Analysis of xx-ph-00662995-12_12_19-base.sdk
Contents
Original Sudoku
level: deep
position: ........1.....2.3...4.5.6...3.....27.4....8..6...8.9...7...1...4.86.....9..54.... initial
Autosolve
position: ........1.....2.3...4.5.6..83.....27.4....8..6...8.9...7...1...4.86.....9..54.... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C4,C5: 9..:
* DIS # C4: 9 # D6: 1,4 => CTR => D6: 2,3,7 * PRF # C4: 9 + D6: 2,3,7 # G4: 1,4 => SOL * STA # C4: 9 + D6: 2,3,7 + G4: 1,4 * CNT 2 HDP CHAINS / 3 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.....2.3...4.5.6...3.....27.4....8..6...8.9...7...1...4.86.....9..54.... | initial |
| ........1.....2.3...4.5.6..83.....27.4....8..6...8.9...7...1...4.86.....9..54.... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G1,I3: 2.. / G1 = 2 => 1 pairs (_) / I3 = 2 => 2 pairs (_) I5,I6: 3.. / I5 = 3 => 1 pairs (_) / I6 = 3 => 1 pairs (_) E4,F4: 6.. / E4 = 6 => 1 pairs (_) / F4 = 6 => 1 pairs (_) H5,I5: 6.. / H5 = 6 => 1 pairs (_) / I5 = 6 => 2 pairs (_) F1,F4: 6.. / F1 = 6 => 1 pairs (_) / F4 = 6 => 1 pairs (_) D7,F9: 8.. / D7 = 8 => 1 pairs (_) / F9 = 8 => 1 pairs (_) C4,C5: 9.. / C4 = 9 => 2 pairs (_) / C5 = 9 => 1 pairs (_) * DURATION: 0:00:04.961440 START: 01:12:13.384495 END: 01:12:18.345935 2020-10-30 * CP COUNT: (7) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C4,C5: 9.. / C4 = 9 ==> 0 pairs (*) / C5 = 9 => 0 pairs (X) * DURATION: 0:00:08.289992 START: 01:12:18.346617 END: 01:12:26.636609 2020-10-30 * REASONING C4,C5: 9.. * DIS # C4: 9 # D6: 1,4 => CTR => D6: 2,3,7 * PRF # C4: 9 + D6: 2,3,7 # G4: 1,4 => SOL * STA # C4: 9 + D6: 2,3,7 + G4: 1,4 * CNT 2 HDP CHAINS / 3 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
662995;12_12_19;dob;22;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C4,C5: 9..:
* DIS # C4: 9 # D6: 1,4 => CTR => D6: 2,3,7 * PRF # C4: 9 + D6: 2,3,7 # G4: 1,4 => SOL * STA # C4: 9 + D6: 2,3,7 + G4: 1,4 * CNT 2 HDP CHAINS / 3 HYP OPENED