Analysis of xx-ph-02317734-2019_03_16-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7.5.4......3.8..5.8.........5...4.7...73....82....85......3..4......78.1 initial
Autosolve
position: 98.7..6..7.5.4..8...3.8..5.8...7...5.5.8.4.7...73....82....85....8.3..4......78.1 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C1,I1: 4..:
* DIS # C1: 4 # A8: 1,6 => CTR => A8: 5 * DIS # C1: 4 + A8: 5 # E9: 6,9 => CTR => E9: 2 * PRF # C1: 4 + A8: 5 + E9: 2 # C5: 6,9 => SOL * STA # C1: 4 + A8: 5 + E9: 2 + C5: 6,9 * CNT 3 HDP CHAINS / 31 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..7.5.4......3.8..5.8.........5...4.7...73....82....85......3..4......78.1 | initial |
| 98.7..6..7.5.4..8...3.8..5.8...7...5.5.8.4.7...73....82....85....8.3..4......78.1 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) F1,F2: 3.. / F1 = 3 => 2 pairs (_) / F2 = 3 => 1 pairs (_) B4,A5: 3.. / B4 = 3 => 1 pairs (_) / A5 = 3 => 0 pairs (_) A5,A9: 3.. / A5 = 3 => 0 pairs (_) / A9 = 3 => 1 pairs (_) I1,I3: 4.. / I1 = 4 => 1 pairs (_) / I3 = 4 => 4 pairs (_) G4,G6: 4.. / G4 = 4 => 0 pairs (_) / G6 = 4 => 1 pairs (_) D7,D9: 4.. / D7 = 4 => 0 pairs (_) / D9 = 4 => 2 pairs (_) C1,I1: 4.. / C1 = 4 => 4 pairs (_) / I1 = 4 => 1 pairs (_) E1,F1: 5.. / E1 = 5 => 0 pairs (_) / F1 = 5 => 2 pairs (_) E6,F6: 5.. / E6 = 5 => 2 pairs (_) / F6 = 5 => 0 pairs (_) A8,A9: 5.. / A8 = 5 => 0 pairs (_) / A9 = 5 => 1 pairs (_) D8,D9: 5.. / D8 = 5 => 1 pairs (_) / D9 = 5 => 0 pairs (_) A8,D8: 5.. / A8 = 5 => 0 pairs (_) / D8 = 5 => 1 pairs (_) A9,D9: 5.. / A9 = 5 => 1 pairs (_) / D9 = 5 => 0 pairs (_) E1,E6: 5.. / E1 = 5 => 0 pairs (_) / E6 = 5 => 2 pairs (_) F1,F6: 5.. / F1 = 5 => 2 pairs (_) / F6 = 5 => 0 pairs (_) G3,I3: 7.. / G3 = 7 => 1 pairs (_) / I3 = 7 => 1 pairs (_) B7,B8: 7.. / B7 = 7 => 0 pairs (_) / B8 = 7 => 2 pairs (_) B7,I7: 7.. / B7 = 7 => 0 pairs (_) / I7 = 7 => 2 pairs (_) G3,G8: 7.. / G3 = 7 => 1 pairs (_) / G8 = 7 => 1 pairs (_) * DURATION: 0:00:16.407728 START: 23:08:23.513851 END: 23:08:39.921579 2020-10-11 * CP COUNT: (19) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,I1: 4.. / C1 = 4 ==> 0 pairs (*) / I1 = 4 => 0 pairs (X) * DURATION: 0:00:36.505995 START: 23:08:39.922288 END: 23:09:16.428283 2020-10-11 * REASONING C1,I1: 4.. * DIS # C1: 4 # A8: 1,6 => CTR => A8: 5 * DIS # C1: 4 + A8: 5 # E9: 6,9 => CTR => E9: 2 * PRF # C1: 4 + A8: 5 + E9: 2 # C5: 6,9 => SOL * STA # C1: 4 + A8: 5 + E9: 2 + C5: 6,9 * CNT 3 HDP CHAINS / 31 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2317734;2019_03_16;PAQ;25;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,I1: 4..:
* INC # C1: 4 # B2: 1,6 => UNS * INC # C1: 4 # B3: 1,6 => UNS * INC # C1: 4 # D3: 1,6 => UNS * INC # C1: 4 # F3: 1,6 => UNS * INC # C1: 4 # A5: 1,6 => UNS * INC # C1: 4 # A6: 1,6 => UNS * DIS # C1: 4 # A8: 1,6 => CTR => A8: 5 * INC # C1: 4 + A8: 5 # B2: 1,6 => UNS * INC # C1: 4 + A8: 5 # B3: 1,6 => UNS * INC # C1: 4 + A8: 5 # D3: 1,6 => UNS * INC # C1: 4 + A8: 5 # F3: 1,6 => UNS * INC # C1: 4 + A8: 5 # A5: 1,6 => UNS * INC # C1: 4 + A8: 5 # A6: 1,6 => UNS * INC # C1: 4 + A8: 5 # H1: 2,3 => UNS * INC # C1: 4 + A8: 5 # G2: 2,3 => UNS * INC # C1: 4 + A8: 5 # I2: 2,3 => UNS * INC # C1: 4 + A8: 5 # F1: 2,3 => UNS * INC # C1: 4 + A8: 5 # F1: 1,5 => UNS * INC # C1: 4 + A8: 5 # I5: 2,3 => UNS * INC # C1: 4 + A8: 5 # I5: 6,9 => UNS * INC # C1: 4 + A8: 5 # B7: 6,9 => UNS * INC # C1: 4 + A8: 5 # C7: 6,9 => UNS * INC # C1: 4 + A8: 5 # B8: 6,9 => UNS * INC # C1: 4 + A8: 5 # B9: 6,9 => UNS * DIS # C1: 4 + A8: 5 # E9: 6,9 => CTR => E9: 2 * INC # C1: 4 + A8: 5 + E9: 2 # H9: 6,9 => UNS * INC # C1: 4 + A8: 5 + E9: 2 # H9: 6,9 => UNS * INC # C1: 4 + A8: 5 + E9: 2 # H9: 3 => UNS * INC # C1: 4 + A8: 5 + E9: 2 # C4: 6,9 => UNS * PRF # C1: 4 + A8: 5 + E9: 2 # C5: 6,9 => SOL * STA # C1: 4 + A8: 5 + E9: 2 + C5: 6,9 * CNT 30 HDP CHAINS / 31 HYP OPENED