Analysis of xx-ph-00000123-H16-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6...9.7....7..5....4..3..2...8...5.......1..4..65..9......4...3.....2.1. initial
Autosolve
position: 98.7.....6...9.7....7..5....4..3..2...8...5......51..4..65..9......4...3.....2.1. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for F7,D9: 3..:
* PRF # F7: 3 # D2: 4,8 => SOL * STA # F7: 3 + D2: 4,8 * CNT 1 HDP CHAINS / 8 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...9.7....7..5....4..3..2...8...5.......1..4..65..9......4...3.....2.1. | initial |
| 98.7.....6...9.7....7..5....4..3..2...8...5......51..4..65..9......4...3.....2.1. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E7,D8: 1.. / E7 = 1 => 1 pairs (_) / D8 = 1 => 1 pairs (_) I7,G8: 2.. / I7 = 2 => 1 pairs (_) / G8 = 2 => 1 pairs (_) F7,D9: 3.. / F7 = 3 => 2 pairs (_) / D9 = 3 => 1 pairs (_) D5,F5: 4.. / D5 = 4 => 0 pairs (_) / F5 = 4 => 2 pairs (_) H7,G9: 4.. / H7 = 4 => 1 pairs (_) / G9 = 4 => 1 pairs (_) A7,H7: 4.. / A7 = 4 => 1 pairs (_) / H7 = 4 => 1 pairs (_) A4,C4: 5.. / A4 = 5 => 1 pairs (_) / C4 = 5 => 1 pairs (_) H8,I9: 5.. / H8 = 5 => 0 pairs (_) / I9 = 5 => 0 pairs (_) B5,B6: 6.. / B5 = 6 => 1 pairs (_) / B6 = 6 => 1 pairs (_) H3,I3: 9.. / H3 = 9 => 0 pairs (_) / I3 = 9 => 0 pairs (_) * DURATION: 0:00:06.302077 START: 11:10:45.040998 END: 11:10:51.343075 2020-09-23 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F7,D9: 3.. / F7 = 3 ==> 0 pairs (*) / D9 = 3 => 0 pairs (X) * DURATION: 0:00:10.638872 START: 11:10:51.343681 END: 11:11:01.982553 2020-09-23 * REASONING F7,D9: 3.. * PRF # F7: 3 # D2: 4,8 => SOL * STA # F7: 3 + D2: 4,8 * CNT 1 HDP CHAINS / 8 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
123;H16;GP;22;11.60;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F7,D9: 3..:
* INC # F7: 3 # D3: 4,6 => UNS * INC # F7: 3 # D3: 1,2,3,8 => UNS * INC # F7: 3 # G1: 4,6 => UNS * INC # F7: 3 # H1: 4,6 => UNS * INC # F7: 3 # F5: 4,6 => UNS * INC # F7: 3 # F5: 7,9 => UNS * PRF # F7: 3 # D2: 4,8 => SOL * STA # F7: 3 + D2: 4,8 * CNT 7 HDP CHAINS / 8 HYP OPENED