Analysis of xx-ph-02319331-2019_03_16-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7......9...6.5......96...7.....9.4.......35....89..25...75...6.....2...1 initial
Autosolve
position: 98.7..6..7......9...6.59.....96...7.....9.4.6.....35.9..89..25...75...6.....2...1 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000009
List of important HDP chains detected for C1,I1: 5..:
* DIS # C1: 5 # H9: 3,4 => CTR => H9: 8 * DIS # C1: 5 + H9: 8 # H1: 2,3 => CTR => H1: 1,4 * DIS # C1: 5 + H9: 8 + H1: 1,4 # H3: 2,3 => CTR => H3: 1,4 * PRF # C1: 5 + H9: 8 + H1: 1,4 + H3: 1,4 # I3: 2,3 => SOL * STA # C1: 5 + H9: 8 + H1: 1,4 + H3: 1,4 + I3: 2,3 * CNT 4 HDP CHAINS / 22 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......9...6.5......96...7.....9.4.......35....89..25...75...6.....2...1 | initial |
| 98.7..6..7......9...6.59.....96...7.....9.4.6.....35.9..89..25...75...6.....2...1 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A8,B8: 2.. / A8 = 2 => 0 pairs (_) / B8 = 2 => 0 pairs (_) I1,I2: 5.. / I1 = 5 => 0 pairs (_) / I2 = 5 => 4 pairs (_) F4,F5: 5.. / F4 = 5 => 0 pairs (_) / F5 = 5 => 0 pairs (_) C1,I1: 5.. / C1 = 5 => 4 pairs (_) / I1 = 5 => 0 pairs (_) E2,F2: 6.. / E2 = 6 => 0 pairs (_) / F2 = 6 => 0 pairs (_) A6,B6: 6.. / A6 = 6 => 3 pairs (_) / B6 = 6 => 0 pairs (_) E2,E7: 6.. / E2 = 6 => 0 pairs (_) / E7 = 6 => 0 pairs (_) G3,I3: 7.. / G3 = 7 => 0 pairs (_) / I3 = 7 => 1 pairs (_) B5,B6: 7.. / B5 = 7 => 0 pairs (_) / B6 = 7 => 2 pairs (_) F5,E6: 7.. / F5 = 7 => 2 pairs (_) / E6 = 7 => 0 pairs (_) I7,G9: 7.. / I7 = 7 => 0 pairs (_) / G9 = 7 => 1 pairs (_) B5,F5: 7.. / B5 = 7 => 0 pairs (_) / F5 = 7 => 2 pairs (_) B6,E6: 7.. / B6 = 7 => 2 pairs (_) / E6 = 7 => 0 pairs (_) F9,G9: 7.. / F9 = 7 => 0 pairs (_) / G9 = 7 => 1 pairs (_) E6,E7: 7.. / E6 = 7 => 0 pairs (_) / E7 = 7 => 2 pairs (_) G3,G9: 7.. / G3 = 7 => 0 pairs (_) / G9 = 7 => 1 pairs (_) I3,I7: 7.. / I3 = 7 => 1 pairs (_) / I7 = 7 => 0 pairs (_) B8,B9: 9.. / B8 = 9 => 2 pairs (_) / B9 = 9 => 0 pairs (_) G8,G9: 9.. / G8 = 9 => 0 pairs (_) / G9 = 9 => 2 pairs (_) B8,G8: 9.. / B8 = 9 => 2 pairs (_) / G8 = 9 => 0 pairs (_) B9,G9: 9.. / B9 = 9 => 0 pairs (_) / G9 = 9 => 2 pairs (_) * DURATION: 0:00:14.756314 START: 16:35:24.303008 END: 16:35:39.059322 2020-10-12 * CP COUNT: (21) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,I1: 5.. / C1 = 5 ==> 0 pairs (*) / I1 = 5 => 0 pairs (X) * DURATION: 0:00:27.252453 START: 16:35:39.059987 END: 16:36:06.312440 2020-10-12 * REASONING C1,I1: 5.. * DIS # C1: 5 # H9: 3,4 => CTR => H9: 8 * DIS # C1: 5 + H9: 8 # H1: 2,3 => CTR => H1: 1,4 * DIS # C1: 5 + H9: 8 + H1: 1,4 # H3: 2,3 => CTR => H3: 1,4 * PRF # C1: 5 + H9: 8 + H1: 1,4 + H3: 1,4 # I3: 2,3 => SOL * STA # C1: 5 + H9: 8 + H1: 1,4 + H3: 1,4 + I3: 2,3 * CNT 4 HDP CHAINS / 22 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2319331;2019_03_16;PAQ;24;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,I1: 5..:
* INC # C1: 5 # B9: 5,6 => UNS * INC # C1: 5 # B9: 9 => UNS * INC # C1: 5 # A7: 3,4 => UNS * INC # C1: 5 # B7: 3,4 => UNS * INC # C1: 5 # A8: 3,4 => UNS * INC # C1: 5 # B8: 3,4 => UNS * INC # C1: 5 # D9: 3,4 => UNS * DIS # C1: 5 # H9: 3,4 => CTR => H9: 8 * INC # C1: 5 + H9: 8 # C2: 3,4 => UNS * INC # C1: 5 + H9: 8 # C2: 1,2 => UNS * INC # C1: 5 + H9: 8 # A7: 3,4 => UNS * INC # C1: 5 + H9: 8 # B7: 3,4 => UNS * INC # C1: 5 + H9: 8 # A8: 3,4 => UNS * INC # C1: 5 + H9: 8 # B8: 3,4 => UNS * INC # C1: 5 + H9: 8 # C2: 3,4 => UNS * INC # C1: 5 + H9: 8 # C2: 1,2 => UNS * INC # C1: 5 + H9: 8 # E7: 6,7 => UNS * INC # C1: 5 + H9: 8 # F7: 6,7 => UNS * DIS # C1: 5 + H9: 8 # H1: 2,3 => CTR => H1: 1,4 * DIS # C1: 5 + H9: 8 + H1: 1,4 # H3: 2,3 => CTR => H3: 1,4 * PRF # C1: 5 + H9: 8 + H1: 1,4 + H3: 1,4 # I3: 2,3 => SOL * STA # C1: 5 + H9: 8 + H1: 1,4 + H3: 1,4 + I3: 2,3 * CNT 21 HDP CHAINS / 22 HYP OPENED