5'P_18_14 + 6'P_18_15 + 6'P_18_16 + 5'P_18_17 + 4'P_18_18 + 3'P_18_19 + 2'P_18_20 + P_18_21 + P_19_9 + 2'P_19_10 + 3'P_19_11 + 4'P_19_12 + 5'P_19_13 + 6'P_19_14 + 6'P_19_15 + 5'P_19_16 + 4'P_19_17 + 3'P_19_18 + 2'P_19_19 + P_19_20 + P_20_9 + 2'P_20_10 + 4'P_20_11 + 5'P_20_12 + 6'P_20_13 + 6'P_20_14 + 5'P_20_15 + 4'P_20_16 + 3'P_20_17 + 2'P_20_18 + P_20_19 + P_21_9 + 2'P_21_10 + 4'P_21_11 + 6'P_21_12 + 6'P_21_13 + 5'P_21_14 + 4'P_21_15 + 3'P_21_16 + 2'P_21_17 + P_21_18 + P_22_9 + 2'P_22_10 + 4'P_22_11 + 5'P_22_12 + 5'P_22_13 + 4'P_22_14 + 3'P_22_15 + 2'P_22_16 + P_22_17 + P_23_9 + 2'P_23_10 + 3'P_23_11 + 3'P_23_12 + 3'P_23_13 + 3'P_23_14 + 2'P_23_15 + P_23_16 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + cX_10 + 3'cX_11 + 5'cX_12 + 7'cX_13 + 9'cX_14 + 11'cX_15 + 13'cX_16 + 15'cX_17 + 17'cX_18 + 19'cX_19 + 21'cX_20 + 23'cX_21 + 25'cX_22 + 27'cX_23 + 29'cX_24 + cY_9 + 2'cY_10 + 4'cY_11 + 6'cY_12 + 8'cY_13 + 10'cY_14 + 12'cY_15 + 14'cY_16 + 16'cY_17 + 18'cY_18 + 20'cY_19 + 22'cY_20 + 24'cY_21 + 26'cY_22 + 28'cY_23 + 30'cY_24 + -16'L_0 + -15'L_1 + -14'L_2 + -13'L_3 + -12'L_4 + -11'L_5 + -10'L_6 + -9'L_7 + -8'L_8 + -7'L_9 + -6'L_10 + -5'L_11 + -4'L_12 + -3'L_13 + -2'L_14 + -1'L_15 + -1'L_34 + -2'L_35 + -3'L_36 + -4'L_37 + -5'L_38 + -6'L_39 + -7'L_40 + -8'L_41 + -9'L_42 + -10'L_43 + -11'L_44 + -12'L_45 + -13'L_46 + -14'L_47 + -15'L_48 + -1'R_12 + -2'R_13 + -3'R_14 + -4'R_15 + -5'R_16 + -6'R_17 + -7'R_18 + -8'R_19 + -9'R_20 + -10'R_21 + -11'R_22 + -12'R_23 + -13'R_24 + -14'R_25 + -15'R_26 + -16'R_27 + -17'R_28 + -18'R_29 + -19'R_30 + -20'R_31 + -21'R_32 + -22'R_33 + -23'R_34 + -25'R_35 + -28'R_36 + -31'R_37 + -34'R_38 + -37'R_39 + -40'R_40 + -43'R_41 + -45'R_42 + -47'R_43 + -49'R_44 + -51'R_45 + -53'R_46 + -55'R_47 + -57'R_48 + -59'R_49 = -720
invariant :P_2_18 + P_3_17 + P_3_18 + P_3_19 + P_4_16 + P_4_17 + 2'P_4_18 + P_4_19 + P_4_20 + P_5_15 + P_5_16 + 2'P_5_17 + 2'P_5_18 + 2'P_5_19 + P_5_20 + P_5_21 + P_6_14 + P_6_15 + 2'P_6_16 + 2'P_6_17 + 3'P_6_18 + 2'P_6_19 + 2'P_6_20 + P_6_21 + P_6_22 + P_7_13 + P_7_14 + 2'P_7_15 + 2'P_7_16 + 3'P_7_17 + 3'P_7_18 + 3'P_7_19 + 2'P_7_20 + 2'P_7_21 + P_7_22 + P_7_23 + P_8_12 + P_8_13 + 2'P_8_14 + 2'P_8_15 + 3'P_8_16 + 3'P_8_17 + 4'P_8_18 + 3'P_8_19 + 3'P_8_20 + 2'P_8_21 + 2'P_8_22 + P_8_23 + P_9_11 + P_9_12 + 2'P_9_13 + 2'P_9_14 + 3'P_9_15 + 3'P_9_16 + 4'P_9_17 + 4'P_9_18 + 4'P_9_19 + 3'P_9_20 + 3'P_9_21 + 2'P_9_22 + P_9_23 + P_10_10 + P_10_11 + 2'P_10_12 + 2'P_10_13 + 3'P_10_14 + 3'P_10_15 + 4'P_10_16 + 4'P_10_17 + 5'P_10_18 + 4'P_10_19 + 4'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_9 + P_11_10 + 2'P_11_11 + 2'P_11_12 + 3'P_11_13 + 3'P_11_14 + 4'P_11_15 + 4'P_11_16 + 5'P_11_17 + 5'P_11_18 + 5'P_11_19 + 4'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_8 + P_12_9 + 2'P_12_10 + 2'P_12_11 + 3'P_12_12 + 3'P_12_13 + 4'P_12_14 + 4'P_12_15 + 5'P_12_16 + 5'P_12_17 + 6'P_12_18 + 5'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_7 + P_13_8 + 2'P_13_9 + 2'P_13_10 + 3'P_13_11 + 3'P_13_12 + 4'P_13_13 + 4'P_13_14 + 5'P_13_15 + 5'P_13_16 + 6'P_13_17 + 6'P_13_18 + 5'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_6 + P_14_7 + 2'P_14_8 + 2'P_14_9 + 3'P_14_10 + 3'P_14_11 + 4'P_14_12 + 4'P_14_13 + 5'P_14_14 + 5'P_14_15 + 6'P_14_16 + 6'P_14_17 + 6'P_14_18 + 5'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_5 + P_15_6 + 2'P_15_7 + 2'P_15_8 + 3'P_15_9 + 3'P_15_10 + 4'P_15_11 + 4'P_15_12 + 5'P_15_13 + 5'P_15_14 + 6'P_15_15 + 6'P_15_16 + 6'P_15_17 + 6'P_15_18 + 5'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_4 + P_16_5 + 2'P_16_6 + 2'P_16_7 + 3'P_16_8 + 3'P_16_9 + 4'P_16_10 + 4'P_16_11 + 5'P_16_12 + 5'P_16_13 + 6'P_16_14 + 6'P_16_15 + 6'P_16_16 + 6'P_16_17 + 6'P_16_18 + 5'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_3 + P_17_4 + 2'P_17_5 + 2'P_17_6 + 3'P_17_7 + 3'P_17_8 + 4'P_17_9 + 4'P_17_10 + 5'P_17_11 + 5'P_17_12 + 6'P_17_13 + 6'P_17_14 + 6'P_17_15 + 6'P_17_16 + 6'P_17_17 + 6'P_17_18 + 5'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_2 + P_18_3 + 2'P_18_4 + 2'P_18_5 + 3'P_18_6 + 3'P_18_7 + 4'P_18_8 + 4'P_18_9 + 5'P_18_10 + 5'P_18_11 + 6'P_18_12 + 6'P_18_13 + 6'P_18_14 + 6'P_18_15 + 6'P_18_16 + 6'P_18_17 + 6'P_18_18 + 5'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_3 + P_19_4 + 2'P_19_5 + 2'P_19_6 + 3'P_19_7 + 3'P_19_8 + 4'P_19_9 + 4'P_19_10 + 5'P_19_11 + 5'P_19_12 + 5'P_19_13 + 5'P_19_14 + 5'P_19_15 + 5'P_19_16 + 5'P_19_17 + 5'P_19_18 + 4'P_19_19 + 3'P_19_20 + 2'P_19_21 + P_19_22 + P_20_4 + P_20_5 + 2'P_20_6 + 2'P_20_7 + 3'P_20_8 + 3'P_20_9 + 4'P_20_10 + 4'P_20_11 + 4'P_20_12 + 4'P_20_13 + 4'P_20_14 + 4'P_20_15 + 4'P_20_16 + 4'P_20_17 + 4'P_20_18 + 3'P_20_19 + 2'P_20_20 + P_20_21 + P_21_5 + P_21_6 + 2'P_21_7 + 2'P_21_8 + 3'P_21_9 + 3'P_21_10 + 3'P_21_11 + 3'P_21_12 + 3'P_21_13 + 3'P_21_14 + 3'P_21_15 + 3'P_21_16 + 3'P_21_17 + 3'P_21_18 + 2'P_21_19 + P_21_20 + P_22_6 + P_22_7 + 2'P_22_8 + 2'P_22_9 + 2'P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + 2'P_22_16 + 2'P_22_17 + 2'P_22_18 + P_22_19 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + -1'cX_19 + -2'cX_20 + -3'cX_21 + -4'cX_22 + -5'cX_23 + -6'cX_24 + -1'cY_19 + -2'cY_20 + -3'cY_21 + -4'cY_22 + -5'cY_23 + -6'cY_24 + 3'L_0 + 3'L_1 + 2'L_2 + 2'L_3 + L_4 + L_5 + L_43 + L_44 + 2'L_45 + 2'L_46 + 3'L_47 + 3'L_48 + R_21 + R_22 + 2'R_23 + 2'R_24 + 3'R_25 + 3'R_26 + 4'R_27 + 4'R_28 + 5'R_29 + 5'R_30 + 6'R_31 + 6'R_32 + 6'R_33 + 6'R_34 + 6'R_35 + 6'R_36 + 6'R_37 + 6'R_38 + 6'R_39 + 6'R_40 + 6'R_41 + 6'R_42 + 6'R_43 + 7'R_44 + 8'R_45 + 9'R_46 + 10'R_47 + 11'R_48 + 12'R_49 = 147
invariant :P_2_21 + P_3_20 + P_3_21 + P_3_22 + P_4_19 + P_4_20 + 2'P_4_21 + P_4_22 + P_4_23 + P_5_18 + P_5_19 + 2'P_5_20 + 2'P_5_21 + 2'P_5_22 + P_5_23 + P_6_17 + P_6_18 + 2'P_6_19 + 2'P_6_20 + 3'P_6_21 + 2'P_6_22 + P_6_23 + P_7_16 + P_7_17 + 2'P_7_18 + 2'P_7_19 + 3'P_7_20 + 3'P_7_21 + 2'P_7_22 + P_7_23 + P_8_15 + P_8_16 + 2'P_8_17 + 2'P_8_18 + 3'P_8_19 + 3'P_8_20 + 3'P_8_21 + 2'P_8_22 + P_8_23 + P_9_14 + P_9_15 + 2'P_9_16 + 2'P_9_17 + 3'P_9_18 + 3'P_9_19 + 3'P_9_20 + 3'P_9_21 + 2'P_9_22 + P_9_23 + P_10_13 + P_10_14 + 2'P_10_15 + 2'P_10_16 + 3'P_10_17 + 3'P_10_18 + 3'P_10_19 + 3'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_12 + P_11_13 + 2'P_11_14 + 2'P_11_15 + 3'P_11_16 + 3'P_11_17 + 3'P_11_18 + 3'P_11_19 + 3'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_11 + P_12_12 + 2'P_12_13 + 2'P_12_14 + 3'P_12_15 + 3'P_12_16 + 3'P_12_17 + 3'P_12_18 + 3'P_12_19 + 3'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_10 + P_13_11 + 2'P_13_12 + 2'P_13_13 + 3'P_13_14 + 3'P_13_15 + 3'P_13_16 + 3'P_13_17 + 3'P_13_18 + 3'P_13_19 + 3'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_9 + P_14_10 + 2'P_14_11 + 2'P_14_12 + 3'P_14_13 + 3'P_14_14 + 3'P_14_15 + 3'P_14_16 + 3'P_14_17 + 3'P_14_18 + 3'P_14_19 + 3'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_8 + P_15_9 + 2'P_15_10 + 2'P_15_11 + 3'P_15_12 + 3'P_15_13 + 3'P_15_14 + 3'P_15_15 + 3'P_15_16 + 3'P_15_17 + 3'P_15_18 + 3'P_15_19 + 3'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_7 + P_16_8 + 2'P_16_9 + 2'P_16_10 + 3'P_16_11 + 3'P_16_12 + 3'P_16_13 + 3'P_16_14 + 3'P_16_15 + 3'P_16_16 + 3'P_16_17 + 3'P_16_18 + 3'P_16_19 + 3'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_6 + P_17_7 + 2'P_17_8 + 2'P_17_9 + 3'P_17_10 + 3'P_17_11 + 3'P_17_12 + 3'P_17_13 + 3'P_17_14 + 3'P_17_15 + 3'P_17_16 + 3'P_17_17 + 3'P_17_18 + 3'P_17_19 + 3'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_5 + P_18_6 + 2'P_18_7 + 2'P_18_8 + 3'P_18_9 + 3'P_18_10 + 3'P_18_11 + 3'P_18_12 + 3'P_18_13 + 3'P_18_14 + 3'P_18_15 + 3'P_18_16 + 3'P_18_17 + 3'P_18_18 + 3'P_18_19 + 3'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_4 + P_19_5 + 2'P_19_6 + 2'P_19_7 + 3'P_19_8 + 3'P_19_9 + 3'P_19_10 + 3'P_19_11 + 3'P_19_12 + 3'P_19_13 + 3'P_19_14 + 3'P_19_15 + 3'P_19_16 + 3'P_19_17 + 3'P_19_18 + 3'P_19_19 + 3'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_3 + P_20_4 + 2'P_20_5 + 2'P_20_6 + 3'P_20_7 + 3'P_20_8 + 3'P_20_9 + 3'P_20_10 + 3'P_20_11 + 3'P_20_12 + 3'P_20_13 + 3'P_20_14 + 3'P_20_15 + 3'P_20_16 + 3'P_20_17 + 3'P_20_18 + 3'P_20_19 + 3'P_20_20 + 3'P_20_21 + 2'P_20_22 + P_20_23 + P_21_2 + P_21_3 + 2'P_21_4 + 2'P_21_5 + 3'P_21_6 + 3'P_21_7 + 3'P_21_8 + 3'P_21_9 + 3'P_21_10 + 3'P_21_11 + 3'P_21_12 + 3'P_21_13 + 3'P_21_14 + 3'P_21_15 + 3'P_21_16 + 3'P_21_17 + 3'P_21_18 + 3'P_21_19 + 3'P_21_20 + 3'P_21_21 + 2'P_21_22 + P_21_23 + P_22_3 + P_22_4 + 2'P_22_5 + 2'P_22_6 + 2'P_22_7 + 2'P_22_8 + 2'P_22_9 + 2'P_22_10 + 2'P_22_11 + 2'P_22_12 + 2'P_22_13 + 2'P_22_14 + 2'P_22_15 + 2'P_22_16 + 2'P_22_17 + 2'P_22_18 + 2'P_22_19 + 2'P_22_20 + 2'P_22_21 + P_22_22 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_23_21 + -1'cX_22 + -2'cX_23 + -3'cX_24 + -1'cY_22 + -2'cY_23 + -3'cY_24 + 2'L_0 + L_1 + L_2 + L_46 + L_47 + 2'L_48 + R_24 + R_25 + 2'R_26 + 2'R_27 + 3'R_28 + 3'R_29 + 3'R_30 + 3'R_31 + 3'R_32 + 3'R_33 + 3'R_34 + 3'R_35 + 3'R_36 + 3'R_37 + 3'R_38 + 3'R_39 + 3'R_40 + 3'R_41 + 3'R_42 + 3'R_43 + 3'R_44 + 3'R_45 + 3'R_46 + 4'R_47 + 5'R_48 + 6'R_49 = 74
invariant :P_15_0 + -1'P_16_2 + -1'P_16_3 + -1'P_16_4 + -1'P_16_5 + -1'P_16_6 + -1'P_16_7 + -1'P_16_8 + -1'P_16_9 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_16_16 + -1'P_16_17 + -1'P_16_18 + -1'P_16_19 + -1'P_16_20 + -1'P_16_21 + -1'P_16_22 + -1'P_16_23 + -1'P_17_3 + -1'P_17_4 + -1'P_17_5 + -1'P_17_6 + -1'P_17_7 + -1'P_17_8 + -1'P_17_9 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_17_16 + -1'P_17_17 + -1'P_17_18 + -1'P_17_19 + -1'P_17_20 + -1'P_17_21 + -1'P_17_22 + -1'P_18_4 + -1'P_18_5 + -1'P_18_6 + -1'P_18_7 + -1'P_18_8 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_18_16 + -1'P_18_17 + -1'P_18_18 + -1'P_18_19 + -1'P_18_20 + -1'P_18_21 + -1'P_19_5 + -1'P_19_6 + -1'P_19_7 + -1'P_19_8 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_19_17 + -1'P_19_18 + -1'P_19_19 + -1'P_19_20 + -1'P_20_6 + -1'P_20_7 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_20_18 + -1'P_20_19 + -1'P_21_7 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_21_18 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_22_17 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 10
invariant :P_14_0 + -1'P_15_2 + -1'P_15_3 + -1'P_15_4 + -1'P_15_5 + -1'P_15_6 + -1'P_15_7 + -1'P_15_8 + -1'P_15_9 + -1'P_15_10 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_15_16 + -1'P_15_17 + -1'P_15_18 + -1'P_15_19 + -1'P_15_20 + -1'P_15_21 + -1'P_15_22 + -1'P_15_23 + -1'P_16_3 + -1'P_16_4 + -1'P_16_5 + -1'P_16_6 + -1'P_16_7 + -1'P_16_8 + -1'P_16_9 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_16_16 + -1'P_16_17 + -1'P_16_18 + -1'P_16_19 + -1'P_16_20 + -1'P_16_21 + -1'P_16_22 + -1'P_17_4 + -1'P_17_5 + -1'P_17_6 + -1'P_17_7 + -1'P_17_8 + -1'P_17_9 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_17_16 + -1'P_17_17 + -1'P_17_18 + -1'P_17_19 + -1'P_17_20 + -1'P_17_21 + -1'P_18_5 + -1'P_18_6 + -1'P_18_7 + -1'P_18_8 + -1'P_18_9 + -1'P_18_10 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_18_15 + -1'P_18_16 + -1'P_18_17 + -1'P_18_18 + -1'P_18_19 + -1'P_18_20 + -1'P_19_6 + -1'P_19_7 + -1'P_19_8 + -1'P_19_9 + -1'P_19_10 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_19_14 + -1'P_19_15 + -1'P_19_16 + -1'P_19_17 + -1'P_19_18 + -1'P_19_19 + -1'P_20_7 + -1'P_20_8 + -1'P_20_9 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + -1'P_20_18 + -1'P_21_8 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 11
invariant :P_1_23 + -1'P_3_22 + -1'P_3_23 + -1'P_4_21 + -2'P_4_22 + -1'P_4_23 + -1'P_5_20 + -2'P_5_21 + -2'P_5_22 + -1'P_5_23 + -1'P_6_19 + -2'P_6_20 + -2'P_6_21 + -2'P_6_22 + -1'P_6_23 + -1'P_7_18 + -2'P_7_19 + -2'P_7_20 + -2'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_17 + -2'P_8_18 + -2'P_8_19 + -2'P_8_20 + -2'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_16 + -2'P_9_17 + -2'P_9_18 + -2'P_9_19 + -2'P_9_20 + -2'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_15 + -2'P_10_16 + -2'P_10_17 + -2'P_10_18 + -2'P_10_19 + -2'P_10_20 + -2'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_14 + -2'P_11_15 + -2'P_11_16 + -2'P_11_17 + -2'P_11_18 + -2'P_11_19 + -2'P_11_20 + -2'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_13 + -2'P_12_14 + -2'P_12_15 + -2'P_12_16 + -2'P_12_17 + -2'P_12_18 + -2'P_12_19 + -2'P_12_20 + -2'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_12 + -2'P_13_13 + -2'P_13_14 + -2'P_13_15 + -2'P_13_16 + -2'P_13_17 + -2'P_13_18 + -2'P_13_19 + -2'P_13_20 + -2'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_11 + -2'P_14_12 + -2'P_14_13 + -2'P_14_14 + -2'P_14_15 + -2'P_14_16 + -2'P_14_17 + -2'P_14_18 + -2'P_14_19 + -2'P_14_20 + -2'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_10 + -2'P_15_11 + -2'P_15_12 + -2'P_15_13 + -2'P_15_14 + -2'P_15_15 + -2'P_15_16 + -2'P_15_17 + -2'P_15_18 + -2'P_15_19 + -2'P_15_20 + -2'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_9 + -2'P_16_10 + -2'P_16_11 + -2'P_16_12 + -2'P_16_13 + -2'P_16_14 + -2'P_16_15 + -2'P_16_16 + -2'P_16_17 + -2'P_16_18 + -2'P_16_19 + -2'P_16_20 + -2'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_8 + -2'P_17_9 + -2'P_17_10 + -2'P_17_11 + -2'P_17_12 + -2'P_17_13 + -2'P_17_14 + -2'P_17_15 + -2'P_17_16 + -2'P_17_17 + -2'P_17_18 + -2'P_17_19 + -2'P_17_20 + -2'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_7 + -2'P_18_8 + -2'P_18_9 + -2'P_18_10 + -2'P_18_11 + -2'P_18_12 + -2'P_18_13 + -2'P_18_14 + -2'P_18_15 + -2'P_18_16 + -2'P_18_17 + -2'P_18_18 + -2'P_18_19 + -2'P_18_20 + -2'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_6 + -2'P_19_7 + -2'P_19_8 + -2'P_19_9 + -2'P_19_10 + -2'P_19_11 + -2'P_19_12 + -2'P_19_13 + -2'P_19_14 + -2'P_19_15 + -2'P_19_16 + -2'P_19_17 + -2'P_19_18 + -2'P_19_19 + -2'P_19_20 + -2'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_5 + -2'P_20_6 + -2'P_20_7 + -2'P_20_8 + -2'P_20_9 + -2'P_20_10 + -2'P_20_11 + -2'P_20_12 + -2'P_20_13 + -2'P_20_14 + -2'P_20_15 + -2'P_20_16 + -2'P_20_17 + -2'P_20_18 + -2'P_20_19 + -2'P_20_20 + -2'P_20_21 + -2'P_20_22 + -1'P_20_23 + -1'P_21_4 + -2'P_21_5 + -2'P_21_6 + -2'P_21_7 + -2'P_21_8 + -2'P_21_9 + -2'P_21_10 + -2'P_21_11 + -2'P_21_12 + -2'P_21_13 + -2'P_21_14 + -2'P_21_15 + -2'P_21_16 + -2'P_21_17 + -2'P_21_18 + -2'P_21_19 + -2'P_21_20 + -2'P_21_21 + -2'P_21_22 + -1'P_21_23 + -1'P_22_3 + -2'P_22_4 + -2'P_22_5 + -2'P_22_6 + -2'P_22_7 + -2'P_22_8 + -2'P_22_9 + -2'P_22_10 + -2'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -2'P_22_15 + -2'P_22_16 + -2'P_22_17 + -2'P_22_18 + -2'P_22_19 + -2'P_22_20 + -2'P_22_21 + -2'P_22_22 + -1'P_22_23 + -1'P_23_2 + -2'P_23_3 + -2'P_23_4 + -2'P_23_5 + -2'P_23_6 + -2'P_23_7 + -2'P_23_8 + -2'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -2'P_23_16 + -2'P_23_17 + -2'P_23_18 + -2'P_23_19 + -2'P_23_20 + -2'P_23_21 + -2'P_23_22 + -1'P_23_23 + -1'P_24_2 + -1'P_24_3 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + -1'P_24_22 + cX_24 + cY_23 + 2'cY_24 + -2'L_0 + -1'L_1 + -1'L_48 + -1'R_26 + -2'R_27 + -2'R_28 + -2'R_29 + -2'R_30 + -2'R_31 + -2'R_32 + -2'R_33 + -2'R_34 + -2'R_35 + -2'R_36 + -2'R_37 + -2'R_38 + -2'R_39 + -2'R_40 + -2'R_41 + -2'R_42 + -2'R_43 + -2'R_44 + -2'R_45 + -2'R_46 + -2'R_47 + -2'R_48 + -3'R_49 = -48
invariant :P_1_7 + -1'P_3_6 + -1'P_3_7 + -1'P_3_8 + -1'P_4_5 + -2'P_4_6 + -2'P_4_7 + -2'P_4_8 + -1'P_4_9 + -1'P_5_4 + -2'P_5_5 + -3'P_5_6 + -3'P_5_7 + -3'P_5_8 + -2'P_5_9 + -1'P_5_10 + -1'P_6_3 + -2'P_6_4 + -3'P_6_5 + -4'P_6_6 + -4'P_6_7 + -4'P_6_8 + -3'P_6_9 + -2'P_6_10 + -1'P_6_11 + -1'P_7_2 + -2'P_7_3 + -3'P_7_4 + -4'P_7_5 + -5'P_7_6 + -5'P_7_7 + -5'P_7_8 + -4'P_7_9 + -3'P_7_10 + -2'P_7_11 + -1'P_7_12 + -1'P_8_2 + -2'P_8_3 + -3'P_8_4 + -4'P_8_5 + -5'P_8_6 + -5'P_8_7 + -5'P_8_8 + -4'P_8_9 + -3'P_8_10 + -2'P_8_11 + -1'P_8_12 + P_8_14 + P_8_15 + P_8_16 + P_8_17 + P_8_18 + P_8_19 + P_8_20 + P_8_21 + P_8_22 + P_8_23 + -1'P_9_3 + -2'P_9_4 + -3'P_9_5 + -4'P_9_6 + -4'P_9_7 + -4'P_9_8 + -3'P_9_9 + -2'P_9_10 + -1'P_9_11 + P_9_13 + 2'P_9_14 + 3'P_9_15 + 3'P_9_16 + 3'P_9_17 + 3'P_9_18 + 3'P_9_19 + 3'P_9_20 + 3'P_9_21 + 3'P_9_22 + 2'P_9_23 + -1'P_10_4 + -2'P_10_5 + -3'P_10_6 + -3'P_10_7 + -3'P_10_8 + -2'P_10_9 + -1'P_10_10 + P_10_12 + 2'P_10_13 + 3'P_10_14 + 4'P_10_15 + 5'P_10_16 + 5'P_10_17 + 5'P_10_18 + 5'P_10_19 + 5'P_10_20 + 5'P_10_21 + 4'P_10_22 + 2'P_10_23 + -1'P_11_5 + -2'P_11_6 + -2'P_11_7 + -2'P_11_8 + -1'P_11_9 + P_11_11 + 2'P_11_12 + 3'P_11_13 + 4'P_11_14 + 5'P_11_15 + 6'P_11_16 + 7'P_11_17 + 7'P_11_18 + 7'P_11_19 + 7'P_11_20 + 6'P_11_21 + 4'P_11_22 + 2'P_11_23 + -1'P_12_6 + -1'P_12_7 + -1'P_12_8 + P_12_10 + 2'P_12_11 + 3'P_12_12 + 4'P_12_13 + 5'P_12_14 + 6'P_12_15 + 7'P_12_16 + 8'P_12_17 + 9'P_12_18 + 9'P_12_19 + 8'P_12_20 + 6'P_12_21 + 4'P_12_22 + 2'P_12_23 + P_13_9 + 2'P_13_10 + 3'P_13_11 + 4'P_13_12 + 5'P_13_13 + 6'P_13_14 + 7'P_13_15 + 8'P_13_16 + 9'P_13_17 + 10'P_13_18 + 10'P_13_19 + 8'P_13_20 + 6'P_13_21 + 4'P_13_22 + 2'P_13_23 + P_14_7 + P_14_8 + 2'P_14_9 + 3'P_14_10 + 4'P_14_11 + 5'P_14_12 + 6'P_14_13 + 7'P_14_14 + 8'P_14_15 + 9'P_14_16 + 10'P_14_17 + 10'P_14_18 + 9'P_14_19 + 8'P_14_20 + 6'P_14_21 + 4'P_14_22 + 2'P_14_23 + P_15_7 + 2'P_15_8 + 3'P_15_9 + 4'P_15_10 + 5'P_15_11 + 6'P_15_12 + 7'P_15_13 + 8'P_15_14 + 9'P_15_15 + 10'P_15_16 + 10'P_15_17 + 9'P_15_18 + 8'P_15_19 + 7'P_15_20 + 6'P_15_21 + 4'P_15_22 + 2'P_15_23 + P_16_7 + 2'P_16_8 + 4'P_16_9 + 5'P_16_10 + 6'P_16_11 + 7'P_16_12 + 8'P_16_13 + 9'P_16_14 + 10'P_16_15 + 10'P_16_16 + 9'P_16_17 + 8'P_16_18 + 7'P_16_19 + 6'P_16_20 + 5'P_16_21 + 4'P_16_22 + 2'P_16_23 + P_17_7 + 2'P_17_8 + 4'P_17_9 + 6'P_17_10 + 7'P_17_11 + 8'P_17_12 + 9'P_17_13 + 10'P_17_14 + 10'P_17_15 + 9'P_17_16 + 8'P_17_17 + 7'P_17_18 + 6'P_17_19 + 5'P_17_20 + 4'P_17_21 + 3'P_17_22 + 2'P_17_23 + P_18_7 + 2'P_18_8 + 4'P_18_9 + 6'P_18_10 + 8'P_18_11 + 9'P_18_12 + 10'P_18_13 + 10'P_18_14 + 9'P_18_15 + 8'P_18_16 + 7'P_18_17 + 6'P_18_18 + 5'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_7 + 2'P_19_8 + 4'P_19_9 + 6'P_19_10 + 8'P_19_11 + 10'P_19_12 + 10'P_19_13 + 9'P_19_14 + 8'P_19_15 + 7'P_19_16 + 6'P_19_17 + 5'P_19_18 + 4'P_19_19 + 3'P_19_20 + 2'P_19_21 + P_19_22 + P_20_7 + 2'P_20_8 + 4'P_20_9 + 6'P_20_10 + 8'P_20_11 + 9'P_20_12 + 9'P_20_13 + 8'P_20_14 + 7'P_20_15 + 6'P_20_16 + 5'P_20_17 + 4'P_20_18 + 3'P_20_19 + 2'P_20_20 + P_20_21 + P_21_7 + 2'P_21_8 + 4'P_21_9 + 6'P_21_10 + 7'P_21_11 + 7'P_21_12 + 7'P_21_13 + 7'P_21_14 + 6'P_21_15 + 5'P_21_16 + 4'P_21_17 + 3'P_21_18 + 2'P_21_19 + P_21_20 + P_22_7 + 2'P_22_8 + 4'P_22_9 + 5'P_22_10 + 5'P_22_11 + 5'P_22_12 + 5'P_22_13 + 5'P_22_14 + 5'P_22_15 + 4'P_22_16 + 3'P_22_17 + 2'P_22_18 + P_22_19 + P_23_7 + 2'P_23_8 + 3'P_23_9 + 3'P_23_10 + 3'P_23_11 + 3'P_23_12 + 3'P_23_13 + 3'P_23_14 + 3'P_23_15 + 3'P_23_16 + 2'P_23_17 + P_23_18 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + cX_8 + 3'cX_9 + 5'cX_10 + 7'cX_11 + 9'cX_12 + 11'cX_13 + 13'cX_14 + 15'cX_15 + 17'cX_16 + 19'cX_17 + 21'cX_18 + 23'cX_19 + 25'cX_20 + 27'cX_21 + 29'cX_22 + 31'cX_23 + 33'cX_24 + cY_7 + 2'cY_8 + 4'cY_9 + 6'cY_10 + 8'cY_11 + 10'cY_12 + 12'cY_13 + 14'cY_14 + 16'cY_15 + 18'cY_16 + 20'cY_17 + 22'cY_18 + 24'cY_19 + 26'cY_20 + 28'cY_21 + 30'cY_22 + 32'cY_23 + 34'cY_24 + -18'L_0 + -17'L_1 + -16'L_2 + -15'L_3 + -14'L_4 + -13'L_5 + -12'L_6 + -11'L_7 + -10'L_8 + -9'L_9 + -8'L_10 + -7'L_11 + -6'L_12 + -5'L_13 + -4'L_14 + -3'L_15 + -2'L_16 + -1'L_17 + -1'L_32 + -2'L_33 + -3'L_34 + -4'L_35 + -5'L_36 + -6'L_37 + -7'L_38 + -8'L_39 + -9'L_40 + -10'L_41 + -11'L_42 + -12'L_43 + -13'L_44 + -14'L_45 + -15'L_46 + -16'L_47 + -17'L_48 + -1'R_10 + -2'R_11 + -3'R_12 + -4'R_13 + -5'R_14 + -6'R_15 + -7'R_16 + -8'R_17 + -9'R_18 + -10'R_19 + -11'R_20 + -12'R_21 + -13'R_22 + -14'R_23 + -15'R_24 + -16'R_25 + -17'R_26 + -18'R_27 + -19'R_28 + -20'R_29 + -21'R_30 + -22'R_31 + -23'R_32 + -25'R_33 + -28'R_34 + -31'R_35 + -34'R_36 + -37'R_37 + -40'R_38 + -43'R_39 + -46'R_40 + -49'R_41 + -52'R_42 + -55'R_43 + -57'R_44 + -59'R_45 + -61'R_46 + -63'R_47 + -65'R_48 + -67'R_49 = -816
invariant :P_24_0 + L_48 = 1
invariant :P_18_1 + P_18_2 + P_18_3 + P_18_4 + P_18_5 + P_18_6 + P_18_7 + P_18_8 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_18_17 + P_18_18 + P_18_19 + P_18_20 + P_18_21 + P_18_22 + P_18_23 + P_19_2 + P_19_3 + P_19_4 + P_19_5 + P_19_6 + P_19_7 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_19_18 + P_19_19 + P_19_20 + P_19_21 + P_19_22 + P_20_3 + P_20_4 + P_20_5 + P_20_6 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_20_18 + P_20_19 + P_20_20 + P_20_21 + P_21_4 + P_21_5 + P_21_6 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_21_19 + P_21_20 + P_22_5 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_22_19 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -7
invariant :P_5_24 + P_6_23 + P_7_22 + P_8_21 + P_9_20 + P_10_19 + P_11_18 + P_12_17 + P_13_16 + P_14_15 + P_15_14 + P_16_13 + P_17_12 + P_18_11 + P_19_10 + P_20_9 + P_21_8 + P_22_7 + P_23_6 + P_24_5 + R_30 = 1
invariant :P_18_24 + P_19_23 + P_20_22 + P_21_21 + P_22_20 + P_23_19 + P_24_18 + R_43 = 1
invariant :P_8_0 + -1'P_9_2 + -1'P_9_3 + -1'P_9_4 + -1'P_9_5 + -1'P_9_6 + -1'P_9_7 + -1'P_9_8 + -1'P_9_9 + -1'P_9_10 + -1'P_9_11 + -1'P_9_12 + -1'P_9_13 + -1'P_9_14 + -1'P_9_15 + -1'P_9_16 + -1'P_9_17 + -1'P_9_18 + -1'P_9_19 + -1'P_9_20 + -1'P_9_21 + -1'P_9_22 + -1'P_9_23 + -1'P_10_3 + -1'P_10_4 + -1'P_10_5 + -1'P_10_6 + -1'P_10_7 + -1'P_10_8 + -1'P_10_9 + -1'P_10_10 + -1'P_10_11 + -1'P_10_12 + -1'P_10_13 + -1'P_10_14 + -1'P_10_15 + -1'P_10_16 + -1'P_10_17 + -1'P_10_18 + -1'P_10_19 + -1'P_10_20 + -1'P_10_21 + -1'P_10_22 + -1'P_11_4 + -1'P_11_5 + -1'P_11_6 + -1'P_11_7 + -1'P_11_8 + -1'P_11_9 + -1'P_11_10 + -1'P_11_11 + -1'P_11_12 + -1'P_11_13 + -1'P_11_14 + -1'P_11_15 + -1'P_11_16 + -1'P_11_17 + -1'P_11_18 + -1'P_11_19 + -1'P_11_20 + -1'P_11_21 + -1'P_12_5 + -1'P_12_6 + -1'P_12_7 + -1'P_12_8 + -1'P_12_9 + -1'P_12_10 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_12_15 + -1'P_12_16 + -1'P_12_17 + -1'P_12_18 + -1'P_12_19 + -1'P_12_20 + -1'P_13_6 + -1'P_13_7 + -1'P_13_8 + -1'P_13_9 + -1'P_13_10 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_13_16 + -1'P_13_17 + -1'P_13_18 + -1'P_13_19 + -1'P_14_7 + -1'P_14_8 + -1'P_14_9 + -1'P_14_10 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_14_16 + -1'P_14_17 + -1'P_14_18 + -1'P_15_8 + -1'P_15_9 + -1'P_15_10 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_15_16 + -1'P_15_17 + -1'P_16_9 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_16_16 + -1'P_17_10 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_17_15 + -1'P_18_11 + -1'P_18_12 + -1'P_18_13 + -1'P_18_14 + -1'P_19_12 + -1'P_19_13 + P_21_12 + P_21_13 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + -1'cX_9 + -1'cX_10 + -1'cX_11 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_32 + L_33 + L_34 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_34 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 17
invariant :P_2_0 + -1'P_3_2 + -1'P_3_3 + -1'P_3_4 + -1'P_3_5 + -1'P_3_6 + -1'P_3_7 + -1'P_3_8 + -1'P_3_9 + -1'P_3_10 + -1'P_3_11 + -1'P_3_12 + -1'P_3_13 + -1'P_3_14 + -1'P_3_15 + -1'P_3_16 + -1'P_3_17 + -1'P_3_18 + -1'P_3_19 + -1'P_3_20 + -1'P_3_21 + -1'P_3_22 + -1'P_3_23 + -1'P_4_3 + -1'P_4_4 + -1'P_4_5 + -1'P_4_6 + -1'P_4_7 + -1'P_4_8 + -1'P_4_9 + -1'P_4_10 + -1'P_4_11 + -1'P_4_12 + -1'P_4_13 + -1'P_4_14 + -1'P_4_15 + -1'P_4_16 + -1'P_4_17 + -1'P_4_18 + -1'P_4_19 + -1'P_4_20 + -1'P_4_21 + -1'P_4_22 + -1'P_5_4 + -1'P_5_5 + -1'P_5_6 + -1'P_5_7 + -1'P_5_8 + -1'P_5_9 + -1'P_5_10 + -1'P_5_11 + -1'P_5_12 + -1'P_5_13 + -1'P_5_14 + -1'P_5_15 + -1'P_5_16 + -1'P_5_17 + -1'P_5_18 + -1'P_5_19 + -1'P_5_20 + -1'P_5_21 + -1'P_6_5 + -1'P_6_6 + -1'P_6_7 + -1'P_6_8 + -1'P_6_9 + -1'P_6_10 + -1'P_6_11 + -1'P_6_12 + -1'P_6_13 + -1'P_6_14 + -1'P_6_15 + -1'P_6_16 + -1'P_6_17 + -1'P_6_18 + -1'P_6_19 + -1'P_6_20 + -1'P_7_6 + -1'P_7_7 + -1'P_7_8 + -1'P_7_9 + -1'P_7_10 + -1'P_7_11 + -1'P_7_12 + -1'P_7_13 + -1'P_7_14 + -1'P_7_15 + -1'P_7_16 + -1'P_7_17 + -1'P_7_18 + -1'P_7_19 + -1'P_8_7 + -1'P_8_8 + -1'P_8_9 + -1'P_8_10 + -1'P_8_11 + -1'P_8_12 + -1'P_8_13 + -1'P_8_14 + -1'P_8_15 + -1'P_8_16 + -1'P_8_17 + -1'P_8_18 + -1'P_9_8 + -1'P_9_9 + -1'P_9_10 + -1'P_9_11 + -1'P_9_12 + -1'P_9_13 + -1'P_9_14 + -1'P_9_15 + -1'P_9_16 + -1'P_9_17 + -1'P_10_9 + -1'P_10_10 + -1'P_10_11 + -1'P_10_12 + -1'P_10_13 + -1'P_10_14 + -1'P_10_15 + -1'P_10_16 + -1'P_11_10 + -1'P_11_11 + -1'P_11_12 + -1'P_11_13 + -1'P_11_14 + -1'P_11_15 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_13_12 + -1'P_13_13 + P_15_12 + P_15_13 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_18_9 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_18_15 + P_18_16 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_20_18 + P_21_6 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_21_19 + P_22_5 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_22_19 + P_22_20 + P_23_4 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_23_20 + P_23_21 + P_24_3 + P_24_4 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + P_24_21 + P_24_22 + -1'cX_3 + -1'cX_4 + -1'cX_5 + -1'cX_6 + -1'cX_7 + -1'cX_8 + -1'cX_9 + -1'cX_10 + -1'cX_11 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_26 + L_27 + L_28 + L_29 + L_30 + L_31 + L_32 + L_33 + L_34 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_28 + R_29 + R_30 + R_31 + R_32 + R_33 + R_34 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 23
invariant :P_6_1 + P_6_2 + P_6_3 + P_6_4 + P_6_5 + P_6_6 + P_6_7 + P_6_8 + P_6_9 + P_6_10 + P_6_11 + P_6_12 + P_6_13 + P_6_14 + P_6_15 + P_6_16 + P_6_17 + P_6_18 + P_6_19 + P_6_20 + P_6_21 + P_6_22 + P_6_23 + P_7_2 + P_7_3 + P_7_4 + P_7_5 + P_7_6 + P_7_7 + P_7_8 + P_7_9 + P_7_10 + P_7_11 + P_7_12 + P_7_13 + P_7_14 + P_7_15 + P_7_16 + P_7_17 + P_7_18 + P_7_19 + P_7_20 + P_7_21 + P_7_22 + P_8_3 + P_8_4 + P_8_5 + P_8_6 + P_8_7 + P_8_8 + P_8_9 + P_8_10 + P_8_11 + P_8_12 + P_8_13 + P_8_14 + P_8_15 + P_8_16 + P_8_17 + P_8_18 + P_8_19 + P_8_20 + P_8_21 + P_9_4 + P_9_5 + P_9_6 + P_9_7 + P_9_8 + P_9_9 + P_9_10 + P_9_11 + P_9_12 + P_9_13 + P_9_14 + P_9_15 + P_9_16 + P_9_17 + P_9_18 + P_9_19 + P_9_20 + P_10_5 + P_10_6 + P_10_7 + P_10_8 + P_10_9 + P_10_10 + P_10_11 + P_10_12 + P_10_13 + P_10_14 + P_10_15 + P_10_16 + P_10_17 + P_10_18 + P_10_19 + P_11_6 + P_11_7 + P_11_8 + P_11_9 + P_11_10 + P_11_11 + P_11_12 + P_11_13 + P_11_14 + P_11_15 + P_11_16 + P_11_17 + P_11_18 + P_12_7 + P_12_8 + P_12_9 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_12_15 + P_12_16 + P_12_17 + P_13_8 + P_13_9 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_14_9 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_16_11 + P_16_12 + P_16_13 + P_17_12 + -1'P_18_12 + -1'P_19_11 + -1'P_19_12 + -1'P_19_13 + -1'P_20_10 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_20_14 + -1'P_21_9 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_21_15 + -1'P_22_8 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + cX_6 + cX_7 + cX_8 + cX_9 + cX_10 + cX_11 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_30 + -1'L_31 + -1'L_32 + -1'L_33 + -1'L_34 + -1'L_35 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_31 + -1'R_32 + -1'R_33 + -1'R_34 + -1'R_35 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -19
invariant :P_6_24 + P_7_23 + P_8_22 + P_9_21 + P_10_20 + P_11_19 + P_12_18 + P_13_17 + P_14_16 + P_15_15 + P_16_14 + P_17_13 + P_18_12 + P_19_11 + P_20_10 + P_21_9 + P_22_8 + P_23_7 + P_24_6 + R_31 = 1
invariant :P_1_12 + -1'P_3_11 + -1'P_3_12 + -1'P_3_13 + -1'P_4_10 + -2'P_4_11 + -2'P_4_12 + -2'P_4_13 + -1'P_4_14 + -1'P_5_9 + -2'P_5_10 + -3'P_5_11 + -3'P_5_12 + -3'P_5_13 + -2'P_5_14 + -1'P_5_15 + -1'P_6_8 + -2'P_6_9 + -3'P_6_10 + -4'P_6_11 + -4'P_6_12 + -4'P_6_13 + -3'P_6_14 + -2'P_6_15 + -1'P_6_16 + -1'P_7_7 + -2'P_7_8 + -3'P_7_9 + -4'P_7_10 + -5'P_7_11 + -5'P_7_12 + -5'P_7_13 + -4'P_7_14 + -3'P_7_15 + -2'P_7_16 + -1'P_7_17 + -1'P_8_6 + -2'P_8_7 + -3'P_8_8 + -4'P_8_9 + -5'P_8_10 + -6'P_8_11 + -6'P_8_12 + -6'P_8_13 + -5'P_8_14 + -4'P_8_15 + -3'P_8_16 + -2'P_8_17 + -1'P_8_18 + -1'P_9_5 + -2'P_9_6 + -3'P_9_7 + -4'P_9_8 + -5'P_9_9 + -6'P_9_10 + -7'P_9_11 + -7'P_9_12 + -7'P_9_13 + -6'P_9_14 + -5'P_9_15 + -4'P_9_16 + -3'P_9_17 + -2'P_9_18 + -1'P_9_19 + -1'P_10_4 + -2'P_10_5 + -3'P_10_6 + -4'P_10_7 + -5'P_10_8 + -6'P_10_9 + -7'P_10_10 + -8'P_10_11 + -8'P_10_12 + -8'P_10_13 + -7'P_10_14 + -6'P_10_15 + -5'P_10_16 + -4'P_10_17 + -3'P_10_18 + -2'P_10_19 + -1'P_10_20 + -1'P_11_3 + -2'P_11_4 + -3'P_11_5 + -4'P_11_6 + -5'P_11_7 + -6'P_11_8 + -7'P_11_9 + -8'P_11_10 + -9'P_11_11 + -9'P_11_12 + -9'P_11_13 + -8'P_11_14 + -7'P_11_15 + -6'P_11_16 + -5'P_11_17 + -4'P_11_18 + -3'P_11_19 + -2'P_11_20 + -1'P_11_21 + -1'P_12_2 + -2'P_12_3 + -3'P_12_4 + -4'P_12_5 + -5'P_12_6 + -6'P_12_7 + -7'P_12_8 + -8'P_12_9 + -9'P_12_10 + -10'P_12_11 + -10'P_12_12 + -10'P_12_13 + -9'P_12_14 + -8'P_12_15 + -7'P_12_16 + -6'P_12_17 + -5'P_12_18 + -4'P_12_19 + -3'P_12_20 + -2'P_12_21 + -1'P_12_22 + -1'P_13_2 + -2'P_13_3 + -3'P_13_4 + -4'P_13_5 + -5'P_13_6 + -6'P_13_7 + -7'P_13_8 + -8'P_13_9 + -9'P_13_10 + -10'P_13_11 + -10'P_13_12 + -10'P_13_13 + -9'P_13_14 + -8'P_13_15 + -7'P_13_16 + -6'P_13_17 + -5'P_13_18 + -4'P_13_19 + -3'P_13_20 + -2'P_13_21 + -1'P_13_22 + -1'P_14_3 + -2'P_14_4 + -3'P_14_5 + -4'P_14_6 + -5'P_14_7 + -6'P_14_8 + -7'P_14_9 + -8'P_14_10 + -9'P_14_11 + -9'P_14_12 + -9'P_14_13 + -8'P_14_14 + -7'P_14_15 + -6'P_14_16 + -5'P_14_17 + -4'P_14_18 + -3'P_14_19 + -2'P_14_20 + -1'P_14_21 + -1'P_15_4 + -2'P_15_5 + -3'P_15_6 + -4'P_15_7 + -5'P_15_8 + -6'P_15_9 + -7'P_15_10 + -8'P_15_11 + -8'P_15_12 + -8'P_15_13 + -7'P_15_14 + -6'P_15_15 + -5'P_15_16 + -4'P_15_17 + -3'P_15_18 + -2'P_15_19 + -1'P_15_20 + -1'P_16_5 + -2'P_16_6 + -3'P_16_7 + -4'P_16_8 + -5'P_16_9 + -6'P_16_10 + -7'P_16_11 + -7'P_16_12 + -7'P_16_13 + -6'P_16_14 + -5'P_16_15 + -4'P_16_16 + -3'P_16_17 + -2'P_16_18 + -1'P_16_19 + -1'P_17_6 + -2'P_17_7 + -3'P_17_8 + -4'P_17_9 + -5'P_17_10 + -6'P_17_11 + -6'P_17_12 + -6'P_17_13 + -5'P_17_14 + -4'P_17_15 + -3'P_17_16 + -2'P_17_17 + -1'P_17_18 + -1'P_18_7 + -2'P_18_8 + -3'P_18_9 + -4'P_18_10 + -5'P_18_11 + -5'P_18_12 + -5'P_18_13 + -4'P_18_14 + -3'P_18_15 + -2'P_18_16 + -1'P_18_17 + -1'P_19_8 + -2'P_19_9 + -3'P_19_10 + -4'P_19_11 + -4'P_19_12 + -4'P_19_13 + -3'P_19_14 + -2'P_19_15 + -1'P_19_16 + -1'P_20_9 + -2'P_20_10 + -3'P_20_11 + -3'P_20_12 + -3'P_20_13 + -2'P_20_14 + -1'P_20_15 + -1'P_21_10 + -2'P_21_11 + -2'P_21_12 + -2'P_21_13 + -1'P_21_14 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + P_24_12 + cX_13 + 3'cX_14 + 5'cX_15 + 7'cX_16 + 9'cX_17 + 11'cX_18 + 13'cX_19 + 15'cX_20 + 17'cX_21 + 19'cX_22 + 21'cX_23 + 23'cX_24 + cY_12 + 2'cY_13 + 4'cY_14 + 6'cY_15 + 8'cY_16 + 10'cY_17 + 12'cY_18 + 14'cY_19 + 16'cY_20 + 18'cY_21 + 20'cY_22 + 22'cY_23 + 24'cY_24 + -13'L_0 + -12'L_1 + -11'L_2 + -10'L_3 + -9'L_4 + -8'L_5 + -7'L_6 + -6'L_7 + -5'L_8 + -4'L_9 + -3'L_10 + -2'L_11 + -1'L_12 + -1'L_37 + -2'L_38 + -3'L_39 + -4'L_40 + -5'L_41 + -6'L_42 + -7'L_43 + -8'L_44 + -9'L_45 + -10'L_46 + -11'L_47 + -12'L_48 + -1'R_15 + -2'R_16 + -3'R_17 + -4'R_18 + -5'R_19 + -6'R_20 + -7'R_21 + -8'R_22 + -9'R_23 + -10'R_24 + -11'R_25 + -12'R_26 + -13'R_27 + -14'R_28 + -15'R_29 + -16'R_30 + -17'R_31 + -18'R_32 + -19'R_33 + -20'R_34 + -21'R_35 + -22'R_36 + -23'R_37 + -25'R_38 + -27'R_39 + -29'R_40 + -31'R_41 + -33'R_42 + -35'R_43 + -37'R_44 + -39'R_45 + -41'R_46 + -43'R_47 + -45'R_48 + -47'R_49 = -576
invariant :cX_2 + 3'cX_3 + 6'cX_4 + 10'cX_5 + 15'cX_6 + 21'cX_7 + 28'cX_8 + 36'cX_9 + 45'cX_10 + 55'cX_11 + 66'cX_12 + 78'cX_13 + 91'cX_14 + 105'cX_15 + 120'cX_16 + 136'cX_17 + 153'cX_18 + 171'cX_19 + 190'cX_20 + 210'cX_21 + 231'cX_22 + 253'cX_23 + 276'cX_24 + cY_2 + 3'cY_3 + 6'cY_4 + 10'cY_5 + 15'cY_6 + 21'cY_7 + 28'cY_8 + 36'cY_9 + 45'cY_10 + 55'cY_11 + 66'cY_12 + 78'cY_13 + 91'cY_14 + 105'cY_15 + 120'cY_16 + 136'cY_17 + 153'cY_18 + 171'cY_19 + 190'cY_20 + 210'cY_21 + 231'cY_22 + 253'cY_23 + 276'cY_24 + -144'L_0 + -132'L_1 + -121'L_2 + -110'L_3 + -100'L_4 + -90'L_5 + -81'L_6 + -72'L_7 + -64'L_8 + -56'L_9 + -49'L_10 + -42'L_11 + -36'L_12 + -30'L_13 + -25'L_14 + -20'L_15 + -16'L_16 + -12'L_17 + -9'L_18 + -6'L_19 + -4'L_20 + -2'L_21 + -1'L_22 + -1'L_26 + -2'L_27 + -4'L_28 + -6'L_29 + -9'L_30 + -12'L_31 + -16'L_32 + -20'L_33 + -25'L_34 + -30'L_35 + -36'L_36 + -42'L_37 + -49'L_38 + -56'L_39 + -64'L_40 + -72'L_41 + -81'L_42 + -90'L_43 + -100'L_44 + -110'L_45 + -121'L_46 + -132'L_47 + -144'L_48 + -1'R_4 + -2'R_5 + -4'R_6 + -6'R_7 + -9'R_8 + -12'R_9 + -16'R_10 + -20'R_11 + -25'R_12 + -30'R_13 + -36'R_14 + -42'R_15 + -49'R_16 + -56'R_17 + -64'R_18 + -72'R_19 + -81'R_20 + -90'R_21 + -100'R_22 + -110'R_23 + -121'R_24 + -132'R_25 + -144'R_26 + -156'R_27 + -169'R_28 + -182'R_29 + -196'R_30 + -210'R_31 + -225'R_32 + -240'R_33 + -256'R_34 + -272'R_35 + -289'R_36 + -306'R_37 + -324'R_38 + -342'R_39 + -361'R_40 + -380'R_41 + -400'R_42 + -420'R_43 + -441'R_44 + -462'R_45 + -484'R_46 + -506'R_47 + -529'R_48 + -552'R_49 = -6768
invariant :P_2_9 + P_3_8 + P_3_9 + P_3_10 + P_4_7 + P_4_8 + 2'P_4_9 + P_4_10 + P_4_11 + P_5_6 + P_5_7 + 2'P_5_8 + 2'P_5_9 + 2'P_5_10 + P_5_11 + P_5_12 + P_6_5 + P_6_6 + 2'P_6_7 + 2'P_6_8 + 3'P_6_9 + 2'P_6_10 + 2'P_6_11 + P_6_12 + P_6_13 + P_7_4 + P_7_5 + 2'P_7_6 + 2'P_7_7 + 3'P_7_8 + 3'P_7_9 + 3'P_7_10 + 2'P_7_11 + 2'P_7_12 + P_7_13 + P_7_14 + P_8_3 + P_8_4 + 2'P_8_5 + 2'P_8_6 + 3'P_8_7 + 3'P_8_8 + 4'P_8_9 + 3'P_8_10 + 3'P_8_11 + 2'P_8_12 + 2'P_8_13 + P_8_14 + P_8_15 + P_9_2 + P_9_3 + 2'P_9_4 + 2'P_9_5 + 3'P_9_6 + 3'P_9_7 + 4'P_9_8 + 4'P_9_9 + 4'P_9_10 + 3'P_9_11 + 3'P_9_12 + 2'P_9_13 + 2'P_9_14 + P_9_15 + P_9_16 + P_10_3 + P_10_4 + 2'P_10_5 + 2'P_10_6 + 3'P_10_7 + 3'P_10_8 + 4'P_10_9 + 3'P_10_10 + 3'P_10_11 + 2'P_10_12 + 2'P_10_13 + P_10_14 + P_10_15 + -1'P_10_18 + -1'P_10_19 + -1'P_10_20 + -1'P_10_21 + -1'P_10_22 + -1'P_10_23 + P_11_4 + P_11_5 + 2'P_11_6 + 2'P_11_7 + 3'P_11_8 + 3'P_11_9 + 3'P_11_10 + 2'P_11_11 + 2'P_11_12 + P_11_13 + P_11_14 + -1'P_11_17 + -1'P_11_18 + -2'P_11_19 + -2'P_11_20 + -2'P_11_21 + -2'P_11_22 + -1'P_11_23 + P_12_5 + P_12_6 + 2'P_12_7 + 2'P_12_8 + 3'P_12_9 + 2'P_12_10 + 2'P_12_11 + P_12_12 + P_12_13 + -1'P_12_16 + -1'P_12_17 + -2'P_12_18 + -2'P_12_19 + -3'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + P_13_6 + P_13_7 + 2'P_13_8 + 2'P_13_9 + 2'P_13_10 + P_13_11 + P_13_12 + -1'P_13_15 + -1'P_13_16 + -2'P_13_17 + -2'P_13_18 + -3'P_13_19 + -3'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + P_14_7 + P_14_8 + 2'P_14_9 + P_14_10 + P_14_11 + -1'P_14_14 + -1'P_14_15 + -2'P_14_16 + -2'P_14_17 + -3'P_14_18 + -3'P_14_19 + -3'P_14_20 + -2'P_14_21 + -2'P_14_22 + -1'P_14_23 + P_15_8 + P_15_9 + P_15_10 + -1'P_15_13 + -1'P_15_14 + -2'P_15_15 + -2'P_15_16 + -3'P_15_17 + -3'P_15_18 + -3'P_15_19 + -2'P_15_20 + -2'P_15_21 + -1'P_15_22 + -1'P_15_23 + P_16_9 + -1'P_16_12 + -1'P_16_13 + -2'P_16_14 + -2'P_16_15 + -3'P_16_16 + -3'P_16_17 + -3'P_16_18 + -2'P_16_19 + -2'P_16_20 + -1'P_16_21 + -1'P_16_22 + -1'P_17_11 + -1'P_17_12 + -2'P_17_13 + -2'P_17_14 + -3'P_17_15 + -3'P_17_16 + -3'P_17_17 + -2'P_17_18 + -2'P_17_19 + -1'P_17_20 + -1'P_17_21 + -1'P_18_10 + -1'P_18_11 + -2'P_18_12 + -2'P_18_13 + -3'P_18_14 + -3'P_18_15 + -3'P_18_16 + -2'P_18_17 + -2'P_18_18 + -1'P_18_19 + -1'P_18_20 + -1'P_19_10 + -2'P_19_11 + -2'P_19_12 + -3'P_19_13 + -3'P_19_14 + -3'P_19_15 + -2'P_19_16 + -2'P_19_17 + -1'P_19_18 + -1'P_19_19 + -1'P_20_10 + -2'P_20_11 + -3'P_20_12 + -3'P_20_13 + -3'P_20_14 + -2'P_20_15 + -2'P_20_16 + -1'P_20_17 + -1'P_20_18 + -1'P_21_10 + -2'P_21_11 + -3'P_21_12 + -3'P_21_13 + -2'P_21_14 + -2'P_21_15 + -1'P_21_16 + -1'P_21_17 + -1'P_22_10 + -2'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -1'P_22_15 + -1'P_22_16 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'cX_10 + -2'cX_11 + -3'cX_12 + -4'cX_13 + -5'cX_14 + -6'cX_15 + -7'cX_16 + -8'cX_17 + -9'cX_18 + -10'cX_19 + -11'cX_20 + -12'cX_21 + -13'cX_22 + -14'cX_23 + -15'cX_24 + -1'cY_10 + -2'cY_11 + -3'cY_12 + -4'cY_13 + -5'cY_14 + -6'cY_15 + -7'cY_16 + -8'cY_17 + -9'cY_18 + -10'cY_19 + -11'cY_20 + -12'cY_21 + -13'cY_22 + -14'cY_23 + -15'cY_24 + 8'L_0 + 7'L_1 + 7'L_2 + 6'L_3 + 6'L_4 + 5'L_5 + 5'L_6 + 4'L_7 + 4'L_8 + 3'L_9 + 3'L_10 + 2'L_11 + 2'L_12 + L_13 + L_14 + L_34 + L_35 + 2'L_36 + 2'L_37 + 3'L_38 + 3'L_39 + 4'L_40 + 4'L_41 + 5'L_42 + 5'L_43 + 6'L_44 + 6'L_45 + 7'L_46 + 7'L_47 + 8'L_48 + R_12 + R_13 + 2'R_14 + 2'R_15 + 3'R_16 + 3'R_17 + 4'R_18 + 4'R_19 + 5'R_20 + 5'R_21 + 6'R_22 + 6'R_23 + 7'R_24 + 7'R_25 + 8'R_26 + 8'R_27 + 9'R_28 + 9'R_29 + 10'R_30 + 10'R_31 + 11'R_32 + 11'R_33 + 12'R_34 + 13'R_35 + 15'R_36 + 16'R_37 + 18'R_38 + 19'R_39 + 21'R_40 + 22'R_41 + 23'R_42 + 24'R_43 + 25'R_44 + 26'R_45 + 27'R_46 + 28'R_47 + 29'R_48 + 30'R_49 = 368
invariant :P_0_3 + P_3_3 + P_4_2 + P_4_3 + P_4_4 + P_5_3 + -1'P_5_6 + -1'P_5_7 + -1'P_5_8 + -1'P_5_9 + -1'P_5_10 + -1'P_5_11 + -1'P_5_12 + -1'P_5_13 + -1'P_5_14 + -1'P_5_15 + -1'P_5_16 + -1'P_5_17 + -1'P_5_18 + -1'P_5_19 + -1'P_5_20 + -1'P_5_21 + -1'P_5_22 + -1'P_5_23 + -1'P_6_5 + -1'P_6_6 + -2'P_6_7 + -2'P_6_8 + -2'P_6_9 + -2'P_6_10 + -2'P_6_11 + -2'P_6_12 + -2'P_6_13 + -2'P_6_14 + -2'P_6_15 + -2'P_6_16 + -2'P_6_17 + -2'P_6_18 + -2'P_6_19 + -2'P_6_20 + -2'P_6_21 + -2'P_6_22 + -1'P_6_23 + -1'P_7_4 + -1'P_7_5 + -2'P_7_6 + -2'P_7_7 + -3'P_7_8 + -3'P_7_9 + -3'P_7_10 + -3'P_7_11 + -3'P_7_12 + -3'P_7_13 + -3'P_7_14 + -3'P_7_15 + -3'P_7_16 + -3'P_7_17 + -3'P_7_18 + -3'P_7_19 + -3'P_7_20 + -3'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_4 + -2'P_8_5 + -2'P_8_6 + -3'P_8_7 + -3'P_8_8 + -4'P_8_9 + -4'P_8_10 + -4'P_8_11 + -4'P_8_12 + -4'P_8_13 + -4'P_8_14 + -4'P_8_15 + -4'P_8_16 + -4'P_8_17 + -4'P_8_18 + -4'P_8_19 + -4'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_4 + -2'P_9_5 + -3'P_9_6 + -3'P_9_7 + -4'P_9_8 + -4'P_9_9 + -5'P_9_10 + -5'P_9_11 + -5'P_9_12 + -5'P_9_13 + -5'P_9_14 + -5'P_9_15 + -5'P_9_16 + -5'P_9_17 + -5'P_9_18 + -5'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_4 + -2'P_10_5 + -3'P_10_6 + -4'P_10_7 + -4'P_10_8 + -5'P_10_9 + -5'P_10_10 + -6'P_10_11 + -6'P_10_12 + -6'P_10_13 + -6'P_10_14 + -6'P_10_15 + -6'P_10_16 + -6'P_10_17 + -6'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_4 + -2'P_11_5 + -3'P_11_6 + -4'P_11_7 + -5'P_11_8 + -5'P_11_9 + -6'P_11_10 + -6'P_11_11 + -7'P_11_12 + -7'P_11_13 + -7'P_11_14 + -7'P_11_15 + -7'P_11_16 + -7'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_4 + -2'P_12_5 + -3'P_12_6 + -4'P_12_7 + -5'P_12_8 + -6'P_12_9 + -6'P_12_10 + -7'P_12_11 + -7'P_12_12 + -8'P_12_13 + -8'P_12_14 + -8'P_12_15 + -8'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_4 + -2'P_13_5 + -3'P_13_6 + -4'P_13_7 + -5'P_13_8 + -6'P_13_9 + -7'P_13_10 + -7'P_13_11 + -8'P_13_12 + -8'P_13_13 + -9'P_13_14 + -9'P_13_15 + -8'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_4 + -2'P_14_5 + -3'P_14_6 + -4'P_14_7 + -5'P_14_8 + -6'P_14_9 + -7'P_14_10 + -8'P_14_11 + -8'P_14_12 + -9'P_14_13 + -9'P_14_14 + -9'P_14_15 + -8'P_14_16 + -7'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_4 + -2'P_15_5 + -3'P_15_6 + -4'P_15_7 + -5'P_15_8 + -6'P_15_9 + -7'P_15_10 + -8'P_15_11 + -9'P_15_12 + -9'P_15_13 + -9'P_15_14 + -8'P_15_15 + -8'P_15_16 + -7'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_4 + -2'P_16_5 + -3'P_16_6 + -4'P_16_7 + -5'P_16_8 + -6'P_16_9 + -7'P_16_10 + -8'P_16_11 + -9'P_16_12 + -9'P_16_13 + -8'P_16_14 + -8'P_16_15 + -7'P_16_16 + -7'P_16_17 + -6'P_16_18 + -5'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_4 + -2'P_17_5 + -3'P_17_6 + -4'P_17_7 + -5'P_17_8 + -6'P_17_9 + -7'P_17_10 + -8'P_17_11 + -8'P_17_12 + -8'P_17_13 + -8'P_17_14 + -7'P_17_15 + -7'P_17_16 + -6'P_17_17 + -6'P_17_18 + -5'P_17_19 + -4'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_4 + -2'P_18_5 + -3'P_18_6 + -4'P_18_7 + -5'P_18_8 + -6'P_18_9 + -7'P_18_10 + -7'P_18_11 + -7'P_18_12 + -7'P_18_13 + -7'P_18_14 + -7'P_18_15 + -6'P_18_16 + -6'P_18_17 + -5'P_18_18 + -5'P_18_19 + -4'P_18_20 + -3'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_4 + -2'P_19_5 + -3'P_19_6 + -4'P_19_7 + -5'P_19_8 + -6'P_19_9 + -6'P_19_10 + -6'P_19_11 + -6'P_19_12 + -6'P_19_13 + -6'P_19_14 + -6'P_19_15 + -6'P_19_16 + -5'P_19_17 + -5'P_19_18 + -4'P_19_19 + -4'P_19_20 + -3'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_4 + -2'P_20_5 + -3'P_20_6 + -4'P_20_7 + -5'P_20_8 + -5'P_20_9 + -5'P_20_10 + -5'P_20_11 + -5'P_20_12 + -5'P_20_13 + -5'P_20_14 + -5'P_20_15 + -5'P_20_16 + -5'P_20_17 + -4'P_20_18 + -4'P_20_19 + -3'P_20_20 + -3'P_20_21 + -2'P_20_22 + -1'P_20_23 + -1'P_21_4 + -2'P_21_5 + -3'P_21_6 + -4'P_21_7 + -4'P_21_8 + -4'P_21_9 + -4'P_21_10 + -4'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -4'P_21_15 + -4'P_21_16 + -4'P_21_17 + -4'P_21_18 + -3'P_21_19 + -3'P_21_20 + -2'P_21_21 + -2'P_21_22 + -1'P_21_23 + -1'P_22_4 + -2'P_22_5 + -3'P_22_6 + -3'P_22_7 + -3'P_22_8 + -3'P_22_9 + -3'P_22_10 + -3'P_22_11 + -3'P_22_12 + -3'P_22_13 + -3'P_22_14 + -3'P_22_15 + -3'P_22_16 + -3'P_22_17 + -3'P_22_18 + -3'P_22_19 + -2'P_22_20 + -2'P_22_21 + -1'P_22_22 + -1'P_22_23 + -1'P_23_4 + -2'P_23_5 + -2'P_23_6 + -2'P_23_7 + -2'P_23_8 + -2'P_23_9 + -2'P_23_10 + -2'P_23_11 + -2'P_23_12 + -2'P_23_13 + -2'P_23_14 + -2'P_23_15 + -2'P_23_16 + -2'P_23_17 + -2'P_23_18 + -2'P_23_19 + -2'P_23_20 + -1'P_23_21 + -1'P_23_22 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + -1'cX_5 + -2'cX_6 + -3'cX_7 + -4'cX_8 + -5'cX_9 + -6'cX_10 + -7'cX_11 + -8'cX_12 + -9'cX_13 + -10'cX_14 + -11'cX_15 + -12'cX_16 + -13'cX_17 + -14'cX_18 + -15'cX_19 + -16'cX_20 + -17'cX_21 + -18'cX_22 + -19'cX_23 + -20'cX_24 + -1'cY_4 + -2'cY_5 + -3'cY_6 + -4'cY_7 + -5'cY_8 + -6'cY_9 + -7'cY_10 + -8'cY_11 + -9'cY_12 + -10'cY_13 + -11'cY_14 + -12'cY_15 + -13'cY_16 + -14'cY_17 + -15'cY_18 + -16'cY_19 + -17'cY_20 + -18'cY_21 + -19'cY_22 + -20'cY_23 + -21'cY_24 + 11'L_0 + 11'L_1 + 10'L_2 + 10'L_3 + 9'L_4 + 9'L_5 + 8'L_6 + 8'L_7 + 7'L_8 + 7'L_9 + 6'L_10 + 6'L_11 + 5'L_12 + 5'L_13 + 4'L_14 + 4'L_15 + 3'L_16 + 3'L_17 + 2'L_18 + 2'L_19 + L_20 + L_21 + L_29 + L_30 + 2'L_31 + 2'L_32 + 3'L_33 + 3'L_34 + 4'L_35 + 4'L_36 + 5'L_37 + 5'L_38 + 6'L_39 + 6'L_40 + 7'L_41 + 7'L_42 + 8'L_43 + 8'L_44 + 9'L_45 + 9'L_46 + 10'L_47 + 10'L_48 + R_7 + R_8 + 2'R_9 + 2'R_10 + 3'R_11 + 3'R_12 + 4'R_13 + 4'R_14 + 5'R_15 + 5'R_16 + 6'R_17 + 6'R_18 + 7'R_19 + 7'R_20 + 8'R_21 + 8'R_22 + 9'R_23 + 9'R_24 + 10'R_25 + 10'R_26 + 11'R_27 + 11'R_28 + 12'R_29 + 13'R_30 + 15'R_31 + 16'R_32 + 18'R_33 + 19'R_34 + 21'R_35 + 22'R_36 + 24'R_37 + 25'R_38 + 27'R_39 + 28'R_40 + 30'R_41 + 31'R_42 + 33'R_43 + 34'R_44 + 36'R_45 + 37'R_46 + 39'R_47 + 40'R_48 + 41'R_49 = 494
invariant :P_2_24 + P_3_23 + P_4_22 + P_5_21 + P_6_20 + P_7_19 + P_8_18 + P_9_17 + P_10_16 + P_11_15 + P_12_14 + P_13_13 + P_14_12 + P_15_11 + P_16_10 + P_17_9 + P_18_8 + P_19_7 + P_20_6 + P_21_5 + P_22_4 + P_23_3 + P_24_2 + R_27 = 1
invariant :P_2_6 + P_3_5 + P_3_6 + P_3_7 + P_4_4 + P_4_5 + 2'P_4_6 + P_4_7 + P_4_8 + P_5_3 + P_5_4 + 2'P_5_5 + 2'P_5_6 + 2'P_5_7 + P_5_8 + P_5_9 + P_6_2 + P_6_3 + 2'P_6_4 + 2'P_6_5 + 3'P_6_6 + 2'P_6_7 + 2'P_6_8 + P_6_9 + P_6_10 + P_7_3 + P_7_4 + 2'P_7_5 + 2'P_7_6 + 2'P_7_7 + P_7_8 + P_7_9 + -1'P_7_12 + -1'P_7_13 + -1'P_7_14 + -1'P_7_15 + -1'P_7_16 + -1'P_7_17 + -1'P_7_18 + -1'P_7_19 + -1'P_7_20 + -1'P_7_21 + -1'P_7_22 + -1'P_7_23 + P_8_4 + P_8_5 + 2'P_8_6 + P_8_7 + P_8_8 + -1'P_8_11 + -1'P_8_12 + -2'P_8_13 + -2'P_8_14 + -2'P_8_15 + -2'P_8_16 + -2'P_8_17 + -2'P_8_18 + -2'P_8_19 + -2'P_8_20 + -2'P_8_21 + -2'P_8_22 + -1'P_8_23 + P_9_5 + P_9_6 + P_9_7 + -1'P_9_10 + -1'P_9_11 + -2'P_9_12 + -2'P_9_13 + -3'P_9_14 + -3'P_9_15 + -3'P_9_16 + -3'P_9_17 + -3'P_9_18 + -3'P_9_19 + -3'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + P_10_6 + -1'P_10_9 + -1'P_10_10 + -2'P_10_11 + -2'P_10_12 + -3'P_10_13 + -3'P_10_14 + -4'P_10_15 + -4'P_10_16 + -4'P_10_17 + -4'P_10_18 + -4'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_8 + -1'P_11_9 + -2'P_11_10 + -2'P_11_11 + -3'P_11_12 + -3'P_11_13 + -4'P_11_14 + -4'P_11_15 + -5'P_11_16 + -5'P_11_17 + -5'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_7 + -1'P_12_8 + -2'P_12_9 + -2'P_12_10 + -3'P_12_11 + -3'P_12_12 + -4'P_12_13 + -4'P_12_14 + -5'P_12_15 + -5'P_12_16 + -6'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_7 + -2'P_13_8 + -2'P_13_9 + -3'P_13_10 + -3'P_13_11 + -4'P_13_12 + -4'P_13_13 + -5'P_13_14 + -5'P_13_15 + -6'P_13_16 + -6'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_7 + -2'P_14_8 + -3'P_14_9 + -3'P_14_10 + -4'P_14_11 + -4'P_14_12 + -5'P_14_13 + -5'P_14_14 + -6'P_14_15 + -6'P_14_16 + -6'P_14_17 + -5'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_7 + -2'P_15_8 + -3'P_15_9 + -4'P_15_10 + -4'P_15_11 + -5'P_15_12 + -5'P_15_13 + -6'P_15_14 + -6'P_15_15 + -6'P_15_16 + -5'P_15_17 + -5'P_15_18 + -4'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_7 + -2'P_16_8 + -3'P_16_9 + -4'P_16_10 + -5'P_16_11 + -5'P_16_12 + -6'P_16_13 + -6'P_16_14 + -6'P_16_15 + -5'P_16_16 + -5'P_16_17 + -4'P_16_18 + -4'P_16_19 + -3'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_7 + -2'P_17_8 + -3'P_17_9 + -4'P_17_10 + -5'P_17_11 + -6'P_17_12 + -6'P_17_13 + -6'P_17_14 + -5'P_17_15 + -5'P_17_16 + -4'P_17_17 + -4'P_17_18 + -3'P_17_19 + -3'P_17_20 + -2'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_7 + -2'P_18_8 + -3'P_18_9 + -4'P_18_10 + -5'P_18_11 + -6'P_18_12 + -6'P_18_13 + -5'P_18_14 + -5'P_18_15 + -4'P_18_16 + -4'P_18_17 + -3'P_18_18 + -3'P_18_19 + -2'P_18_20 + -2'P_18_21 + -1'P_18_22 + -1'P_18_23 + -1'P_19_7 + -2'P_19_8 + -3'P_19_9 + -4'P_19_10 + -5'P_19_11 + -5'P_19_12 + -5'P_19_13 + -5'P_19_14 + -4'P_19_15 + -4'P_19_16 + -3'P_19_17 + -3'P_19_18 + -2'P_19_19 + -2'P_19_20 + -1'P_19_21 + -1'P_19_22 + -1'P_20_7 + -2'P_20_8 + -3'P_20_9 + -4'P_20_10 + -4'P_20_11 + -4'P_20_12 + -4'P_20_13 + -4'P_20_14 + -4'P_20_15 + -3'P_20_16 + -3'P_20_17 + -2'P_20_18 + -2'P_20_19 + -1'P_20_20 + -1'P_20_21 + -1'P_21_7 + -2'P_21_8 + -3'P_21_9 + -3'P_21_10 + -3'P_21_11 + -3'P_21_12 + -3'P_21_13 + -3'P_21_14 + -3'P_21_15 + -3'P_21_16 + -2'P_21_17 + -2'P_21_18 + -1'P_21_19 + -1'P_21_20 + -1'P_22_7 + -2'P_22_8 + -2'P_22_9 + -2'P_22_10 + -2'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -2'P_22_15 + -2'P_22_16 + -2'P_22_17 + -1'P_22_18 + -1'P_22_19 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'cX_7 + -2'cX_8 + -3'cX_9 + -4'cX_10 + -5'cX_11 + -6'cX_12 + -7'cX_13 + -8'cX_14 + -9'cX_15 + -10'cX_16 + -11'cX_17 + -12'cX_18 + -13'cX_19 + -14'cX_20 + -15'cX_21 + -16'cX_22 + -17'cX_23 + -18'cX_24 + -1'cY_7 + -2'cY_8 + -3'cY_9 + -4'cY_10 + -5'cY_11 + -6'cY_12 + -7'cY_13 + -8'cY_14 + -9'cY_15 + -10'cY_16 + -11'cY_17 + -12'cY_18 + -13'cY_19 + -14'cY_20 + -15'cY_21 + -16'cY_22 + -17'cY_23 + -18'cY_24 + 9'L_0 + 9'L_1 + 8'L_2 + 8'L_3 + 7'L_4 + 7'L_5 + 6'L_6 + 6'L_7 + 5'L_8 + 5'L_9 + 4'L_10 + 4'L_11 + 3'L_12 + 3'L_13 + 2'L_14 + 2'L_15 + L_16 + L_17 + L_31 + L_32 + 2'L_33 + 2'L_34 + 3'L_35 + 3'L_36 + 4'L_37 + 4'L_38 + 5'L_39 + 5'L_40 + 6'L_41 + 6'L_42 + 7'L_43 + 7'L_44 + 8'L_45 + 8'L_46 + 9'L_47 + 9'L_48 + R_9 + R_10 + 2'R_11 + 2'R_12 + 3'R_13 + 3'R_14 + 4'R_15 + 4'R_16 + 5'R_17 + 5'R_18 + 6'R_19 + 6'R_20 + 7'R_21 + 7'R_22 + 8'R_23 + 8'R_24 + 9'R_25 + 9'R_26 + 10'R_27 + 10'R_28 + 11'R_29 + 11'R_30 + 12'R_31 + 13'R_32 + 15'R_33 + 16'R_34 + 18'R_35 + 19'R_36 + 21'R_37 + 22'R_38 + 24'R_39 + 25'R_40 + 27'R_41 + 28'R_42 + 30'R_43 + 31'R_44 + 32'R_45 + 33'R_46 + 34'R_47 + 35'R_48 + 36'R_49 = 441
invariant :P_15_24 + P_16_23 + P_17_22 + P_18_21 + P_19_20 + P_20_19 + P_21_18 + P_22_17 + P_23_16 + P_24_15 + R_40 = 1
invariant :P_2_4 + P_3_3 + P_3_4 + P_3_5 + P_4_2 + P_4_3 + 2'P_4_4 + P_4_5 + P_4_6 + P_5_3 + P_5_4 + P_5_5 + -1'P_5_8 + -1'P_5_9 + -1'P_5_10 + -1'P_5_11 + -1'P_5_12 + -1'P_5_13 + -1'P_5_14 + -1'P_5_15 + -1'P_5_16 + -1'P_5_17 + -1'P_5_18 + -1'P_5_19 + -1'P_5_20 + -1'P_5_21 + -1'P_5_22 + -1'P_5_23 + P_6_4 + -1'P_6_7 + -1'P_6_8 + -2'P_6_9 + -2'P_6_10 + -2'P_6_11 + -2'P_6_12 + -2'P_6_13 + -2'P_6_14 + -2'P_6_15 + -2'P_6_16 + -2'P_6_17 + -2'P_6_18 + -2'P_6_19 + -2'P_6_20 + -2'P_6_21 + -2'P_6_22 + -1'P_6_23 + -1'P_7_6 + -1'P_7_7 + -2'P_7_8 + -2'P_7_9 + -3'P_7_10 + -3'P_7_11 + -3'P_7_12 + -3'P_7_13 + -3'P_7_14 + -3'P_7_15 + -3'P_7_16 + -3'P_7_17 + -3'P_7_18 + -3'P_7_19 + -3'P_7_20 + -3'P_7_21 + -2'P_7_22 + -1'P_7_23 + -1'P_8_5 + -1'P_8_6 + -2'P_8_7 + -2'P_8_8 + -3'P_8_9 + -3'P_8_10 + -4'P_8_11 + -4'P_8_12 + -4'P_8_13 + -4'P_8_14 + -4'P_8_15 + -4'P_8_16 + -4'P_8_17 + -4'P_8_18 + -4'P_8_19 + -4'P_8_20 + -3'P_8_21 + -2'P_8_22 + -1'P_8_23 + -1'P_9_5 + -2'P_9_6 + -2'P_9_7 + -3'P_9_8 + -3'P_9_9 + -4'P_9_10 + -4'P_9_11 + -5'P_9_12 + -5'P_9_13 + -5'P_9_14 + -5'P_9_15 + -5'P_9_16 + -5'P_9_17 + -5'P_9_18 + -5'P_9_19 + -4'P_9_20 + -3'P_9_21 + -2'P_9_22 + -1'P_9_23 + -1'P_10_5 + -2'P_10_6 + -3'P_10_7 + -3'P_10_8 + -4'P_10_9 + -4'P_10_10 + -5'P_10_11 + -5'P_10_12 + -6'P_10_13 + -6'P_10_14 + -6'P_10_15 + -6'P_10_16 + -6'P_10_17 + -6'P_10_18 + -5'P_10_19 + -4'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + -1'P_11_5 + -2'P_11_6 + -3'P_11_7 + -4'P_11_8 + -4'P_11_9 + -5'P_11_10 + -5'P_11_11 + -6'P_11_12 + -6'P_11_13 + -7'P_11_14 + -7'P_11_15 + -7'P_11_16 + -7'P_11_17 + -6'P_11_18 + -5'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + -1'P_12_5 + -2'P_12_6 + -3'P_12_7 + -4'P_12_8 + -5'P_12_9 + -5'P_12_10 + -6'P_12_11 + -6'P_12_12 + -7'P_12_13 + -7'P_12_14 + -8'P_12_15 + -8'P_12_16 + -7'P_12_17 + -6'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_5 + -2'P_13_6 + -3'P_13_7 + -4'P_13_8 + -5'P_13_9 + -6'P_13_10 + -6'P_13_11 + -7'P_13_12 + -7'P_13_13 + -8'P_13_14 + -8'P_13_15 + -8'P_13_16 + -7'P_13_17 + -6'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_5 + -2'P_14_6 + -3'P_14_7 + -4'P_14_8 + -5'P_14_9 + -6'P_14_10 + -7'P_14_11 + -7'P_14_12 + -8'P_14_13 + -8'P_14_14 + -8'P_14_15 + -7'P_14_16 + -7'P_14_17 + -6'P_14_18 + -5'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_5 + -2'P_15_6 + -3'P_15_7 + -4'P_15_8 + -5'P_15_9 + -6'P_15_10 + -7'P_15_11 + -8'P_15_12 + -8'P_15_13 + -8'P_15_14 + -7'P_15_15 + -7'P_15_16 + -6'P_15_17 + -6'P_15_18 + -5'P_15_19 + -4'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_5 + -2'P_16_6 + -3'P_16_7 + -4'P_16_8 + -5'P_16_9 + -6'P_16_10 + -7'P_16_11 + -8'P_16_12 + -8'P_16_13 + -7'P_16_14 + -7'P_16_15 + -6'P_16_16 + -6'P_16_17 + -5'P_16_18 + -5'P_16_19 + -4'P_16_20 + -3'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_5 + -2'P_17_6 + -3'P_17_7 + -4'P_17_8 + -5'P_17_9 + -6'P_17_10 + -7'P_17_11 + -7'P_17_12 + -7'P_17_13 + -7'P_17_14 + -6'P_17_15 + -6'P_17_16 + -5'P_17_17 + -5'P_17_18 + -4'P_17_19 + -4'P_17_20 + -3'P_17_21 + -2'P_17_22 + -1'P_17_23 + -1'P_18_5 + -2'P_18_6 + -3'P_18_7 + -4'P_18_8 + -5'P_18_9 + -6'P_18_10 + -6'P_18_11 + -6'P_18_12 + -6'P_18_13 + -6'P_18_14 + -6'P_18_15 + -5'P_18_16 + -5'P_18_17 + -4'P_18_18 + -4'P_18_19 + -3'P_18_20 + -3'P_18_21 + -2'P_18_22 + -1'P_18_23 + -1'P_19_5 + -2'P_19_6 + -3'P_19_7 + -4'P_19_8 + -5'P_19_9 + -5'P_19_10 + -5'P_19_11 + -5'P_19_12 + -5'P_19_13 + -5'P_19_14 + -5'P_19_15 + -5'P_19_16 + -4'P_19_17 + -4'P_19_18 + -3'P_19_19 + -3'P_19_20 + -2'P_19_21 + -2'P_19_22 + -1'P_19_23 + -1'P_20_5 + -2'P_20_6 + -3'P_20_7 + -4'P_20_8 + -4'P_20_9 + -4'P_20_10 + -4'P_20_11 + -4'P_20_12 + -4'P_20_13 + -4'P_20_14 + -4'P_20_15 + -4'P_20_16 + -4'P_20_17 + -3'P_20_18 + -3'P_20_19 + -2'P_20_20 + -2'P_20_21 + -1'P_20_22 + -1'P_20_23 + -1'P_21_5 + -2'P_21_6 + -3'P_21_7 + -3'P_21_8 + -3'P_21_9 + -3'P_21_10 + -3'P_21_11 + -3'P_21_12 + -3'P_21_13 + -3'P_21_14 + -3'P_21_15 + -3'P_21_16 + -3'P_21_17 + -3'P_21_18 + -2'P_21_19 + -2'P_21_20 + -1'P_21_21 + -1'P_21_22 + -1'P_22_5 + -2'P_22_6 + -2'P_22_7 + -2'P_22_8 + -2'P_22_9 + -2'P_22_10 + -2'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -2'P_22_15 + -2'P_22_16 + -2'P_22_17 + -2'P_22_18 + -2'P_22_19 + -1'P_22_20 + -1'P_22_21 + -1'P_23_5 + -1'P_23_6 + -1'P_23_7 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'P_23_18 + -1'P_23_19 + -1'P_23_20 + -1'cX_5 + -2'cX_6 + -3'cX_7 + -4'cX_8 + -5'cX_9 + -6'cX_10 + -7'cX_11 + -8'cX_12 + -9'cX_13 + -10'cX_14 + -11'cX_15 + -12'cX_16 + -13'cX_17 + -14'cX_18 + -15'cX_19 + -16'cX_20 + -17'cX_21 + -18'cX_22 + -19'cX_23 + -20'cX_24 + -1'cY_5 + -2'cY_6 + -3'cY_7 + -4'cY_8 + -5'cY_9 + -6'cY_10 + -7'cY_11 + -8'cY_12 + -9'cY_13 + -10'cY_14 + -11'cY_15 + -12'cY_16 + -13'cY_17 + -14'cY_18 + -15'cY_19 + -16'cY_20 + -17'cY_21 + -18'cY_22 + -19'cY_23 + -20'cY_24 + 10'L_0 + 10'L_1 + 9'L_2 + 9'L_3 + 8'L_4 + 8'L_5 + 7'L_6 + 7'L_7 + 6'L_8 + 6'L_9 + 5'L_10 + 5'L_11 + 4'L_12 + 4'L_13 + 3'L_14 + 3'L_15 + 2'L_16 + 2'L_17 + L_18 + L_19 + L_29 + L_30 + 2'L_31 + 2'L_32 + 3'L_33 + 3'L_34 + 4'L_35 + 4'L_36 + 5'L_37 + 5'L_38 + 6'L_39 + 6'L_40 + 7'L_41 + 7'L_42 + 8'L_43 + 8'L_44 + 9'L_45 + 9'L_46 + 10'L_47 + 10'L_48 + R_7 + R_8 + 2'R_9 + 2'R_10 + 3'R_11 + 3'R_12 + 4'R_13 + 4'R_14 + 5'R_15 + 5'R_16 + 6'R_17 + 6'R_18 + 7'R_19 + 7'R_20 + 8'R_21 + 8'R_22 + 9'R_23 + 9'R_24 + 10'R_25 + 10'R_26 + 11'R_27 + 11'R_28 + 12'R_29 + 13'R_30 + 15'R_31 + 16'R_32 + 18'R_33 + 19'R_34 + 21'R_35 + 22'R_36 + 24'R_37 + 25'R_38 + 27'R_39 + 28'R_40 + 30'R_41 + 31'R_42 + 33'R_43 + 34'R_44 + 36'R_45 + 37'R_46 + 38'R_47 + 39'R_48 + 40'R_49 = 490
invariant :P_1_19 + -1'P_3_18 + -1'P_3_19 + -1'P_3_20 + -1'P_4_17 + -2'P_4_18 + -2'P_4_19 + -2'P_4_20 + -1'P_4_21 + -1'P_5_16 + -2'P_5_17 + -3'P_5_18 + -3'P_5_19 + -3'P_5_20 + -2'P_5_21 + -1'P_5_22 + -1'P_6_15 + -2'P_6_16 + -3'P_6_17 + -4'P_6_18 + -4'P_6_19 + -4'P_6_20 + -3'P_6_21 + -2'P_6_22 + -1'P_6_23 + -1'P_7_14 + -2'P_7_15 + -3'P_7_16 + -4'P_7_17 + -5'P_7_18 + -5'P_7_19 + -5'P_7_20 + -4'P_7_21 + -3'P_7_22 + -2'P_7_23 + -1'P_8_13 + -2'P_8_14 + -3'P_8_15 + -4'P_8_16 + -5'P_8_17 + -6'P_8_18 + -6'P_8_19 + -6'P_8_20 + -5'P_8_21 + -4'P_8_22 + -2'P_8_23 + -1'P_9_12 + -2'P_9_13 + -3'P_9_14 + -4'P_9_15 + -5'P_9_16 + -6'P_9_17 + -7'P_9_18 + -7'P_9_19 + -7'P_9_20 + -6'P_9_21 + -4'P_9_22 + -2'P_9_23 + -1'P_10_11 + -2'P_10_12 + -3'P_10_13 + -4'P_10_14 + -5'P_10_15 + -6'P_10_16 + -7'P_10_17 + -8'P_10_18 + -8'P_10_19 + -8'P_10_20 + -6'P_10_21 + -4'P_10_22 + -2'P_10_23 + -1'P_11_10 + -2'P_11_11 + -3'P_11_12 + -4'P_11_13 + -5'P_11_14 + -6'P_11_15 + -7'P_11_16 + -8'P_11_17 + -9'P_11_18 + -9'P_11_19 + -8'P_11_20 + -6'P_11_21 + -4'P_11_22 + -2'P_11_23 + -1'P_12_9 + -2'P_12_10 + -3'P_12_11 + -4'P_12_12 + -5'P_12_13 + -6'P_12_14 + -7'P_12_15 + -8'P_12_16 + -9'P_12_17 + -10'P_12_18 + -9'P_12_19 + -8'P_12_20 + -6'P_12_21 + -4'P_12_22 + -2'P_12_23 + -1'P_13_8 + -2'P_13_9 + -3'P_13_10 + -4'P_13_11 + -5'P_13_12 + -6'P_13_13 + -7'P_13_14 + -8'P_13_15 + -9'P_13_16 + -10'P_13_17 + -10'P_13_18 + -9'P_13_19 + -8'P_13_20 + -6'P_13_21 + -4'P_13_22 + -2'P_13_23 + -1'P_14_7 + -2'P_14_8 + -3'P_14_9 + -4'P_14_10 + -5'P_14_11 + -6'P_14_12 + -7'P_14_13 + -8'P_14_14 + -9'P_14_15 + -10'P_14_16 + -10'P_14_17 + -10'P_14_18 + -9'P_14_19 + -8'P_14_20 + -6'P_14_21 + -4'P_14_22 + -2'P_14_23 + -1'P_15_6 + -2'P_15_7 + -3'P_15_8 + -4'P_15_9 + -5'P_15_10 + -6'P_15_11 + -7'P_15_12 + -8'P_15_13 + -9'P_15_14 + -10'P_15_15 + -10'P_15_16 + -10'P_15_17 + -10'P_15_18 + -9'P_15_19 + -8'P_15_20 + -6'P_15_21 + -4'P_15_22 + -2'P_15_23 + -1'P_16_5 + -2'P_16_6 + -3'P_16_7 + -4'P_16_8 + -5'P_16_9 + -6'P_16_10 + -7'P_16_11 + -8'P_16_12 + -9'P_16_13 + -10'P_16_14 + -10'P_16_15 + -10'P_16_16 + -10'P_16_17 + -10'P_16_18 + -9'P_16_19 + -8'P_16_20 + -6'P_16_21 + -4'P_16_22 + -2'P_16_23 + -1'P_17_4 + -2'P_17_5 + -3'P_17_6 + -4'P_17_7 + -5'P_17_8 + -6'P_17_9 + -7'P_17_10 + -8'P_17_11 + -9'P_17_12 + -10'P_17_13 + -10'P_17_14 + -10'P_17_15 + -10'P_17_16 + -10'P_17_17 + -10'P_17_18 + -9'P_17_19 + -8'P_17_20 + -6'P_17_21 + -4'P_17_22 + -2'P_17_23 + -1'P_18_3 + -2'P_18_4 + -3'P_18_5 + -4'P_18_6 + -5'P_18_7 + -6'P_18_8 + -7'P_18_9 + -8'P_18_10 + -9'P_18_11 + -10'P_18_12 + -10'P_18_13 + -10'P_18_14 + -10'P_18_15 + -10'P_18_16 + -10'P_18_17 + -10'P_18_18 + -9'P_18_19 + -8'P_18_20 + -6'P_18_21 + -4'P_18_22 + -2'P_18_23 + -1'P_19_2 + -2'P_19_3 + -3'P_19_4 + -4'P_19_5 + -5'P_19_6 + -6'P_19_7 + -7'P_19_8 + -8'P_19_9 + -9'P_19_10 + -10'P_19_11 + -10'P_19_12 + -10'P_19_13 + -10'P_19_14 + -10'P_19_15 + -10'P_19_16 + -10'P_19_17 + -10'P_19_18 + -9'P_19_19 + -8'P_19_20 + -6'P_19_21 + -4'P_19_22 + -2'P_19_23 + -1'P_20_2 + -2'P_20_3 + -3'P_20_4 + -4'P_20_5 + -5'P_20_6 + -6'P_20_7 + -7'P_20_8 + -8'P_20_9 + -9'P_20_10 + -9'P_20_11 + -9'P_20_12 + -9'P_20_13 + -9'P_20_14 + -9'P_20_15 + -9'P_20_16 + -9'P_20_17 + -9'P_20_18 + -8'P_20_19 + -7'P_20_20 + -5'P_20_21 + -3'P_20_22 + -1'P_20_23 + -1'P_21_3 + -2'P_21_4 + -3'P_21_5 + -4'P_21_6 + -5'P_21_7 + -6'P_21_8 + -7'P_21_9 + -7'P_21_10 + -7'P_21_11 + -7'P_21_12 + -7'P_21_13 + -7'P_21_14 + -7'P_21_15 + -7'P_21_16 + -7'P_21_17 + -7'P_21_18 + -6'P_21_19 + -5'P_21_20 + -3'P_21_21 + -1'P_21_22 + -1'P_22_4 + -2'P_22_5 + -3'P_22_6 + -4'P_22_7 + -5'P_22_8 + -5'P_22_9 + -5'P_22_10 + -5'P_22_11 + -5'P_22_12 + -5'P_22_13 + -5'P_22_14 + -5'P_22_15 + -5'P_22_16 + -5'P_22_17 + -5'P_22_18 + -4'P_22_19 + -3'P_22_20 + -1'P_22_21 + -1'P_23_5 + -2'P_23_6 + -3'P_23_7 + -3'P_23_8 + -3'P_23_9 + -3'P_23_10 + -3'P_23_11 + -3'P_23_12 + -3'P_23_13 + -3'P_23_14 + -3'P_23_15 + -3'P_23_16 + -3'P_23_17 + -3'P_23_18 + -2'P_23_19 + -1'P_23_20 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + cX_20 + 3'cX_21 + 5'cX_22 + 7'cX_23 + 9'cX_24 + cY_19 + 2'cY_20 + 4'cY_21 + 6'cY_22 + 8'cY_23 + 10'cY_24 + -6'L_0 + -5'L_1 + -4'L_2 + -3'L_3 + -2'L_4 + -1'L_5 + -1'L_44 + -2'L_45 + -3'L_46 + -4'L_47 + -5'L_48 + -1'R_22 + -2'R_23 + -3'R_24 + -4'R_25 + -5'R_26 + -6'R_27 + -7'R_28 + -8'R_29 + -9'R_30 + -10'R_31 + -10'R_32 + -10'R_33 + -10'R_34 + -10'R_35 + -10'R_36 + -10'R_37 + -10'R_38 + -10'R_39 + -10'R_40 + -10'R_41 + -10'R_42 + -10'R_43 + -10'R_44 + -11'R_45 + -13'R_46 + -15'R_47 + -17'R_48 + -19'R_49 = -240
invariant :P_0_11 + P_3_11 + P_4_10 + P_4_11 + P_4_12 + P_5_9 + P_5_10 + 2'P_5_11 + P_5_12 + P_5_13 + P_6_8 + P_6_9 + 2'P_6_10 + 2'P_6_11 + 2'P_6_12 + P_6_13 + P_6_14 + P_7_7 + P_7_8 + 2'P_7_9 + 2'P_7_10 + 3'P_7_11 + 2'P_7_12 + 2'P_7_13 + P_7_14 + P_7_15 + P_8_6 + P_8_7 + 2'P_8_8 + 2'P_8_9 + 3'P_8_10 + 3'P_8_11 + 3'P_8_12 + 2'P_8_13 + 2'P_8_14 + P_8_15 + P_8_16 + P_9_5 + P_9_6 + 2'P_9_7 + 2'P_9_8 + 3'P_9_9 + 3'P_9_10 + 4'P_9_11 + 3'P_9_12 + 3'P_9_13 + 2'P_9_14 + 2'P_9_15 + P_9_16 + P_9_17 + P_10_4 + P_10_5 + 2'P_10_6 + 2'P_10_7 + 3'P_10_8 + 3'P_10_9 + 4'P_10_10 + 4'P_10_11 + 4'P_10_12 + 3'P_10_13 + 3'P_10_14 + 2'P_10_15 + 2'P_10_16 + P_10_17 + P_10_18 + P_11_3 + P_11_4 + 2'P_11_5 + 2'P_11_6 + 3'P_11_7 + 3'P_11_8 + 4'P_11_9 + 4'P_11_10 + 5'P_11_11 + 4'P_11_12 + 4'P_11_13 + 3'P_11_14 + 3'P_11_15 + 2'P_11_16 + 2'P_11_17 + P_11_18 + P_11_19 + P_12_2 + P_12_3 + 2'P_12_4 + 2'P_12_5 + 3'P_12_6 + 3'P_12_7 + 4'P_12_8 + 4'P_12_9 + 5'P_12_10 + 5'P_12_11 + 5'P_12_12 + 4'P_12_13 + 4'P_12_14 + 3'P_12_15 + 3'P_12_16 + 2'P_12_17 + 2'P_12_18 + P_12_19 + P_12_20 + P_13_3 + P_13_4 + 2'P_13_5 + 2'P_13_6 + 3'P_13_7 + 3'P_13_8 + 4'P_13_9 + 4'P_13_10 + 5'P_13_11 + 4'P_13_12 + 4'P_13_13 + 3'P_13_14 + 3'P_13_15 + 2'P_13_16 + 2'P_13_17 + P_13_18 + P_13_19 + -1'P_13_22 + -1'P_13_23 + P_14_4 + P_14_5 + 2'P_14_6 + 2'P_14_7 + 3'P_14_8 + 3'P_14_9 + 4'P_14_10 + 4'P_14_11 + 4'P_14_12 + 3'P_14_13 + 3'P_14_14 + 2'P_14_15 + 2'P_14_16 + P_14_17 + P_14_18 + -1'P_14_21 + -1'P_14_22 + -1'P_14_23 + P_15_5 + P_15_6 + 2'P_15_7 + 2'P_15_8 + 3'P_15_9 + 3'P_15_10 + 4'P_15_11 + 3'P_15_12 + 3'P_15_13 + 2'P_15_14 + 2'P_15_15 + P_15_16 + P_15_17 + -1'P_15_20 + -1'P_15_21 + -1'P_15_22 + P_16_6 + P_16_7 + 2'P_16_8 + 2'P_16_9 + 3'P_16_10 + 3'P_16_11 + 3'P_16_12 + 2'P_16_13 + 2'P_16_14 + P_16_15 + P_16_16 + -1'P_16_19 + -1'P_16_20 + -1'P_16_21 + P_17_7 + P_17_8 + 2'P_17_9 + 2'P_17_10 + 3'P_17_11 + 2'P_17_12 + 2'P_17_13 + P_17_14 + P_17_15 + -1'P_17_18 + -1'P_17_19 + -1'P_17_20 + P_18_8 + P_18_9 + 2'P_18_10 + 2'P_18_11 + 2'P_18_12 + P_18_13 + P_18_14 + -1'P_18_17 + -1'P_18_18 + -1'P_18_19 + P_19_9 + P_19_10 + 2'P_19_11 + P_19_12 + P_19_13 + -1'P_19_16 + -1'P_19_17 + -1'P_19_18 + P_20_10 + P_20_11 + P_20_12 + -1'P_20_15 + -1'P_20_16 + -1'P_20_17 + P_21_11 + -1'P_21_14 + -1'P_21_15 + -1'P_21_16 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_24_12 + -1'P_24_13 + -1'cX_13 + -2'cX_14 + -3'cX_15 + -4'cX_16 + -5'cX_17 + -6'cX_18 + -7'cX_19 + -8'cX_20 + -9'cX_21 + -10'cX_22 + -11'cX_23 + -12'cX_24 + -1'cY_12 + -2'cY_13 + -3'cY_14 + -4'cY_15 + -5'cY_16 + -6'cY_17 + -7'cY_18 + -8'cY_19 + -9'cY_20 + -10'cY_21 + -11'cY_22 + -12'cY_23 + -13'cY_24 + 7'L_0 + 7'L_1 + 6'L_2 + 6'L_3 + 5'L_4 + 5'L_5 + 4'L_6 + 4'L_7 + 3'L_8 + 3'L_9 + 2'L_10 + 2'L_11 + L_12 + L_13 + L_37 + L_38 + 2'L_39 + 2'L_40 + 3'L_41 + 3'L_42 + 4'L_43 + 4'L_44 + 5'L_45 + 5'L_46 + 6'L_47 + 6'L_48 + R_15 + R_16 + 2'R_17 + 2'R_18 + 3'R_19 + 3'R_20 + 4'R_21 + 4'R_22 + 5'R_23 + 5'R_24 + 6'R_25 + 6'R_26 + 7'R_27 + 7'R_28 + 8'R_29 + 8'R_30 + 9'R_31 + 9'R_32 + 10'R_33 + 10'R_34 + 11'R_35 + 11'R_36 + 12'R_37 + 13'R_38 + 15'R_39 + 16'R_40 + 17'R_41 + 18'R_42 + 19'R_43 + 20'R_44 + 21'R_45 + 22'R_46 + 23'R_47 + 24'R_48 + 25'R_49 = 306
invariant :P_1_22 + -1'P_3_21 + -1'P_3_22 + -1'P_3_23 + -1'P_4_20 + -2'P_4_21 + -2'P_4_22 + -2'P_4_23 + -1'P_5_19 + -2'P_5_20 + -3'P_5_21 + -3'P_5_22 + -2'P_5_23 + -1'P_6_18 + -2'P_6_19 + -3'P_6_20 + -4'P_6_21 + -3'P_6_22 + -2'P_6_23 + -1'P_7_17 + -2'P_7_18 + -3'P_7_19 + -4'P_7_20 + -4'P_7_21 + -3'P_7_22 + -2'P_7_23 + -1'P_8_16 + -2'P_8_17 + -3'P_8_18 + -4'P_8_19 + -4'P_8_20 + -4'P_8_21 + -3'P_8_22 + -2'P_8_23 + -1'P_9_15 + -2'P_9_16 + -3'P_9_17 + -4'P_9_18 + -4'P_9_19 + -4'P_9_20 + -4'P_9_21 + -3'P_9_22 + -2'P_9_23 + -1'P_10_14 + -2'P_10_15 + -3'P_10_16 + -4'P_10_17 + -4'P_10_18 + -4'P_10_19 + -4'P_10_20 + -4'P_10_21 + -3'P_10_22 + -2'P_10_23 + -1'P_11_13 + -2'P_11_14 + -3'P_11_15 + -4'P_11_16 + -4'P_11_17 + -4'P_11_18 + -4'P_11_19 + -4'P_11_20 + -4'P_11_21 + -3'P_11_22 + -2'P_11_23 + -1'P_12_12 + -2'P_12_13 + -3'P_12_14 + -4'P_12_15 + -4'P_12_16 + -4'P_12_17 + -4'P_12_18 + -4'P_12_19 + -4'P_12_20 + -4'P_12_21 + -3'P_12_22 + -2'P_12_23 + -1'P_13_11 + -2'P_13_12 + -3'P_13_13 + -4'P_13_14 + -4'P_13_15 + -4'P_13_16 + -4'P_13_17 + -4'P_13_18 + -4'P_13_19 + -4'P_13_20 + -4'P_13_21 + -3'P_13_22 + -2'P_13_23 + -1'P_14_10 + -2'P_14_11 + -3'P_14_12 + -4'P_14_13 + -4'P_14_14 + -4'P_14_15 + -4'P_14_16 + -4'P_14_17 + -4'P_14_18 + -4'P_14_19 + -4'P_14_20 + -4'P_14_21 + -3'P_14_22 + -2'P_14_23 + -1'P_15_9 + -2'P_15_10 + -3'P_15_11 + -4'P_15_12 + -4'P_15_13 + -4'P_15_14 + -4'P_15_15 + -4'P_15_16 + -4'P_15_17 + -4'P_15_18 + -4'P_15_19 + -4'P_15_20 + -4'P_15_21 + -3'P_15_22 + -2'P_15_23 + -1'P_16_8 + -2'P_16_9 + -3'P_16_10 + -4'P_16_11 + -4'P_16_12 + -4'P_16_13 + -4'P_16_14 + -4'P_16_15 + -4'P_16_16 + -4'P_16_17 + -4'P_16_18 + -4'P_16_19 + -4'P_16_20 + -4'P_16_21 + -3'P_16_22 + -2'P_16_23 + -1'P_17_7 + -2'P_17_8 + -3'P_17_9 + -4'P_17_10 + -4'P_17_11 + -4'P_17_12 + -4'P_17_13 + -4'P_17_14 + -4'P_17_15 + -4'P_17_16 + -4'P_17_17 + -4'P_17_18 + -4'P_17_19 + -4'P_17_20 + -4'P_17_21 + -3'P_17_22 + -2'P_17_23 + -1'P_18_6 + -2'P_18_7 + -3'P_18_8 + -4'P_18_9 + -4'P_18_10 + -4'P_18_11 + -4'P_18_12 + -4'P_18_13 + -4'P_18_14 + -4'P_18_15 + -4'P_18_16 + -4'P_18_17 + -4'P_18_18 + -4'P_18_19 + -4'P_18_20 + -4'P_18_21 + -3'P_18_22 + -2'P_18_23 + -1'P_19_5 + -2'P_19_6 + -3'P_19_7 + -4'P_19_8 + -4'P_19_9 + -4'P_19_10 + -4'P_19_11 + -4'P_19_12 + -4'P_19_13 + -4'P_19_14 + -4'P_19_15 + -4'P_19_16 + -4'P_19_17 + -4'P_19_18 + -4'P_19_19 + -4'P_19_20 + -4'P_19_21 + -3'P_19_22 + -2'P_19_23 + -1'P_20_4 + -2'P_20_5 + -3'P_20_6 + -4'P_20_7 + -4'P_20_8 + -4'P_20_9 + -4'P_20_10 + -4'P_20_11 + -4'P_20_12 + -4'P_20_13 + -4'P_20_14 + -4'P_20_15 + -4'P_20_16 + -4'P_20_17 + -4'P_20_18 + -4'P_20_19 + -4'P_20_20 + -4'P_20_21 + -3'P_20_22 + -2'P_20_23 + -1'P_21_3 + -2'P_21_4 + -3'P_21_5 + -4'P_21_6 + -4'P_21_7 + -4'P_21_8 + -4'P_21_9 + -4'P_21_10 + -4'P_21_11 + -4'P_21_12 + -4'P_21_13 + -4'P_21_14 + -4'P_21_15 + -4'P_21_16 + -4'P_21_17 + -4'P_21_18 + -4'P_21_19 + -4'P_21_20 + -4'P_21_21 + -3'P_21_22 + -2'P_21_23 + -1'P_22_2 + -2'P_22_3 + -3'P_22_4 + -4'P_22_5 + -4'P_22_6 + -4'P_22_7 + -4'P_22_8 + -4'P_22_9 + -4'P_22_10 + -4'P_22_11 + -4'P_22_12 + -4'P_22_13 + -4'P_22_14 + -4'P_22_15 + -4'P_22_16 + -4'P_22_17 + -4'P_22_18 + -4'P_22_19 + -4'P_22_20 + -4'P_22_21 + -3'P_22_22 + -2'P_22_23 + -1'P_23_2 + -2'P_23_3 + -3'P_23_4 + -3'P_23_5 + -3'P_23_6 + -3'P_23_7 + -3'P_23_8 + -3'P_23_9 + -3'P_23_10 + -3'P_23_11 + -3'P_23_12 + -3'P_23_13 + -3'P_23_14 + -3'P_23_15 + -3'P_23_16 + -3'P_23_17 + -3'P_23_18 + -3'P_23_19 + -3'P_23_20 + -3'P_23_21 + -2'P_23_22 + -1'P_23_23 + -1'P_24_3 + -1'P_24_4 + -1'P_24_5 + -1'P_24_6 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + -1'P_24_18 + -1'P_24_19 + -1'P_24_20 + -1'P_24_21 + cX_23 + 3'cX_24 + cY_22 + 2'cY_23 + 4'cY_24 + -3'L_0 + -2'L_1 + -1'L_2 + -1'L_47 + -2'L_48 + -1'R_25 + -2'R_26 + -3'R_27 + -4'R_28 + -4'R_29 + -4'R_30 + -4'R_31 + -4'R_32 + -4'R_33 + -4'R_34 + -4'R_35 + -4'R_36 + -4'R_37 + -4'R_38 + -4'R_39 + -4'R_40 + -4'R_41 + -4'R_42 + -4'R_43 + -4'R_44 + -4'R_45 + -4'R_46 + -4'R_47 + -5'R_48 + -7'R_49 = -96
invariant :P_0_12 + P_3_12 + P_4_11 + P_4_12 + P_4_13 + P_5_10 + P_5_11 + 2'P_5_12 + P_5_13 + P_5_14 + P_6_9 + P_6_10 + 2'P_6_11 + 2'P_6_12 + 2'P_6_13 + P_6_14 + P_6_15 + P_7_8 + P_7_9 + 2'P_7_10 + 2'P_7_11 + 3'P_7_12 + 2'P_7_13 + 2'P_7_14 + P_7_15 + P_7_16 + P_8_7 + P_8_8 + 2'P_8_9 + 2'P_8_10 + 3'P_8_11 + 3'P_8_12 + 3'P_8_13 + 2'P_8_14 + 2'P_8_15 + P_8_16 + P_8_17 + P_9_6 + P_9_7 + 2'P_9_8 + 2'P_9_9 + 3'P_9_10 + 3'P_9_11 + 4'P_9_12 + 3'P_9_13 + 3'P_9_14 + 2'P_9_15 + 2'P_9_16 + P_9_17 + P_9_18 + P_10_5 + P_10_6 + 2'P_10_7 + 2'P_10_8 + 3'P_10_9 + 3'P_10_10 + 4'P_10_11 + 4'P_10_12 + 4'P_10_13 + 3'P_10_14 + 3'P_10_15 + 2'P_10_16 + 2'P_10_17 + P_10_18 + P_10_19 + P_11_4 + P_11_5 + 2'P_11_6 + 2'P_11_7 + 3'P_11_8 + 3'P_11_9 + 4'P_11_10 + 4'P_11_11 + 5'P_11_12 + 4'P_11_13 + 4'P_11_14 + 3'P_11_15 + 3'P_11_16 + 2'P_11_17 + 2'P_11_18 + P_11_19 + P_11_20 + P_12_3 + P_12_4 + 2'P_12_5 + 2'P_12_6 + 3'P_12_7 + 3'P_12_8 + 4'P_12_9 + 4'P_12_10 + 5'P_12_11 + 5'P_12_12 + 5'P_12_13 + 4'P_12_14 + 4'P_12_15 + 3'P_12_16 + 3'P_12_17 + 2'P_12_18 + 2'P_12_19 + P_12_20 + P_12_21 + P_13_2 + P_13_3 + 2'P_13_4 + 2'P_13_5 + 3'P_13_6 + 3'P_13_7 + 4'P_13_8 + 4'P_13_9 + 5'P_13_10 + 5'P_13_11 + 6'P_13_12 + 5'P_13_13 + 5'P_13_14 + 4'P_13_15 + 4'P_13_16 + 3'P_13_17 + 3'P_13_18 + 2'P_13_19 + 2'P_13_20 + P_13_21 + P_13_22 + P_14_3 + P_14_4 + 2'P_14_5 + 2'P_14_6 + 3'P_14_7 + 3'P_14_8 + 4'P_14_9 + 4'P_14_10 + 5'P_14_11 + 5'P_14_12 + 5'P_14_13 + 4'P_14_14 + 4'P_14_15 + 3'P_14_16 + 3'P_14_17 + 2'P_14_18 + 2'P_14_19 + P_14_20 + P_14_21 + P_15_4 + P_15_5 + 2'P_15_6 + 2'P_15_7 + 3'P_15_8 + 3'P_15_9 + 4'P_15_10 + 4'P_15_11 + 5'P_15_12 + 4'P_15_13 + 4'P_15_14 + 3'P_15_15 + 3'P_15_16 + 2'P_15_17 + 2'P_15_18 + P_15_19 + P_15_20 + P_16_5 + P_16_6 + 2'P_16_7 + 2'P_16_8 + 3'P_16_9 + 3'P_16_10 + 4'P_16_11 + 4'P_16_12 + 4'P_16_13 + 3'P_16_14 + 3'P_16_15 + 2'P_16_16 + 2'P_16_17 + P_16_18 + P_16_19 + P_17_6 + P_17_7 + 2'P_17_8 + 2'P_17_9 + 3'P_17_10 + 3'P_17_11 + 4'P_17_12 + 3'P_17_13 + 3'P_17_14 + 2'P_17_15 + 2'P_17_16 + P_17_17 + P_17_18 + P_18_7 + P_18_8 + 2'P_18_9 + 2'P_18_10 + 3'P_18_11 + 3'P_18_12 + 3'P_18_13 + 2'P_18_14 + 2'P_18_15 + P_18_16 + P_18_17 + P_19_8 + P_19_9 + 2'P_19_10 + 2'P_19_11 + 3'P_19_12 + 2'P_19_13 + 2'P_19_14 + P_19_15 + P_19_16 + P_20_9 + P_20_10 + 2'P_20_11 + 2'P_20_12 + 2'P_20_13 + P_20_14 + P_20_15 + P_21_10 + P_21_11 + 2'P_21_12 + P_21_13 + P_21_14 + P_22_11 + P_22_12 + P_22_13 + P_23_12 + -1'cX_14 + -2'cX_15 + -3'cX_16 + -4'cX_17 + -5'cX_18 + -6'cX_19 + -7'cX_20 + -8'cX_21 + -9'cX_22 + -10'cX_23 + -11'cX_24 + -1'cY_13 + -2'cY_14 + -3'cY_15 + -4'cY_16 + -5'cY_17 + -6'cY_18 + -7'cY_19 + -8'cY_20 + -9'cY_21 + -10'cY_22 + -11'cY_23 + -12'cY_24 + 7'L_0 + 6'L_1 + 6'L_2 + 5'L_3 + 5'L_4 + 4'L_5 + 4'L_6 + 3'L_7 + 3'L_8 + 2'L_9 + 2'L_10 + L_11 + L_12 + L_38 + L_39 + 2'L_40 + 2'L_41 + 3'L_42 + 3'L_43 + 4'L_44 + 4'L_45 + 5'L_46 + 5'L_47 + 6'L_48 + R_16 + R_17 + 2'R_18 + 2'R_19 + 3'R_20 + 3'R_21 + 4'R_22 + 4'R_23 + 5'R_24 + 5'R_25 + 6'R_26 + 6'R_27 + 7'R_28 + 7'R_29 + 8'R_30 + 8'R_31 + 9'R_32 + 9'R_33 + 10'R_34 + 10'R_35 + 11'R_36 + 11'R_37 + 12'R_38 + 13'R_39 + 14'R_40 + 15'R_41 + 16'R_42 + 17'R_43 + 18'R_44 + 19'R_45 + 20'R_46 + 21'R_47 + 22'R_48 + 23'R_49 = 283
invariant :P_0_20 + P_3_20 + P_4_19 + P_4_20 + P_4_21 + P_5_18 + P_5_19 + 2'P_5_20 + P_5_21 + P_5_22 + P_6_17 + P_6_18 + 2'P_6_19 + 2'P_6_20 + 2'P_6_21 + P_6_22 + P_6_23 + P_7_16 + P_7_17 + 2'P_7_18 + 2'P_7_19 + 3'P_7_20 + 2'P_7_21 + 2'P_7_22 + P_7_23 + P_8_15 + P_8_16 + 2'P_8_17 + 2'P_8_18 + 3'P_8_19 + 3'P_8_20 + 3'P_8_21 + 2'P_8_22 + P_8_23 + P_9_14 + P_9_15 + 2'P_9_16 + 2'P_9_17 + 3'P_9_18 + 3'P_9_19 + 4'P_9_20 + 3'P_9_21 + 2'P_9_22 + P_9_23 + P_10_13 + P_10_14 + 2'P_10_15 + 2'P_10_16 + 3'P_10_17 + 3'P_10_18 + 4'P_10_19 + 4'P_10_20 + 3'P_10_21 + 2'P_10_22 + P_10_23 + P_11_12 + P_11_13 + 2'P_11_14 + 2'P_11_15 + 3'P_11_16 + 3'P_11_17 + 4'P_11_18 + 4'P_11_19 + 4'P_11_20 + 3'P_11_21 + 2'P_11_22 + P_11_23 + P_12_11 + P_12_12 + 2'P_12_13 + 2'P_12_14 + 3'P_12_15 + 3'P_12_16 + 4'P_12_17 + 4'P_12_18 + 4'P_12_19 + 4'P_12_20 + 3'P_12_21 + 2'P_12_22 + P_12_23 + P_13_10 + P_13_11 + 2'P_13_12 + 2'P_13_13 + 3'P_13_14 + 3'P_13_15 + 4'P_13_16 + 4'P_13_17 + 4'P_13_18 + 4'P_13_19 + 4'P_13_20 + 3'P_13_21 + 2'P_13_22 + P_13_23 + P_14_9 + P_14_10 + 2'P_14_11 + 2'P_14_12 + 3'P_14_13 + 3'P_14_14 + 4'P_14_15 + 4'P_14_16 + 4'P_14_17 + 4'P_14_18 + 4'P_14_19 + 4'P_14_20 + 3'P_14_21 + 2'P_14_22 + P_14_23 + P_15_8 + P_15_9 + 2'P_15_10 + 2'P_15_11 + 3'P_15_12 + 3'P_15_13 + 4'P_15_14 + 4'P_15_15 + 4'P_15_16 + 4'P_15_17 + 4'P_15_18 + 4'P_15_19 + 4'P_15_20 + 3'P_15_21 + 2'P_15_22 + P_15_23 + P_16_7 + P_16_8 + 2'P_16_9 + 2'P_16_10 + 3'P_16_11 + 3'P_16_12 + 4'P_16_13 + 4'P_16_14 + 4'P_16_15 + 4'P_16_16 + 4'P_16_17 + 4'P_16_18 + 4'P_16_19 + 4'P_16_20 + 3'P_16_21 + 2'P_16_22 + P_16_23 + P_17_6 + P_17_7 + 2'P_17_8 + 2'P_17_9 + 3'P_17_10 + 3'P_17_11 + 4'P_17_12 + 4'P_17_13 + 4'P_17_14 + 4'P_17_15 + 4'P_17_16 + 4'P_17_17 + 4'P_17_18 + 4'P_17_19 + 4'P_17_20 + 3'P_17_21 + 2'P_17_22 + P_17_23 + P_18_5 + P_18_6 + 2'P_18_7 + 2'P_18_8 + 3'P_18_9 + 3'P_18_10 + 4'P_18_11 + 4'P_18_12 + 4'P_18_13 + 4'P_18_14 + 4'P_18_15 + 4'P_18_16 + 4'P_18_17 + 4'P_18_18 + 4'P_18_19 + 4'P_18_20 + 3'P_18_21 + 2'P_18_22 + P_18_23 + P_19_4 + P_19_5 + 2'P_19_6 + 2'P_19_7 + 3'P_19_8 + 3'P_19_9 + 4'P_19_10 + 4'P_19_11 + 4'P_19_12 + 4'P_19_13 + 4'P_19_14 + 4'P_19_15 + 4'P_19_16 + 4'P_19_17 + 4'P_19_18 + 4'P_19_19 + 4'P_19_20 + 3'P_19_21 + 2'P_19_22 + P_19_23 + P_20_3 + P_20_4 + 2'P_20_5 + 2'P_20_6 + 3'P_20_7 + 3'P_20_8 + 4'P_20_9 + 4'P_20_10 + 4'P_20_11 + 4'P_20_12 + 4'P_20_13 + 4'P_20_14 + 4'P_20_15 + 4'P_20_16 + 4'P_20_17 + 4'P_20_18 + 4'P_20_19 + 4'P_20_20 + 3'P_20_21 + 2'P_20_22 + P_20_23 + P_21_2 + P_21_3 + 2'P_21_4 + 2'P_21_5 + 3'P_21_6 + 3'P_21_7 + 4'P_21_8 + 4'P_21_9 + 4'P_21_10 + 4'P_21_11 + 4'P_21_12 + 4'P_21_13 + 4'P_21_14 + 4'P_21_15 + 4'P_21_16 + 4'P_21_17 + 4'P_21_18 + 4'P_21_19 + 4'P_21_20 + 3'P_21_21 + 2'P_21_22 + P_21_23 + P_22_3 + P_22_4 + 2'P_22_5 + 2'P_22_6 + 3'P_22_7 + 3'P_22_8 + 3'P_22_9 + 3'P_22_10 + 3'P_22_11 + 3'P_22_12 + 3'P_22_13 + 3'P_22_14 + 3'P_22_15 + 3'P_22_16 + 3'P_22_17 + 3'P_22_18 + 3'P_22_19 + 3'P_22_20 + 2'P_22_21 + P_22_22 + P_23_4 + P_23_5 + 2'P_23_6 + 2'P_23_7 + 2'P_23_8 + 2'P_23_9 + 2'P_23_10 + 2'P_23_11 + 2'P_23_12 + 2'P_23_13 + 2'P_23_14 + 2'P_23_15 + 2'P_23_16 + 2'P_23_17 + 2'P_23_18 + 2'P_23_19 + 2'P_23_20 + P_23_21 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + P_24_20 + -1'cX_22 + -2'cX_23 + -3'cX_24 + -1'cY_21 + -2'cY_22 + -3'cY_23 + -4'cY_24 + 3'L_0 + 2'L_1 + 2'L_2 + L_3 + L_4 + L_46 + L_47 + 2'L_48 + R_24 + R_25 + 2'R_26 + 2'R_27 + 3'R_28 + 3'R_29 + 4'R_30 + 4'R_31 + 4'R_32 + 4'R_33 + 4'R_34 + 4'R_35 + 4'R_36 + 4'R_37 + 4'R_38 + 4'R_39 + 4'R_40 + 4'R_41 + 4'R_42 + 4'R_43 + 4'R_44 + 4'R_45 + 4'R_46 + 5'R_47 + 6'R_48 + 7'R_49 = 95
invariant :P_1_5 + -1'P_3_4 + -1'P_3_5 + -1'P_3_6 + -1'P_4_3 + -2'P_4_4 + -2'P_4_5 + -2'P_4_6 + -1'P_4_7 + -1'P_5_2 + -2'P_5_3 + -3'P_5_4 + -3'P_5_5 + -3'P_5_6 + -2'P_5_7 + -1'P_5_8 + -1'P_6_2 + -2'P_6_3 + -3'P_6_4 + -3'P_6_5 + -3'P_6_6 + -2'P_6_7 + -1'P_6_8 + P_6_10 + P_6_11 + P_6_12 + P_6_13 + P_6_14 + P_6_15 + P_6_16 + P_6_17 + P_6_18 + P_6_19 + P_6_20 + P_6_21 + P_6_22 + P_6_23 + -1'P_7_3 + -2'P_7_4 + -2'P_7_5 + -2'P_7_6 + -1'P_7_7 + P_7_9 + 2'P_7_10 + 3'P_7_11 + 3'P_7_12 + 3'P_7_13 + 3'P_7_14 + 3'P_7_15 + 3'P_7_16 + 3'P_7_17 + 3'P_7_18 + 3'P_7_19 + 3'P_7_20 + 3'P_7_21 + 3'P_7_22 + 2'P_7_23 + -1'P_8_4 + -1'P_8_5 + -1'P_8_6 + P_8_8 + 2'P_8_9 + 3'P_8_10 + 4'P_8_11 + 5'P_8_12 + 5'P_8_13 + 5'P_8_14 + 5'P_8_15 + 5'P_8_16 + 5'P_8_17 + 5'P_8_18 + 5'P_8_19 + 5'P_8_20 + 5'P_8_21 + 4'P_8_22 + 2'P_8_23 + P_9_7 + 2'P_9_8 + 3'P_9_9 + 4'P_9_10 + 5'P_9_11 + 6'P_9_12 + 7'P_9_13 + 7'P_9_14 + 7'P_9_15 + 7'P_9_16 + 7'P_9_17 + 7'P_9_18 + 7'P_9_19 + 7'P_9_20 + 6'P_9_21 + 4'P_9_22 + 2'P_9_23 + P_10_5 + P_10_6 + 2'P_10_7 + 3'P_10_8 + 4'P_10_9 + 5'P_10_10 + 6'P_10_11 + 7'P_10_12 + 8'P_10_13 + 9'P_10_14 + 9'P_10_15 + 9'P_10_16 + 9'P_10_17 + 9'P_10_18 + 9'P_10_19 + 8'P_10_20 + 6'P_10_21 + 4'P_10_22 + 2'P_10_23 + P_11_5 + 2'P_11_6 + 3'P_11_7 + 4'P_11_8 + 5'P_11_9 + 6'P_11_10 + 7'P_11_11 + 8'P_11_12 + 9'P_11_13 + 10'P_11_14 + 11'P_11_15 + 11'P_11_16 + 11'P_11_17 + 11'P_11_18 + 10'P_11_19 + 8'P_11_20 + 6'P_11_21 + 4'P_11_22 + 2'P_11_23 + P_12_5 + 2'P_12_6 + 4'P_12_7 + 5'P_12_8 + 6'P_12_9 + 7'P_12_10 + 8'P_12_11 + 9'P_12_12 + 10'P_12_13 + 11'P_12_14 + 12'P_12_15 + 13'P_12_16 + 13'P_12_17 + 12'P_12_18 + 10'P_12_19 + 8'P_12_20 + 6'P_12_21 + 4'P_12_22 + 2'P_12_23 + P_13_5 + 2'P_13_6 + 4'P_13_7 + 6'P_13_8 + 7'P_13_9 + 8'P_13_10 + 9'P_13_11 + 10'P_13_12 + 11'P_13_13 + 12'P_13_14 + 13'P_13_15 + 14'P_13_16 + 14'P_13_17 + 12'P_13_18 + 10'P_13_19 + 8'P_13_20 + 6'P_13_21 + 4'P_13_22 + 2'P_13_23 + P_14_5 + 2'P_14_6 + 4'P_14_7 + 6'P_14_8 + 8'P_14_9 + 9'P_14_10 + 10'P_14_11 + 11'P_14_12 + 12'P_14_13 + 13'P_14_14 + 14'P_14_15 + 14'P_14_16 + 13'P_14_17 + 12'P_14_18 + 10'P_14_19 + 8'P_14_20 + 6'P_14_21 + 4'P_14_22 + 2'P_14_23 + P_15_5 + 2'P_15_6 + 4'P_15_7 + 6'P_15_8 + 8'P_15_9 + 10'P_15_10 + 11'P_15_11 + 12'P_15_12 + 13'P_15_13 + 14'P_15_14 + 14'P_15_15 + 13'P_15_16 + 12'P_15_17 + 11'P_15_18 + 10'P_15_19 + 8'P_15_20 + 6'P_15_21 + 4'P_15_22 + 2'P_15_23 + P_16_5 + 2'P_16_6 + 4'P_16_7 + 6'P_16_8 + 8'P_16_9 + 10'P_16_10 + 12'P_16_11 + 13'P_16_12 + 14'P_16_13 + 14'P_16_14 + 13'P_16_15 + 12'P_16_16 + 11'P_16_17 + 10'P_16_18 + 9'P_16_19 + 8'P_16_20 + 6'P_16_21 + 4'P_16_22 + 2'P_16_23 + P_17_5 + 2'P_17_6 + 4'P_17_7 + 6'P_17_8 + 8'P_17_9 + 10'P_17_10 + 12'P_17_11 + 14'P_17_12 + 14'P_17_13 + 13'P_17_14 + 12'P_17_15 + 11'P_17_16 + 10'P_17_17 + 9'P_17_18 + 8'P_17_19 + 7'P_17_20 + 6'P_17_21 + 4'P_17_22 + 2'P_17_23 + P_18_5 + 2'P_18_6 + 4'P_18_7 + 6'P_18_8 + 8'P_18_9 + 10'P_18_10 + 12'P_18_11 + 13'P_18_12 + 13'P_18_13 + 12'P_18_14 + 11'P_18_15 + 10'P_18_16 + 9'P_18_17 + 8'P_18_18 + 7'P_18_19 + 6'P_18_20 + 5'P_18_21 + 4'P_18_22 + 2'P_18_23 + P_19_5 + 2'P_19_6 + 4'P_19_7 + 6'P_19_8 + 8'P_19_9 + 10'P_19_10 + 11'P_19_11 + 11'P_19_12 + 11'P_19_13 + 11'P_19_14 + 10'P_19_15 + 9'P_19_16 + 8'P_19_17 + 7'P_19_18 + 6'P_19_19 + 5'P_19_20 + 4'P_19_21 + 3'P_19_22 + 2'P_19_23 + P_20_5 + 2'P_20_6 + 4'P_20_7 + 6'P_20_8 + 8'P_20_9 + 9'P_20_10 + 9'P_20_11 + 9'P_20_12 + 9'P_20_13 + 9'P_20_14 + 9'P_20_15 + 8'P_20_16 + 7'P_20_17 + 6'P_20_18 + 5'P_20_19 + 4'P_20_20 + 3'P_20_21 + 2'P_20_22 + P_20_23 + P_21_5 + 2'P_21_6 + 4'P_21_7 + 6'P_21_8 + 7'P_21_9 + 7'P_21_10 + 7'P_21_11 + 7'P_21_12 + 7'P_21_13 + 7'P_21_14 + 7'P_21_15 + 7'P_21_16 + 6'P_21_17 + 5'P_21_18 + 4'P_21_19 + 3'P_21_20 + 2'P_21_21 + P_21_22 + P_22_5 + 2'P_22_6 + 4'P_22_7 + 5'P_22_8 + 5'P_22_9 + 5'P_22_10 + 5'P_22_11 + 5'P_22_12 + 5'P_22_13 + 5'P_22_14 + 5'P_22_15 + 5'P_22_16 + 5'P_22_17 + 4'P_22_18 + 3'P_22_19 + 2'P_22_20 + P_22_21 + P_23_5 + 2'P_23_6 + 3'P_23_7 + 3'P_23_8 + 3'P_23_9 + 3'P_23_10 + 3'P_23_11 + 3'P_23_12 + 3'P_23_13 + 3'P_23_14 + 3'P_23_15 + 3'P_23_16 + 3'P_23_17 + 3'P_23_18 + 2'P_23_19 + P_23_20 + P_24_5 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + P_24_19 + cX_6 + 3'cX_7 + 5'cX_8 + 7'cX_9 + 9'cX_10 + 11'cX_11 + 13'cX_12 + 15'cX_13 + 17'cX_14 + 19'cX_15 + 21'cX_16 + 23'cX_17 + 25'cX_18 + 27'cX_19 + 29'cX_20 + 31'cX_21 + 33'cX_22 + 35'cX_23 + 37'cX_24 + cY_5 + 2'cY_6 + 4'cY_7 + 6'cY_8 + 8'cY_9 + 10'cY_10 + 12'cY_11 + 14'cY_12 + 16'cY_13 + 18'cY_14 + 20'cY_15 + 22'cY_16 + 24'cY_17 + 26'cY_18 + 28'cY_19 + 30'cY_20 + 32'cY_21 + 34'cY_22 + 36'cY_23 + 38'cY_24 + -20'L_0 + -19'L_1 + -18'L_2 + -17'L_3 + -16'L_4 + -15'L_5 + -14'L_6 + -13'L_7 + -12'L_8 + -11'L_9 + -10'L_10 + -9'L_11 + -8'L_12 + -7'L_13 + -6'L_14 + -5'L_15 + -4'L_16 + -3'L_17 + -2'L_18 + -1'L_19 + -1'L_30 + -2'L_31 + -3'L_32 + -4'L_33 + -5'L_34 + -6'L_35 + -7'L_36 + -8'L_37 + -9'L_38 + -10'L_39 + -11'L_40 + -12'L_41 + -13'L_42 + -14'L_43 + -15'L_44 + -16'L_45 + -17'L_46 + -18'L_47 + -19'L_48 + -1'R_8 + -2'R_9 + -3'R_10 + -4'R_11 + -5'R_12 + -6'R_13 + -7'R_14 + -8'R_15 + -9'R_16 + -10'R_17 + -11'R_18 + -12'R_19 + -13'R_20 + -14'R_21 + -15'R_22 + -16'R_23 + -17'R_24 + -18'R_25 + -19'R_26 + -20'R_27 + -21'R_28 + -22'R_29 + -23'R_30 + -25'R_31 + -28'R_32 + -31'R_33 + -34'R_34 + -37'R_35 + -40'R_36 + -43'R_37 + -46'R_38 + -49'R_39 + -52'R_40 + -55'R_41 + -58'R_42 + -61'R_43 + -64'R_44 + -67'R_45 + -69'R_46 + -71'R_47 + -73'R_48 + -75'R_49 = -912
invariant :P_2_7 + P_3_6 + P_3_7 + P_3_8 + P_4_5 + P_4_6 + 2'P_4_7 + P_4_8 + P_4_9 + P_5_4 + P_5_5 + 2'P_5_6 + 2'P_5_7 + 2'P_5_8 + P_5_9 + P_5_10 + P_6_3 + P_6_4 + 2'P_6_5 + 2'P_6_6 + 3'P_6_7 + 2'P_6_8 + 2'P_6_9 + P_6_10 + P_6_11 + P_7_2 + P_7_3 + 2'P_7_4 + 2'P_7_5 + 3'P_7_6 + 3'P_7_7 + 3'P_7_8 + 2'P_7_9 + 2'P_7_10 + P_7_11 + P_7_12 + P_8_3 + P_8_4 + 2'P_8_5 + 2'P_8_6 + 3'P_8_7 + 2'P_8_8 + 2'P_8_9 + P_8_10 + P_8_11 + -1'P_8_14 + -1'P_8_15 + -1'P_8_16 + -1'P_8_17 + -1'P_8_18 + -1'P_8_19 + -1'P_8_20 + -1'P_8_21 + -1'P_8_22 + -1'P_8_23 + P_9_4 + P_9_5 + 2'P_9_6 + 2'P_9_7 + 2'P_9_8 + P_9_9 + P_9_10 + -1'P_9_13 + -1'P_9_14 + -2'P_9_15 + -2'P_9_16 + -2'P_9_17 + -2'P_9_18 + -2'P_9_19 + -2'P_9_20 + -2'P_9_21 + -2'P_9_22 + -1'P_9_23 + P_10_5 + P_10_6 + 2'P_10_7 + P_10_8 + P_10_9 + -1'P_10_12 + -1'P_10_13 + -2'P_10_14 + -2'P_10_15 + -3'P_10_16 + -3'P_10_17 + -3'P_10_18 + -3'P_10_19 + -3'P_10_20 + -3'P_10_21 + -2'P_10_22 + -1'P_10_23 + P_11_6 + P_11_7 + P_11_8 + -1'P_11_11 + -1'P_11_12 + -2'P_11_13 + -2'P_11_14 + -3'P_11_15 + -3'P_11_16 + -4'P_11_17 + -4'P_11_18 + -4'P_11_19 + -4'P_11_20 + -3'P_11_21 + -2'P_11_22 + -1'P_11_23 + P_12_7 + -1'P_12_10 + -1'P_12_11 + -2'P_12_12 + -2'P_12_13 + -3'P_12_14 + -3'P_12_15 + -4'P_12_16 + -4'P_12_17 + -5'P_12_18 + -5'P_12_19 + -4'P_12_20 + -3'P_12_21 + -2'P_12_22 + -1'P_12_23 + -1'P_13_9 + -1'P_13_10 + -2'P_13_11 + -2'P_13_12 + -3'P_13_13 + -3'P_13_14 + -4'P_13_15 + -4'P_13_16 + -5'P_13_17 + -5'P_13_18 + -5'P_13_19 + -4'P_13_20 + -3'P_13_21 + -2'P_13_22 + -1'P_13_23 + -1'P_14_8 + -1'P_14_9 + -2'P_14_10 + -2'P_14_11 + -3'P_14_12 + -3'P_14_13 + -4'P_14_14 + -4'P_14_15 + -5'P_14_16 + -5'P_14_17 + -5'P_14_18 + -4'P_14_19 + -4'P_14_20 + -3'P_14_21 + -2'P_14_22 + -1'P_14_23 + -1'P_15_8 + -2'P_15_9 + -2'P_15_10 + -3'P_15_11 + -3'P_15_12 + -4'P_15_13 + -4'P_15_14 + -5'P_15_15 + -5'P_15_16 + -5'P_15_17 + -4'P_15_18 + -4'P_15_19 + -3'P_15_20 + -3'P_15_21 + -2'P_15_22 + -1'P_15_23 + -1'P_16_8 + -2'P_16_9 + -3'P_16_10 + -3'P_16_11 + -4'P_16_12 + -4'P_16_13 + -5'P_16_14 + -5'P_16_15 + -5'P_16_16 + -4'P_16_17 + -4'P_16_18 + -3'P_16_19 + -3'P_16_20 + -2'P_16_21 + -2'P_16_22 + -1'P_16_23 + -1'P_17_8 + -2'P_17_9 + -3'P_17_10 + -4'P_17_11 + -4'P_17_12 + -5'P_17_13 + -5'P_17_14 + -5'P_17_15 + -4'P_17_16 + -4'P_17_17 + -3'P_17_18 + -3'P_17_19 + -2'P_17_20 + -2'P_17_21 + -1'P_17_22 + -1'P_17_23 + -1'P_18_8 + -2'P_18_9 + -3'P_18_10 + -4'P_18_11 + -5'P_18_12 + -5'P_18_13 + -5'P_18_14 + -4'P_18_15 + -4'P_18_16 + -3'P_18_17 + -3'P_18_18 + -2'P_18_19 + -2'P_18_20 + -1'P_18_21 + -1'P_18_22 + -1'P_19_8 + -2'P_19_9 + -3'P_19_10 + -4'P_19_11 + -5'P_19_12 + -5'P_19_13 + -4'P_19_14 + -4'P_19_15 + -3'P_19_16 + -3'P_19_17 + -2'P_19_18 + -2'P_19_19 + -1'P_19_20 + -1'P_19_21 + -1'P_20_8 + -2'P_20_9 + -3'P_20_10 + -4'P_20_11 + -4'P_20_12 + -4'P_20_13 + -4'P_20_14 + -3'P_20_15 + -3'P_20_16 + -2'P_20_17 + -2'P_20_18 + -1'P_20_19 + -1'P_20_20 + -1'P_21_8 + -2'P_21_9 + -3'P_21_10 + -3'P_21_11 + -3'P_21_12 + -3'P_21_13 + -3'P_21_14 + -3'P_21_15 + -2'P_21_16 + -2'P_21_17 + -1'P_21_18 + -1'P_21_19 + -1'P_22_8 + -2'P_22_9 + -2'P_22_10 + -2'P_22_11 + -2'P_22_12 + -2'P_22_13 + -2'P_22_14 + -2'P_22_15 + -2'P_22_16 + -1'P_22_17 + -1'P_22_18 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_23_17 + -1'cX_8 + -2'cX_9 + -3'cX_10 + -4'cX_11 + -5'cX_12 + -6'cX_13 + -7'cX_14 + -8'cX_15 + -9'cX_16 + -10'cX_17 + -11'cX_18 + -12'cX_19 + -13'cX_20 + -14'cX_21 + -15'cX_22 + -16'cX_23 + -17'cX_24 + -1'cY_8 + -2'cY_9 + -3'cY_10 + -4'cY_11 + -5'cY_12 + -6'cY_13 + -7'cY_14 + -8'cY_15 + -9'cY_16 + -10'cY_17 + -11'cY_18 + -12'cY_19 + -13'cY_20 + -14'cY_21 + -15'cY_22 + -16'cY_23 + -17'cY_24 + 9'L_0 + 8'L_1 + 8'L_2 + 7'L_3 + 7'L_4 + 6'L_5 + 6'L_6 + 5'L_7 + 5'L_8 + 4'L_9 + 4'L_10 + 3'L_11 + 3'L_12 + 2'L_13 + 2'L_14 + L_15 + L_16 + L_32 + L_33 + 2'L_34 + 2'L_35 + 3'L_36 + 3'L_37 + 4'L_38 + 4'L_39 + 5'L_40 + 5'L_41 + 6'L_42 + 6'L_43 + 7'L_44 + 7'L_45 + 8'L_46 + 8'L_47 + 9'L_48 + R_10 + R_11 + 2'R_12 + 2'R_13 + 3'R_14 + 3'R_15 + 4'R_16 + 4'R_17 + 5'R_18 + 5'R_19 + 6'R_20 + 6'R_21 + 7'R_22 + 7'R_23 + 8'R_24 + 8'R_25 + 9'R_26 + 9'R_27 + 10'R_28 + 10'R_29 + 11'R_30 + 11'R_31 + 12'R_32 + 13'R_33 + 15'R_34 + 16'R_35 + 18'R_36 + 19'R_37 + 21'R_38 + 22'R_39 + 24'R_40 + 25'R_41 + 27'R_42 + 28'R_43 + 29'R_44 + 30'R_45 + 31'R_46 + 32'R_47 + 33'R_48 + 34'R_49 = 417
invariant :P_19_1 + P_19_2 + P_19_3 + P_19_4 + P_19_5 + P_19_6 + P_19_7 + P_19_8 + P_19_9 + P_19_10 + P_19_11 + P_19_12 + P_19_13 + P_19_14 + P_19_15 + P_19_16 + P_19_17 + P_19_18 + P_19_19 + P_19_20 + P_19_21 + P_19_22 + P_19_23 + P_20_2 + P_20_3 + P_20_4 + P_20_5 + P_20_6 + P_20_7 + P_20_8 + P_20_9 + P_20_10 + P_20_11 + P_20_12 + P_20_13 + P_20_14 + P_20_15 + P_20_16 + P_20_17 + P_20_18 + P_20_19 + P_20_20 + P_20_21 + P_20_22 + P_21_3 + P_21_4 + P_21_5 + P_21_6 + P_21_7 + P_21_8 + P_21_9 + P_21_10 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_21_15 + P_21_16 + P_21_17 + P_21_18 + P_21_19 + P_21_20 + P_21_21 + P_22_4 + P_22_5 + P_22_6 + P_22_7 + P_22_8 + P_22_9 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_22_16 + P_22_17 + P_22_18 + P_22_19 + P_22_20 + P_23_5 + P_23_6 + P_23_7 + P_23_8 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_23_17 + P_23_18 + P_23_19 + P_24_6 + P_24_7 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + P_24_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -6
invariant :P_7_1 + P_7_2 + P_7_3 + P_7_4 + P_7_5 + P_7_6 + P_7_7 + P_7_8 + P_7_9 + P_7_10 + P_7_11 + P_7_12 + P_7_13 + P_7_14 + P_7_15 + P_7_16 + P_7_17 + P_7_18 + P_7_19 + P_7_20 + P_7_21 + P_7_22 + P_7_23 + P_8_2 + P_8_3 + P_8_4 + P_8_5 + P_8_6 + P_8_7 + P_8_8 + P_8_9 + P_8_10 + P_8_11 + P_8_12 + P_8_13 + P_8_14 + P_8_15 + P_8_16 + P_8_17 + P_8_18 + P_8_19 + P_8_20 + P_8_21 + P_8_22 + P_9_3 + P_9_4 + P_9_5 + P_9_6 + P_9_7 + P_9_8 + P_9_9 + P_9_10 + P_9_11 + P_9_12 + P_9_13 + P_9_14 + P_9_15 + P_9_16 + P_9_17 + P_9_18 + P_9_19 + P_9_20 + P_9_21 + P_10_4 + P_10_5 + P_10_6 + P_10_7 + P_10_8 + P_10_9 + P_10_10 + P_10_11 + P_10_12 + P_10_13 + P_10_14 + P_10_15 + P_10_16 + P_10_17 + P_10_18 + P_10_19 + P_10_20 + P_11_5 + P_11_6 + P_11_7 + P_11_8 + P_11_9 + P_11_10 + P_11_11 + P_11_12 + P_11_13 + P_11_14 + P_11_15 + P_11_16 + P_11_17 + P_11_18 + P_11_19 + P_12_6 + P_12_7 + P_12_8 + P_12_9 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_12_15 + P_12_16 + P_12_17 + P_12_18 + P_13_7 + P_13_8 + P_13_9 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_13_17 + P_14_8 + P_14_9 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_15_9 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_17_11 + P_17_12 + P_17_13 + P_18_12 + -1'P_19_12 + -1'P_20_11 + -1'P_20_12 + -1'P_20_13 + -1'P_21_10 + -1'P_21_11 + -1'P_21_12 + -1'P_21_13 + -1'P_21_14 + -1'P_22_9 + -1'P_22_10 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_22_14 + -1'P_22_15 + -1'P_23_8 + -1'P_23_9 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_23_15 + -1'P_23_16 + -1'P_24_7 + -1'P_24_8 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + -1'P_24_16 + -1'P_24_17 + cX_7 + cX_8 + cX_9 + cX_10 + cX_11 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_31 + -1'L_32 + -1'L_33 + -1'L_34 + -1'L_35 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_32 + -1'R_33 + -1'R_34 + -1'R_35 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -18
invariant :P_9_1 + P_9_2 + P_9_3 + P_9_4 + P_9_5 + P_9_6 + P_9_7 + P_9_8 + P_9_9 + P_9_10 + P_9_11 + P_9_12 + P_9_13 + P_9_14 + P_9_15 + P_9_16 + P_9_17 + P_9_18 + P_9_19 + P_9_20 + P_9_21 + P_9_22 + P_9_23 + P_10_2 + P_10_3 + P_10_4 + P_10_5 + P_10_6 + P_10_7 + P_10_8 + P_10_9 + P_10_10 + P_10_11 + P_10_12 + P_10_13 + P_10_14 + P_10_15 + P_10_16 + P_10_17 + P_10_18 + P_10_19 + P_10_20 + P_10_21 + P_10_22 + P_11_3 + P_11_4 + P_11_5 + P_11_6 + P_11_7 + P_11_8 + P_11_9 + P_11_10 + P_11_11 + P_11_12 + P_11_13 + P_11_14 + P_11_15 + P_11_16 + P_11_17 + P_11_18 + P_11_19 + P_11_20 + P_11_21 + P_12_4 + P_12_5 + P_12_6 + P_12_7 + P_12_8 + P_12_9 + P_12_10 + P_12_11 + P_12_12 + P_12_13 + P_12_14 + P_12_15 + P_12_16 + P_12_17 + P_12_18 + P_12_19 + P_12_20 + P_13_5 + P_13_6 + P_13_7 + P_13_8 + P_13_9 + P_13_10 + P_13_11 + P_13_12 + P_13_13 + P_13_14 + P_13_15 + P_13_16 + P_13_17 + P_13_18 + P_13_19 + P_14_6 + P_14_7 + P_14_8 + P_14_9 + P_14_10 + P_14_11 + P_14_12 + P_14_13 + P_14_14 + P_14_15 + P_14_16 + P_14_17 + P_14_18 + P_15_7 + P_15_8 + P_15_9 + P_15_10 + P_15_11 + P_15_12 + P_15_13 + P_15_14 + P_15_15 + P_15_16 + P_15_17 + P_16_8 + P_16_9 + P_16_10 + P_16_11 + P_16_12 + P_16_13 + P_16_14 + P_16_15 + P_16_16 + P_17_9 + P_17_10 + P_17_11 + P_17_12 + P_17_13 + P_17_14 + P_17_15 + P_18_10 + P_18_11 + P_18_12 + P_18_13 + P_18_14 + P_19_11 + P_19_12 + P_19_13 + P_20_12 + -1'P_21_12 + -1'P_22_11 + -1'P_22_12 + -1'P_22_13 + -1'P_23_10 + -1'P_23_11 + -1'P_23_12 + -1'P_23_13 + -1'P_23_14 + -1'P_24_9 + -1'P_24_10 + -1'P_24_11 + -1'P_24_12 + -1'P_24_13 + -1'P_24_14 + -1'P_24_15 + cX_9 + cX_10 + cX_11 + cX_12 + cX_13 + cX_14 + cX_15 + cX_16 + cX_17 + cX_18 + cX_19 + cX_20 + cX_21 + cX_22 + cX_23 + cX_24 + -1'L_33 + -1'L_34 + -1'L_35 + -1'L_36 + -1'L_37 + -1'L_38 + -1'L_39 + -1'L_40 + -1'L_41 + -1'L_42 + -1'L_43 + -1'L_44 + -1'L_45 + -1'L_46 + -1'L_47 + -1'L_48 + -1'R_34 + -1'R_35 + -1'R_36 + -1'R_37 + -1'R_38 + -1'R_39 + -1'R_40 + -1'R_41 + -1'R_42 + -1'R_43 + -1'R_44 + -1'R_45 + -1'R_46 + -1'R_47 + -1'R_48 + -1'R_49 = -16
invariant :P_7_0 + -1'P_8_2 + -1'P_8_3 + -1'P_8_4 + -1'P_8_5 + -1'P_8_6 + -1'P_8_7 + -1'P_8_8 + -1'P_8_9 + -1'P_8_10 + -1'P_8_11 + -1'P_8_12 + -1'P_8_13 + -1'P_8_14 + -1'P_8_15 + -1'P_8_16 + -1'P_8_17 + -1'P_8_18 + -1'P_8_19 + -1'P_8_20 + -1'P_8_21 + -1'P_8_22 + -1'P_8_23 + -1'P_9_3 + -1'P_9_4 + -1'P_9_5 + -1'P_9_6 + -1'P_9_7 + -1'P_9_8 + -1'P_9_9 + -1'P_9_10 + -1'P_9_11 + -1'P_9_12 + -1'P_9_13 + -1'P_9_14 + -1'P_9_15 + -1'P_9_16 + -1'P_9_17 + -1'P_9_18 + -1'P_9_19 + -1'P_9_20 + -1'P_9_21 + -1'P_9_22 + -1'P_10_4 + -1'P_10_5 + -1'P_10_6 + -1'P_10_7 + -1'P_10_8 + -1'P_10_9 + -1'P_10_10 + -1'P_10_11 + -1'P_10_12 + -1'P_10_13 + -1'P_10_14 + -1'P_10_15 + -1'P_10_16 + -1'P_10_17 + -1'P_10_18 + -1'P_10_19 + -1'P_10_20 + -1'P_10_21 + -1'P_11_5 + -1'P_11_6 + -1'P_11_7 + -1'P_11_8 + -1'P_11_9 + -1'P_11_10 + -1'P_11_11 + -1'P_11_12 + -1'P_11_13 + -1'P_11_14 + -1'P_11_15 + -1'P_11_16 + -1'P_11_17 + -1'P_11_18 + -1'P_11_19 + -1'P_11_20 + -1'P_12_6 + -1'P_12_7 + -1'P_12_8 + -1'P_12_9 + -1'P_12_10 + -1'P_12_11 + -1'P_12_12 + -1'P_12_13 + -1'P_12_14 + -1'P_12_15 + -1'P_12_16 + -1'P_12_17 + -1'P_12_18 + -1'P_12_19 + -1'P_13_7 + -1'P_13_8 + -1'P_13_9 + -1'P_13_10 + -1'P_13_11 + -1'P_13_12 + -1'P_13_13 + -1'P_13_14 + -1'P_13_15 + -1'P_13_16 + -1'P_13_17 + -1'P_13_18 + -1'P_14_8 + -1'P_14_9 + -1'P_14_10 + -1'P_14_11 + -1'P_14_12 + -1'P_14_13 + -1'P_14_14 + -1'P_14_15 + -1'P_14_16 + -1'P_14_17 + -1'P_15_9 + -1'P_15_10 + -1'P_15_11 + -1'P_15_12 + -1'P_15_13 + -1'P_15_14 + -1'P_15_15 + -1'P_15_16 + -1'P_16_10 + -1'P_16_11 + -1'P_16_12 + -1'P_16_13 + -1'P_16_14 + -1'P_16_15 + -1'P_17_11 + -1'P_17_12 + -1'P_17_13 + -1'P_17_14 + -1'P_18_12 + -1'P_18_13 + P_20_12 + P_20_13 + P_21_11 + P_21_12 + P_21_13 + P_21_14 + P_22_10 + P_22_11 + P_22_12 + P_22_13 + P_22_14 + P_22_15 + P_23_9 + P_23_10 + P_23_11 + P_23_12 + P_23_13 + P_23_14 + P_23_15 + P_23_16 + P_24_8 + P_24_9 + P_24_10 + P_24_11 + P_24_12 + P_24_13 + P_24_14 + P_24_15 + P_24_16 + P_24_17 + -1'cX_8 + -1'cX_9 + -1'cX_10 + -1'cX_11 + -1'cX_12 + -1'cX_13 + -1'cX_14 + -1'cX_15 + -1'cX_16 + -1'cX_17 + -1'cX_18 + -1'cX_19 + -1'cX_20 + -1'cX_21 + -1'cX_22 + -1'cX_23 + -1'cX_24 + L_31 + L_32 + L_33 + L_34 + L_35 + L_36 + L_37 + L_38 + L_39 + L_40 + L_41 + L_42 + L_43 + L_44 + L_45 + L_46 + L_47 + L_48 + R_33 + R_34 + R_35 + R_36 + R_37 + R_38 + R_39 + R_40 + R_41 + R_42 + R_43 + R_44 + R_45 + R_46 + R_47 + R_48 + R_49 = 18
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O3, model.c], workingDir=/home/mcc/execution]
Compilation finished in 9681 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 85 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP0==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1625 ms.
FORMULA NQueens-PT-25-LTLFireability-00 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP1==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1576 ms.
FORMULA NQueens-PT-25-LTLFireability-01 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP2==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1580 ms.
FORMULA NQueens-PT-25-LTLFireability-02 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, [](<>(<>(<>(<>((LTLAP3==true)))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1973 ms.
FORMULA NQueens-PT-25-LTLFireability-03 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, <>((X((LTLAP4==true)))U(X((LTLAP5==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 219 ms.
FORMULA NQueens-PT-25-LTLFireability-04 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X((LTLAP6==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 188 ms.
FORMULA NQueens-PT-25-LTLFireability-05 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, <>(<>(X(((LTLAP7==true))U((LTLAP8==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 159 ms.
FORMULA NQueens-PT-25-LTLFireability-06 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP9==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1636 ms.
FORMULA NQueens-PT-25-LTLFireability-07 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP10==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1530 ms.
FORMULA NQueens-PT-25-LTLFireability-08 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, [](<>((LTLAP11==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 2026 ms.
FORMULA NQueens-PT-25-LTLFireability-09 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, []([](X(<>(X((LTLAP12==true)))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 233 ms.
FORMULA NQueens-PT-25-LTLFireability-10 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, (X(X([]((LTLAP13==true)))))U((LTLAP14==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 39 ms.
FORMULA NQueens-PT-25-LTLFireability-11 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X(X([](((LTLAP15==true))U((LTLAP16==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 3924 ms.
FORMULA NQueens-PT-25-LTLFireability-12 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP17==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1511 ms.
FORMULA NQueens-PT-25-LTLFireability-13 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, [](X(<>(<>([]((LTLAP18==true)))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 132 ms.
FORMULA NQueens-PT-25-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, <>(<>(<>([]([]((LTLAP19==true)))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1900 ms.
FORMULA NQueens-PT-25-LTLFireability-15 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.

BK_STOP 1527929193028

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -consoleLog -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Jun 02, 2018 8:45:29 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Jun 02, 2018 8:45:29 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 02, 2018 8:45:29 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 135 ms
Jun 02, 2018 8:45:29 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 775 places.
Jun 02, 2018 8:45:29 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 625 transitions.
Jun 02, 2018 8:45:29 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 44 ms
Jun 02, 2018 8:45:29 AM fr.lip6.move.gal.instantiate.DomainAnalyzer computeVariableDomains
INFO: Found a total of 2 fixed domain variables (out of 775 variables) in GAL type NQueens_PT_25
Jun 02, 2018 8:45:29 AM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: Found a total of 2 constant array cells/variables (out of 775 variables) in type NQueens_PT_25
Jun 02, 2018 8:45:29 AM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: R_0,L_49,
Jun 02, 2018 8:45:30 AM fr.lip6.move.gal.instantiate.DomainAnalyzer computeVariableDomains
INFO: Found a total of 2 fixed domain variables (out of 775 variables) in GAL type NQueens_PT_25
Jun 02, 2018 8:45:30 AM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: Found a total of 2 constant array cells/variables (out of 775 variables) in type NQueens_PT_25
Jun 02, 2018 8:45:30 AM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: R_0,L_49,
Jun 02, 2018 8:45:30 AM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Removed 2 constant variables :R_0=1, L_49=1
Jun 02, 2018 8:45:30 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 251 ms
Jun 02, 2018 8:45:30 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 7 ms
Jun 02, 2018 8:45:30 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 1 ms
Jun 02, 2018 8:45:30 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 625 transitions.
Jun 02, 2018 8:45:32 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 148 place invariants in 691 ms
Jun 02, 2018 8:45:34 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 773 variables to be positive in 2499 ms
Jun 02, 2018 8:45:34 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 625 transitions.
Jun 02, 2018 8:45:34 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/625 took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 02, 2018 8:45:34 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 106 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 02, 2018 8:45:34 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 625 transitions.
Jun 02, 2018 8:45:34 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 28 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 02, 2018 8:45:37 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 625 transitions.
SMT solver raised 'unknown', retrying with same input.
SMT solver raised 'unknown' twice, overapproximating result to 1.
Jun 02, 2018 8:46:01 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(0/625) took 24337 ms. Total solver calls (SAT/UNSAT): 1(1/0)
Jun 02, 2018 8:46:01 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 24380 ms. Total solver calls (SAT/UNSAT): 1(1/0)
Jun 02, 2018 8:46:02 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 625 transitions.
Jun 02, 2018 8:46:02 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 106 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 02, 2018 8:46:02 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 32326ms conformant to PINS in folder :/home/mcc/execution

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="NQueens-PT-25"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-25.tgz
mv NQueens-PT-25 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool itstools"
echo " Input is NQueens-PT-25, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r284-csrt-152749175000366"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;