Analysis of xx-ph-00247983-12_12_03-base.sdk
Contents
Original Sudoku
level: deep
position: ........1.....2..3..4.5..6...567.....3...8...6..5...7...649......7....9..1....8.. initial
Autosolve
position: ........1.....2..3..4.5..6...567....73...8...6..5...7...649......7....9..1....8.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for A9,C9: 9..:
* PRF # C9: 9 # C6: 8 => SOL * STA # C9: 9 + C6: 8 * CNT 1 HDP CHAINS / 9 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...567.....3...8...6..5...7...649......7....9..1....8.. | initial |
| ........1.....2..3..4.5..6...567....73...8...6..5...7...649......7....9..1....8.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) C1,C9: 3.. / C1 = 3 => 1 pairs (_) / C9 = 3 => 2 pairs (_) B1,B2: 6.. / B1 = 6 => 1 pairs (_) / B2 = 6 => 0 pairs (_) G5,I5: 6.. / G5 = 6 => 0 pairs (_) / I5 = 6 => 0 pairs (_) B2,E2: 6.. / B2 = 6 => 0 pairs (_) / E2 = 6 => 1 pairs (_) G5,G8: 6.. / G5 = 6 => 0 pairs (_) / G8 = 6 => 0 pairs (_) A7,B7: 8.. / A7 = 8 => 1 pairs (_) / B7 = 8 => 0 pairs (_) D8,E8: 8.. / D8 = 8 => 1 pairs (_) / E8 = 8 => 0 pairs (_) A9,C9: 9.. / A9 = 9 => 1 pairs (_) / C9 = 9 => 2 pairs (_) * DURATION: 0:00:05.160906 START: 04:52:33.569043 END: 04:52:38.729949 2020-09-24 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) A9,C9: 9.. / A9 = 9 => 0 pairs (X) / C9 = 9 ==> 0 pairs (*) * DURATION: 0:00:10.084049 START: 04:52:38.730608 END: 04:52:48.814657 2020-09-24 * REASONING A9,C9: 9.. * PRF # C9: 9 # C6: 8 => SOL * STA # C9: 9 + C6: 8 * CNT 1 HDP CHAINS / 9 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
247983;12_12_03;dob;21;11.60;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for A9,C9: 9..:
* INC # C9: 9 # A2: 1,8 => UNS * INC # C9: 9 # A3: 1,8 => UNS * INC # C9: 9 # D2: 1,8 => UNS * INC # C9: 9 # E2: 1,8 => UNS * INC # C9: 9 # C6: 1,8 => UNS * INC # C9: 9 # C6: 2 => UNS * INC # C9: 9 # C6: 1,2 => UNS * PRF # C9: 9 # C6: 8 => SOL * STA # C9: 9 + C6: 8 * CNT 8 HDP CHAINS / 9 HYP OPENED