Analysis of xx-ph-02716757-2019_08_1120_160-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..75.....8...6.......4..6......79..56.........3..98...5...56.9.7......21.. initial
Autosolve
position: 98.7..6..75...6.8...6......54..6......79..56.69......3..98...5...56.9.7......21.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000021
List of important HDP chains detected for D9,E9: 5..:
* DIS # E9: 5 # I4: 1,2 => CTR => I4: 7,8,9 * PRF # E9: 5 + I4: 7,8,9 # I1: 2,4 => SOL * STA # E9: 5 + I4: 7,8,9 + I1: 2,4 * CNT 2 HDP CHAINS / 21 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.......4..6......79..56.........3..98...5...56.9.7......21.. | initial |
| 98.7..6..75...6.8...6......54..6......79..56.69......3..98...5...56.9.7......21.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (2) B7: 6,7 B9: 6,7 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I1,I3: 5.. / I1 = 5 => 2 pairs (_) / I3 = 5 => 2 pairs (_) D9,E9: 5.. / D9 = 5 => 2 pairs (_) / E9 = 5 => 3 pairs (_) B7,B9: 6.. / B7 = 6 => 2 pairs (_) / B9 = 6 => 0 pairs (_) I7,I9: 6.. / I7 = 6 => 0 pairs (_) / I9 = 6 => 2 pairs (_) B7,I7: 6.. / B7 = 6 => 2 pairs (_) / I7 = 6 => 0 pairs (_) B9,I9: 6.. / B9 = 6 => 0 pairs (_) / I9 = 6 => 2 pairs (_) G3,I3: 7.. / G3 = 7 => 2 pairs (_) / I3 = 7 => 2 pairs (_) B7,B9: 7.. / B7 = 7 => 0 pairs (_) / B9 = 7 => 2 pairs (_) B9,E9: 7.. / B9 = 7 => 2 pairs (_) / E9 = 7 => 0 pairs (_) I3,I4: 7.. / I3 = 7 => 2 pairs (_) / I4 = 7 => 2 pairs (_) E3,F3: 8.. / E3 = 8 => 2 pairs (_) / F3 = 8 => 2 pairs (_) E2,E3: 9.. / E2 = 9 => 2 pairs (_) / E3 = 9 => 2 pairs (_) H9,I9: 9.. / H9 = 9 => 3 pairs (_) / I9 = 9 => 1 pairs (_) * DURATION: 0:00:14.011039 START: 11:23:21.245249 END: 11:23:35.256288 2020-11-18 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D9,E9: 5.. / D9 = 5 => 0 pairs (X) / E9 = 5 ==> 0 pairs (*) * DURATION: 0:00:33.645391 START: 11:23:36.266576 END: 11:24:09.911967 2020-11-18 * REASONING D9,E9: 5.. * DIS # E9: 5 # I4: 1,2 => CTR => I4: 7,8,9 * PRF # E9: 5 + I4: 7,8,9 # I1: 2,4 => SOL * STA # E9: 5 + I4: 7,8,9 + I1: 2,4 * CNT 2 HDP CHAINS / 21 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2716757;2019_08_1120_160;PAQ;24;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D9,E9: 5..:
* DIS # E9: 5 # I4: 1,2 => CTR => I4: 7,8,9 * INC # E9: 5 + I4: 7,8,9 # I5: 1,2 => UNS * INC # E9: 5 + I4: 7,8,9 # H6: 1,2 => UNS * INC # E9: 5 + I4: 7,8,9 # C4: 1,2 => UNS * INC # E9: 5 + I4: 7,8,9 # D4: 1,2 => UNS * INC # E9: 5 + I4: 7,8,9 # H1: 1,2 => UNS * INC # E9: 5 + I4: 7,8,9 # H3: 1,2 => UNS * INC # E9: 5 + I4: 7,8,9 # E7: 3,4 => UNS * INC # E9: 5 + I4: 7,8,9 # F7: 3,4 => UNS * INC # E9: 5 + I4: 7,8,9 # E8: 3,4 => UNS * INC # E9: 5 + I4: 7,8,9 # A9: 3,4 => UNS * INC # E9: 5 + I4: 7,8,9 # C9: 3,4 => UNS * INC # E9: 5 + I4: 7,8,9 # D2: 3,4 => UNS * INC # E9: 5 + I4: 7,8,9 # D3: 3,4 => UNS * INC # E9: 5 + I4: 7,8,9 # G7: 2,4 => UNS * INC # E9: 5 + I4: 7,8,9 # G8: 2,4 => UNS * INC # E9: 5 + I4: 7,8,9 # I8: 2,4 => UNS * INC # E9: 5 + I4: 7,8,9 # A7: 2,4 => UNS * INC # E9: 5 + I4: 7,8,9 # A7: 1,3 => UNS * PRF # E9: 5 + I4: 7,8,9 # I1: 2,4 => SOL * STA # E9: 5 + I4: 7,8,9 + I1: 2,4 * CNT 20 HDP CHAINS / 21 HYP OPENED