Analysis of xx-ph-00000090-45-base.sdk
Contents
Original Sudoku
level: deep
position: 1...5..8...7.....6.9.2.........13....7.9..4..8..5......4.6..9.......5.3...2...6.7 initial
Autosolve
position: 1...5..8...7.....6.9.2.........13....7.9..4..8..5......4.6..9.......5.3...2...6.7 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000014
List of important HDP chains detected for A7,A8: 7..:
* PRF # A8: 7 # C7: 3,5 => SOL * STA # A8: 7 + C7: 3,5 * CNT 1 HDP CHAINS / 7 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
| 1...5..8...7.....6.9.2.........13....7.9..4..8..5......4.6..9.......5.3...2...6.7 | initial |
| 1...5..8...7.....6.9.2.........13....7.9..4..8..5......4.6..9.......5.3...2...6.7 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I8,H9: 4.. / I8 = 4 => 1 pairs (_) / H9 = 4 => 1 pairs (_) A7,A8: 7.. / A7 = 7 => 1 pairs (_) / A8 = 7 => 1 pairs (_) B2,C3: 8.. / B2 = 8 => 1 pairs (_) / C3 = 8 => 0 pairs (_) G4,G8: 8.. / G4 = 8 => 2 pairs (_) / G8 = 8 => 1 pairs (_) I1,H2: 9.. / I1 = 9 => 0 pairs (_) / H2 = 9 => 0 pairs (_) F1,I1: 9.. / F1 = 9 => 0 pairs (_) / I1 = 9 => 0 pairs (_) * DURATION: 0:00:03.760329 START: 23:24:33.092427 END: 23:24:36.852756 2020-09-22 * CP COUNT: (6) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G4,G8: 8.. / G4 = 8 ==> 2 pairs (_) / G8 = 8 ==> 1 pairs (_) A7,A8: 7.. / A7 = 7 ==> 1 pairs (_) / A8 = 7 ==> 0 pairs (*) * DURATION: 0:00:13.768254 START: 23:24:36.853672 END: 23:24:50.621926 2020-09-22 * REASONING A7,A8: 7.. * PRF # A8: 7 # C7: 3,5 => SOL * STA # A8: 7 + C7: 3,5 * CNT 1 HDP CHAINS / 7 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
90;45;elev;22;11.60;11.60;9.90
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G4,G8: 8..:
* INC # G4: 8 # E6: 4,7 => UNS * INC # G4: 8 # F6: 4,7 => UNS * INC # G4: 8 # D1: 4,7 => UNS * INC # G4: 8 # D8: 4,7 => UNS * INC # G4: 8 # H7: 1,2 => UNS * INC # G4: 8 # I7: 1,2 => UNS * INC # G4: 8 # I8: 1,2 => UNS * INC # G4: 8 # G2: 1,2 => UNS * INC # G4: 8 # G6: 1,2 => UNS * INC # G4: 8 => UNS * INC # G8: 8 # C8: 1,6 => UNS * INC # G8: 8 # C8: 9 => UNS * INC # G8: 8 # B6: 1,6 => UNS * INC # G8: 8 # B6: 2,3 => UNS * INC # G8: 8 => UNS * CNT 15 HDP CHAINS / 15 HYP OPENED
Full list of HDP chains traversed for A7,A8: 7..:
* INC # A7: 7 # C8: 6,9 => UNS * INC # A7: 7 # C8: 1,8 => UNS * INC # A7: 7 # A4: 6,9 => UNS * INC # A7: 7 # A4: 2,4,5 => UNS * INC # A7: 7 => UNS * PRF # A8: 7 # C7: 3,5 => SOL * STA # A8: 7 + C7: 3,5 * CNT 6 HDP CHAINS / 7 HYP OPENED