Analysis of xx-ph-00416582-12_12_03-base.sdk
Contents
Original Sudoku
level: deep
position: ........1.....1.23.12.3.4.....5......36.1...4.7....6...23.6..4.7....8..29........ initial
Autosolve
position: 3.......1.....1.23.12.3.4.....5.6....36.1...4.7....6...23.6..4.7....8..29........ autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for B8,H8: 6..:
* DIS # H8: 6 # A6: 5,8 => CTR => A6: 1,2,4 * DIS # H8: 6 + A6: 1,2,4 # C6: 8,9 => CTR => C6: 1,5 * PRF # H8: 6 + A6: 1,2,4 + C6: 1,5 # C4: 1 => SOL * STA # H8: 6 + A6: 1,2,4 + C6: 1,5 + C4: 1 * CNT 3 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
| ........1.....1.23.12.3.4.....5......36.1...4.7....6...23.6..4.7....8..29........ | initial |
| 3.......1.....1.23.12.3.4.....5.6....36.1...4.7....6...23.6..4.7....8..29........ | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G4,G5: 2.. / G4 = 2 => 0 pairs (_) / G5 = 2 => 3 pairs (_) D6,F6: 3.. / D6 = 3 => 0 pairs (_) / F6 = 3 => 0 pairs (_) G4,H4: 3.. / G4 = 3 => 3 pairs (_) / H4 = 3 => 0 pairs (_) F6,F9: 3.. / F6 = 3 => 0 pairs (_) / F9 = 3 => 0 pairs (_) A2,A3: 6.. / A2 = 6 => 2 pairs (_) / A3 = 6 => 0 pairs (_) B8,B9: 6.. / B8 = 6 => 0 pairs (_) / B9 = 6 => 3 pairs (_) D1,H1: 6.. / D1 = 6 => 2 pairs (_) / H1 = 6 => 0 pairs (_) A2,D2: 6.. / A2 = 6 => 2 pairs (_) / D2 = 6 => 0 pairs (_) B8,H8: 6.. / B8 = 6 => 0 pairs (_) / H8 = 6 => 3 pairs (_) I3,I9: 6.. / I3 = 6 => 2 pairs (_) / I9 = 6 => 0 pairs (_) C1,C2: 7.. / C1 = 7 => 0 pairs (_) / C2 = 7 => 0 pairs (_) * DURATION: 0:00:11.063020 START: 04:25:15.613965 END: 04:25:26.676985 2020-10-02 * CP COUNT: (11) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B8,H8: 6.. / B8 = 6 => 0 pairs (X) / H8 = 6 ==> 0 pairs (*) * DURATION: 0:00:26.741973 START: 04:25:26.677840 END: 04:25:53.419813 2020-10-02 * REASONING B8,H8: 6.. * DIS # H8: 6 # A6: 5,8 => CTR => A6: 1,2,4 * DIS # H8: 6 + A6: 1,2,4 # C6: 8,9 => CTR => C6: 1,5 * PRF # H8: 6 + A6: 1,2,4 + C6: 1,5 # C4: 1 => SOL * STA # H8: 6 + A6: 1,2,4 + C6: 1,5 + C4: 1 * CNT 3 HDP CHAINS / 22 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
416582;12_12_03;dob;23;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B8,H8: 6..:
* INC # H8: 6 # B1: 5,8 => UNS * INC # H8: 6 # C1: 5,8 => UNS * INC # H8: 6 # B2: 5,8 => UNS * INC # H8: 6 # C2: 5,8 => UNS * INC # H8: 6 # H3: 5,8 => UNS * INC # H8: 6 # H3: 7,9 => UNS * INC # H8: 6 # A5: 5,8 => UNS * DIS # H8: 6 # A6: 5,8 => CTR => A6: 1,2,4 * INC # H8: 6 + A6: 1,2,4 # A7: 5,8 => UNS * INC # H8: 6 + A6: 1,2,4 # B1: 5,8 => UNS * INC # H8: 6 + A6: 1,2,4 # C1: 5,8 => UNS * INC # H8: 6 + A6: 1,2,4 # B2: 5,8 => UNS * INC # H8: 6 + A6: 1,2,4 # C2: 5,8 => UNS * INC # H8: 6 + A6: 1,2,4 # H3: 5,8 => UNS * INC # H8: 6 + A6: 1,2,4 # H3: 7,9 => UNS * INC # H8: 6 + A6: 1,2,4 # A5: 5,8 => UNS * INC # H8: 6 + A6: 1,2,4 # A7: 5,8 => UNS * INC # H8: 6 + A6: 1,2,4 # C4: 8,9 => UNS * DIS # H8: 6 + A6: 1,2,4 # C6: 8,9 => CTR => C6: 1,5 * INC # H8: 6 + A6: 1,2,4 + C6: 1,5 # C4: 8,9 => UNS * PRF # H8: 6 + A6: 1,2,4 + C6: 1,5 # C4: 1 => SOL * STA # H8: 6 + A6: 1,2,4 + C6: 1,5 + C4: 1 * CNT 21 HDP CHAINS / 22 HYP OPENED