Analysis of xx-ph-01116435-13_09-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76....7.....9...5.....8.6...4.3...2......8.....5.1...93..4.....47.........1.2. initial
Autosolve
position: 98.76....7.....9...5.....8.6...4.3...2......8.....5.1...93..4.....47.........1.2. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for B4,B6: 9..:
* DIS # B4: 9 # H7: 6 => CTR => H7: 5,7 * DIS # B4: 9 + H7: 5,7 # I1: 3,4 => CTR => I1: 1,2,5 * PRF # B4: 9 + H7: 5,7 + I1: 1,2,5 # I3: 3,4 => SOL * STA # B4: 9 + H7: 5,7 + I1: 1,2,5 + I3: 3,4 * CNT 3 HDP CHAINS / 15 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.....9...5.....8.6...4.3...2......8.....5.1...93..4.....47.........1.2. | initial |
| 98.76....7.....9...5.....8.6...4.3...2......8.....5.1...93..4.....47.........1.2. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H5,I6: 4.. / H5 = 4 => 2 pairs (_) / I6 = 4 => 1 pairs (_) D2,E2: 5.. / D2 = 5 => 0 pairs (_) / E2 = 5 => 2 pairs (_) D2,D9: 5.. / D2 = 5 => 0 pairs (_) / D9 = 5 => 2 pairs (_) G3,I3: 7.. / G3 = 7 => 2 pairs (_) / I3 = 7 => 0 pairs (_) F4,F5: 7.. / F4 = 7 => 2 pairs (_) / F5 = 7 => 1 pairs (_) G8,G9: 8.. / G8 = 8 => 0 pairs (_) / G9 = 8 => 1 pairs (_) B4,B6: 9.. / B4 = 9 => 3 pairs (_) / B6 = 9 => 1 pairs (_) * DURATION: 0:00:04.398766 START: 17:37:01.283137 END: 17:37:05.681903 2020-10-04 * CP COUNT: (7) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B4,B6: 9.. / B4 = 9 ==> 0 pairs (*) / B6 = 9 => 0 pairs (X) * DURATION: 0:00:13.916427 START: 17:37:05.682511 END: 17:37:19.598938 2020-10-04 * REASONING B4,B6: 9.. * DIS # B4: 9 # H7: 6 => CTR => H7: 5,7 * DIS # B4: 9 + H7: 5,7 # I1: 3,4 => CTR => I1: 1,2,5 * PRF # B4: 9 + H7: 5,7 + I1: 1,2,5 # I3: 3,4 => SOL * STA # B4: 9 + H7: 5,7 + I1: 1,2,5 + I3: 3,4 * CNT 3 HDP CHAINS / 15 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1116435;13_09;GP;22;11.50;11.50;2.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B4,B6: 9..:
* INC # B4: 9 # I4: 5,7 => UNS * INC # B4: 9 # G5: 5,7 => UNS * INC # B4: 9 # C4: 5,7 => UNS * INC # B4: 9 # C4: 1,8 => UNS * INC # B4: 9 # H7: 5,7 => UNS * DIS # B4: 9 # H7: 6 => CTR => H7: 5,7 * INC # B4: 9 + H7: 5,7 # I4: 5,7 => UNS * INC # B4: 9 + H7: 5,7 # G5: 5,7 => UNS * INC # B4: 9 + H7: 5,7 # C4: 5,7 => UNS * INC # B4: 9 + H7: 5,7 # C4: 1,8 => UNS * DIS # B4: 9 + H7: 5,7 # I1: 3,4 => CTR => I1: 1,2,5 * INC # B4: 9 + H7: 5,7 + I1: 1,2,5 # H2: 3,4 => UNS * INC # B4: 9 + H7: 5,7 + I1: 1,2,5 # I2: 3,4 => UNS * PRF # B4: 9 + H7: 5,7 + I1: 1,2,5 # I3: 3,4 => SOL * STA # B4: 9 + H7: 5,7 + I1: 1,2,5 + I3: 3,4 * CNT 14 HDP CHAINS / 15 HYP OPENED