Analysis of xx-ph-01256043-13_12-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76....7..5..9.......9.8.67...58....4.7...5...3.....46...75......2..1.........4 initial
Autosolve
position: 98.76..5.7..5..9.......9.8.67...58....4.7...5...3.....46...75......2..1.....5...4 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for C2,C3: 6..:
* DIS # C2: 6 # G6: 6,7 => CTR => G6: 1,2,4 * CNT 1 HDP CHAINS / 13 HYP OPENED
List of important HDP chains detected for F1,G1: 4..:
* DIS # F1: 4 # G3: 1,2 => CTR => G3: 3,4,6,7 * PRF # F1: 4 + G3: 3,4,6,7 # I3: 1,2 => SOL * STA # F1: 4 + G3: 3,4,6,7 + I3: 1,2 * CNT 2 HDP CHAINS / 8 HYP OPENED
See Appendix: Full HDP Chains for full list of HDP chains.
Details
This sudoku is deep. Here is some information that may be helpful on how to proceed.
Positions
| 98.76....7..5..9.......9.8.67...58....4.7...5...3.....46...75......2..1.........4 | initial |
| 98.76..5.7..5..9.......9.8.67...58....4.7...5...3.....46...75......2..1.....5...4 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) B2,B3: 4.. / B2 = 4 => 0 pairs (_) / B3 = 4 => 2 pairs (_) D8,F8: 4.. / D8 = 4 => 1 pairs (_) / F8 = 4 => 0 pairs (_) F1,G1: 4.. / F1 = 4 => 2 pairs (_) / G1 = 4 => 0 pairs (_) C2,C3: 6.. / C2 = 6 => 2 pairs (_) / C3 = 6 => 0 pairs (_) G3,I3: 7.. / G3 = 7 => 1 pairs (_) / I3 = 7 => 0 pairs (_) C8,C9: 7.. / C8 = 7 => 1 pairs (_) / C9 = 7 => 0 pairs (_) H6,H9: 7.. / H6 = 7 => 0 pairs (_) / H9 = 7 => 1 pairs (_) E2,F2: 8.. / E2 = 8 => 0 pairs (_) / F2 = 8 => 0 pairs (_) I7,I8: 8.. / I7 = 8 => 1 pairs (_) / I8 = 8 => 1 pairs (_) * DURATION: 0:00:05.757132 START: 19:36:04.089775 END: 19:36:09.846907 2020-10-04 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C2,C3: 6.. / C2 = 6 ==> 2 pairs (_) / C3 = 6 ==> 0 pairs (_) F1,G1: 4.. / F1 = 4 ==> 0 pairs (*) / G1 = 4 => 0 pairs (X) * DURATION: 0:00:17.057397 START: 19:36:09.847618 END: 19:36:26.905015 2020-10-04 * REASONING C2,C3: 6.. * DIS # C2: 6 # G6: 6,7 => CTR => G6: 1,2,4 * CNT 1 HDP CHAINS / 13 HYP OPENED * REASONING F1,G1: 4.. * DIS # F1: 4 # G3: 1,2 => CTR => G3: 3,4,6,7 * PRF # F1: 4 + G3: 3,4,6,7 # I3: 1,2 => SOL * STA # F1: 4 + G3: 3,4,6,7 + I3: 1,2 * CNT 2 HDP CHAINS / 8 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
1256043;13_12;GP;24;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C2,C3: 6..:
* DIS # C2: 6 # G6: 6,7 => CTR => G6: 1,2,4 * INC # C2: 6 + G6: 1,2,4 # G8: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 # G9: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 # G8: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 # G9: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 # I6: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 # I8: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 # G8: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 # G9: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 # I6: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 # I8: 6,7 => UNS * INC # C2: 6 + G6: 1,2,4 => UNS * INC # C3: 6 => UNS * CNT 13 HDP CHAINS / 13 HYP OPENED
Full list of HDP chains traversed for F1,G1: 4..:
* INC # F1: 4 # F2: 1,2 => UNS * INC # F1: 4 # F2: 3,8 => UNS * INC # F1: 4 # A3: 1,2 => UNS * INC # F1: 4 # B3: 1,2 => UNS * INC # F1: 4 # C3: 1,2 => UNS * DIS # F1: 4 # G3: 1,2 => CTR => G3: 3,4,6,7 * PRF # F1: 4 + G3: 3,4,6,7 # I3: 1,2 => SOL * STA # F1: 4 + G3: 3,4,6,7 + I3: 1,2 * CNT 7 HDP CHAINS / 8 HYP OPENED