Analysis of xx-ph-00001059-H61-base.sdk
Contents
Original Sudoku
level: deep
position: .......93.....1.85..3.5..6...8.9...6.7...2...1..4.......6.8..3..2.7.....4........ initial
Autosolve
position: .......93.....1.85..3.5..6...8.9...6.7...2...1..4.......6.8..3..2.7.....4........ autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000018
List of important HDP chains detected for B4,C5: 4..:
* PRF # C5: 4 # H4: 1,5 => SOL * STA # C5: 4 + H4: 1,5 * CNT 1 HDP CHAINS / 23 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
| .......93.....1.85..3.5..6...8.9...6.7...2...1..4.......6.8..3..2.7.....4........ | initial |
| .......93.....1.85..3.5..6...8.9...6.7...2...1..4.......6.8..3..2.7.....4........ | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (2) A8: 3,8 B9: 3,8 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A4,C6: 2.. / A4 = 2 => 3 pairs (_) / C6 = 2 => 4 pairs (_) D2,E2: 3.. / D2 = 3 => 3 pairs (_) / E2 = 3 => 4 pairs (_) A8,B9: 3.. / A8 = 3 => 1 pairs (_) / B9 = 3 => 1 pairs (_) B4,C5: 4.. / B4 = 4 => 4 pairs (_) / C5 = 4 => 4 pairs (_) A5,B6: 6.. / A5 = 6 => 3 pairs (_) / B6 = 6 => 4 pairs (_) G8,G9: 6.. / G8 = 6 => 2 pairs (_) / G9 = 6 => 2 pairs (_) A7,C9: 7.. / A7 = 7 => 2 pairs (_) / C9 = 7 => 3 pairs (_) D5,F6: 8.. / D5 = 8 => 4 pairs (_) / F6 = 8 => 2 pairs (_) A8,B9: 8.. / A8 = 8 => 1 pairs (_) / B9 = 8 => 1 pairs (_) * DURATION: 0:00:07.987837 START: 18:09:57.820226 END: 18:10:05.808063 2020-11-24 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B4,C5: 4.. / B4 = 4 ==> 4 pairs (_) / C5 = 4 ==> 0 pairs (*) * DURATION: 0:00:23.994073 START: 18:10:06.742751 END: 18:10:30.736824 2020-11-24 * REASONING B4,C5: 4.. * PRF # C5: 4 # H4: 1,5 => SOL * STA # C5: 4 + H4: 1,5 * CNT 1 HDP CHAINS / 23 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1059;H61;col;21;11.30;11.30;3.40
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B4,C5: 4..:
* INC # B4: 4 # A2: 6,9 => UNS * INC # B4: 4 # A2: 2,7 => UNS * INC # B4: 4 # D2: 6,9 => UNS * INC # B4: 4 # D2: 2,3 => UNS * INC # B4: 4 # B6: 6,9 => UNS * INC # B4: 4 # B6: 3,5 => UNS * INC # B4: 4 # A5: 5,9 => UNS * INC # B4: 4 # B6: 5,9 => UNS * INC # B4: 4 # C6: 5,9 => UNS * INC # B4: 4 # G5: 5,9 => UNS * INC # B4: 4 # G5: 1,3,4,8 => UNS * INC # B4: 4 # C8: 5,9 => UNS * INC # B4: 4 # C9: 5,9 => UNS * INC # B4: 4 => UNS * INC # C5: 4 # A4: 3,5 => UNS * INC # C5: 4 # A5: 3,5 => UNS * INC # C5: 4 # B6: 3,5 => UNS * INC # C5: 4 # D4: 3,5 => UNS * INC # C5: 4 # F4: 3,5 => UNS * INC # C5: 4 # G4: 3,5 => UNS * INC # C5: 4 # G4: 1,5 => UNS * PRF # C5: 4 # H4: 1,5 => SOL * STA # C5: 4 + H4: 1,5 * CNT 22 HDP CHAINS / 23 HYP OPENED