Analysis of xx-ph-02236631-2018_12_25-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..75.....8...6......6...4.3....89..57...58......2..8...6..96...5......1... initial
Autosolve
position: 98.7..6..75.....8...6..8...6...4.3.8..89..57...58...6..2..8...6..96...5..6...1... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for D4,F4: 5..:
* PRF # D4: 5 # D2: 3,4 => SOL * STA # D4: 5 + D2: 3,4 * CNT 1 HDP CHAINS / 17 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
| 98.7..6..75.....8...6......6...4.3....89..57...58......2..8...6..96...5......1... | initial |
| 98.7..6..75.....8...6..8...6...4.3.8..89..57...58...6..2..8...6..96...5..6...1... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I1,I3: 5.. / I1 = 5 => 0 pairs (_) / I3 = 5 => 0 pairs (_) D4,F4: 5.. / D4 = 5 => 7 pairs (_) / F4 = 5 => 1 pairs (_) A7,A9: 5.. / A7 = 5 => 1 pairs (_) / A9 = 5 => 0 pairs (_) E2,F2: 6.. / E2 = 6 => 0 pairs (_) / F2 = 6 => 1 pairs (_) E5,F5: 6.. / E5 = 6 => 1 pairs (_) / F5 = 6 => 0 pairs (_) E2,E5: 6.. / E2 = 6 => 0 pairs (_) / E5 = 6 => 1 pairs (_) F2,F5: 6.. / F2 = 6 => 1 pairs (_) / F5 = 6 => 0 pairs (_) G3,I3: 7.. / G3 = 7 => 0 pairs (_) / I3 = 7 => 0 pairs (_) A8,A9: 8.. / A8 = 8 => 0 pairs (_) / A9 = 8 => 1 pairs (_) G8,G9: 8.. / G8 = 8 => 1 pairs (_) / G9 = 8 => 0 pairs (_) A8,G8: 8.. / A8 = 8 => 0 pairs (_) / G8 = 8 => 1 pairs (_) A9,G9: 8.. / A9 = 8 => 1 pairs (_) / G9 = 8 => 0 pairs (_) B4,B6: 9.. / B4 = 9 => 1 pairs (_) / B6 = 9 => 2 pairs (_) F7,E9: 9.. / F7 = 9 => 0 pairs (_) / E9 = 9 => 0 pairs (_) B4,H4: 9.. / B4 = 9 => 1 pairs (_) / H4 = 9 => 2 pairs (_) F2,F7: 9.. / F2 = 9 => 0 pairs (_) / F7 = 9 => 0 pairs (_) * DURATION: 0:00:10.970402 START: 21:07:51.637072 END: 21:08:02.607474 2020-10-09 * CP COUNT: (16) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D4,F4: 5.. / D4 = 5 ==> 0 pairs (*) / F4 = 5 => 0 pairs (X) * DURATION: 0:00:21.466466 START: 21:08:02.608133 END: 21:08:24.074599 2020-10-09 * REASONING D4,F4: 5.. * PRF # D4: 5 # D2: 3,4 => SOL * STA # D4: 5 + D2: 3,4 * CNT 1 HDP CHAINS / 17 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2236631;2018_12_25;PAQ;24;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D4,F4: 5..:
* INC # D4: 5 # A5: 1,2 => UNS * INC # D4: 5 # A6: 1,2 => UNS * INC # D4: 5 # H4: 1,2 => UNS * INC # D4: 5 # H4: 9 => UNS * INC # D4: 5 # C1: 1,2 => UNS * INC # D4: 5 # C2: 1,2 => UNS * INC # D4: 5 # E6: 2,7 => UNS * INC # D4: 5 # F6: 2,7 => UNS * INC # D4: 5 # F8: 2,7 => UNS * INC # D4: 5 # F8: 3,4 => UNS * INC # D4: 5 # F8: 3,4 => UNS * INC # D4: 5 # D9: 3,4 => UNS * INC # D4: 5 # A7: 3,4 => UNS * INC # D4: 5 # C7: 3,4 => UNS * INC # D4: 5 # H7: 3,4 => UNS * PRF # D4: 5 # D2: 3,4 => SOL * STA # D4: 5 + D2: 3,4 * CNT 16 HDP CHAINS / 17 HYP OPENED