Analysis of xx-ph-00018580-KZ1C-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6.....97...7.5...6.4..3......96...5......21....85...9.....4...2.....13.. initial
Autosolve
position: 98.7.....6.....97...7.5...6.4..35.....96...5......21....85...9.....4...2.....13.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000011
List of important HDP chains detected for D4,I4: 9..:
* DIS # D4: 9 # D2: 4,8 => CTR => D2: 1,2,3 * DIS # D4: 9 + D2: 1,2,3 # D3: 4,8 => CTR => D3: 1,2,3 * DIS # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # E7: 7 => CTR => E7: 2,6 * PRF # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # F1: 6 => SOL * STA # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 + F1: 6 * CNT 4 HDP CHAINS / 30 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.....97...7.5...6.4..3......96...5......21....85...9.....4...2.....13.. | initial |
| 98.7.....6.....97...7.5...6.4..35.....96...5......21....85...9.....4...2.....13.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D4,E5: 1.. / D4 = 1 => 2 pairs (_) / E5 = 1 => 3 pairs (_) I7,H8: 1.. / I7 = 1 => 1 pairs (_) / H8 = 1 => 1 pairs (_) F5,D6: 4.. / F5 = 4 => 4 pairs (_) / D6 = 4 => 1 pairs (_) G8,I9: 5.. / G8 = 5 => 1 pairs (_) / I9 = 5 => 0 pairs (_) G1,G8: 5.. / G1 = 5 => 0 pairs (_) / G8 = 5 => 1 pairs (_) E1,F1: 6.. / E1 = 6 => 2 pairs (_) / F1 = 6 => 2 pairs (_) D3,F3: 9.. / D3 = 9 => 4 pairs (_) / F3 = 9 => 0 pairs (_) I4,I6: 9.. / I4 = 9 => 1 pairs (_) / I6 = 9 => 7 pairs (_) B8,B9: 9.. / B8 = 9 => 1 pairs (_) / B9 = 9 => 3 pairs (_) D4,I4: 9.. / D4 = 9 => 7 pairs (_) / I4 = 9 => 1 pairs (_) E6,E9: 9.. / E6 = 9 => 2 pairs (_) / E9 = 9 => 3 pairs (_) F3,F8: 9.. / F3 = 9 => 0 pairs (_) / F8 = 9 => 4 pairs (_) * DURATION: 0:00:07.837729 START: 02:46:41.522925 END: 02:46:49.360654 2020-12-06 * CP COUNT: (12) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D4,I4: 9.. / D4 = 9 ==> 0 pairs (*) / I4 = 9 => 0 pairs (X) * DURATION: 0:00:25.069104 START: 02:46:49.361497 END: 02:47:14.430601 2020-12-06 * REASONING D4,I4: 9.. * DIS # D4: 9 # D2: 4,8 => CTR => D2: 1,2,3 * DIS # D4: 9 + D2: 1,2,3 # D3: 4,8 => CTR => D3: 1,2,3 * DIS # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # E7: 7 => CTR => E7: 2,6 * PRF # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # F1: 6 => SOL * STA # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 + F1: 6 * CNT 4 HDP CHAINS / 30 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
18580;KZ1C;GP;23;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D4,I4: 9..:
* INC # D4: 9 # E7: 2,6 => UNS * INC # D4: 9 # E7: 7 => UNS * INC # D4: 9 # D2: 2,8 => UNS * INC # D4: 9 # D3: 2,8 => UNS * INC # D4: 9 # F5: 4,8 => UNS * INC # D4: 9 # F5: 7 => UNS * INC # D4: 9 # H6: 4,8 => UNS * INC # D4: 9 # H6: 3,6 => UNS * DIS # D4: 9 # D2: 4,8 => CTR => D2: 1,2,3 * DIS # D4: 9 + D2: 1,2,3 # D3: 4,8 => CTR => D3: 1,2,3 * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # A6: 7,8 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # A6: 3,5 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # G4: 7,8 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # G5: 7,8 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # I5: 7,8 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # A4: 7,8 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # A4: 1,2 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # I9: 7,8 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # I9: 4,5 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # E7: 2,6 => UNS * DIS # D4: 9 + D2: 1,2,3 + D3: 1,2,3 # E7: 7 => CTR => E7: 2,6 * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # G4: 7,8 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # G4: 2,6 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # A4: 7,8 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # A4: 1,2 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # I9: 7,8 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # I9: 4,5 => UNS * INC # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # F1: 3,4 => UNS * PRF # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 # F1: 6 => SOL * STA # D4: 9 + D2: 1,2,3 + D3: 1,2,3 + E7: 2,6 + F1: 6 * CNT 29 HDP CHAINS / 30 HYP OPENED