Analysis of xx-ph-00000940-H48-base.sdk
Contents
Original Sudoku
level: deep
position: .......39...7...6...3.6...5..5.9...3.7...2...1..4.......6.8..9..2...1...4.....8.. initial
Autosolve
position: .......39...7...6...3.6...5..5.9...3.7...2...1..4.......6.8..9..2...1...4.....8.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000009
List of important HDP chains detected for G7,G8: 3..:
* DIS # G7: 3 # A8: 5,7 => CTR => A8: 3,8,9 * DIS # G7: 3 + A8: 3,8,9 # B9: 1,5 => CTR => B9: 3,9 * PRF # G7: 3 + A8: 3,8,9 + B9: 3,9 # A8: 8 => SOL * STA # G7: 3 + A8: 3,8,9 + B9: 3,9 + A8: 8 * CNT 3 HDP CHAINS / 15 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
| .......39...7...6...3.6...5..5.9...3.7...2...1..4.......6.8..9..2...1...4.....8.. | initial |
| .......39...7...6...3.6...5..5.9...3.7...2...1..4.......6.8..9..2...1...4.....8.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A4,C6: 2.. / A4 = 2 => 1 pairs (_) / C6 = 2 => 1 pairs (_) E2,F2: 3.. / E2 = 3 => 2 pairs (_) / F2 = 3 => 0 pairs (_) A5,B6: 3.. / A5 = 3 => 2 pairs (_) / B6 = 3 => 3 pairs (_) G7,G8: 3.. / G7 = 3 => 3 pairs (_) / G8 = 3 => 0 pairs (_) B4,C5: 4.. / B4 = 4 => 1 pairs (_) / C5 = 4 => 1 pairs (_) F7,E8: 4.. / F7 = 4 => 2 pairs (_) / E8 = 4 => 2 pairs (_) A1,B1: 6.. / A1 = 6 => 1 pairs (_) / B1 = 6 => 1 pairs (_) I2,H3: 8.. / I2 = 8 => 0 pairs (_) / H3 = 8 => 1 pairs (_) A8,C8: 8.. / A8 = 8 => 2 pairs (_) / C8 = 8 => 2 pairs (_) G5,G6: 9.. / G5 = 9 => 1 pairs (_) / G6 = 9 => 1 pairs (_) * DURATION: 0:00:06.712893 START: 10:29:56.060016 END: 10:30:02.772909 2020-11-23 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) A5,B6: 3.. / A5 = 3 ==> 2 pairs (_) / B6 = 3 ==> 3 pairs (_) G7,G8: 3.. / G7 = 3 ==> 0 pairs (*) / G8 = 3 => 0 pairs (X) * DURATION: 0:00:31.771863 START: 10:30:02.773731 END: 10:30:34.545594 2020-11-23 * REASONING G7,G8: 3.. * DIS # G7: 3 # A8: 5,7 => CTR => A8: 3,8,9 * DIS # G7: 3 + A8: 3,8,9 # B9: 1,5 => CTR => B9: 3,9 * PRF # G7: 3 + A8: 3,8,9 + B9: 3,9 # A8: 8 => SOL * STA # G7: 3 + A8: 3,8,9 + B9: 3,9 + A8: 8 * CNT 3 HDP CHAINS / 15 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
940;H48;col;21;11.30;11.30;7.80
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for A5,B6: 3..:
* INC # B6: 3 # F6: 5,7 => UNS * INC # B6: 3 # F6: 6,8 => UNS * INC # B6: 3 # G6: 5,7 => UNS * INC # B6: 3 # H6: 5,7 => UNS * INC # B6: 3 # E8: 5,7 => UNS * INC # B6: 3 # E9: 5,7 => UNS * INC # B6: 3 # B9: 1,5 => UNS * INC # B6: 3 # B9: 9 => UNS * INC # B6: 3 # G7: 1,5 => UNS * INC # B6: 3 # G7: 2,3,4,7 => UNS * INC # B6: 3 # B1: 1,5 => UNS * INC # B6: 3 # B2: 1,5 => UNS * INC # B6: 3 # D9: 2,5 => UNS * INC # B6: 3 # E9: 2,5 => UNS * INC # B6: 3 # G7: 2,5 => UNS * INC # B6: 3 # G7: 1,3,4,7 => UNS * INC # B6: 3 # D1: 2,5 => UNS * INC # B6: 3 # D1: 1,8 => UNS * INC # B6: 3 => UNS * INC # A5: 3 # D5: 1,5 => UNS * INC # A5: 3 # D5: 6,8 => UNS * INC # A5: 3 # G5: 1,5 => UNS * INC # A5: 3 # H5: 1,5 => UNS * INC # A5: 3 # E1: 1,5 => UNS * INC # A5: 3 # E2: 1,5 => UNS * INC # A5: 3 # A8: 5,7 => UNS * INC # A5: 3 # A8: 8,9 => UNS * INC # A5: 3 # F7: 5,7 => UNS * INC # A5: 3 # G7: 5,7 => UNS * INC # A5: 3 # A1: 5,7 => UNS * INC # A5: 3 # A1: 2,6,8 => UNS * INC # A5: 3 => UNS * CNT 32 HDP CHAINS / 32 HYP OPENED
Full list of HDP chains traversed for G7,G8: 3..:
* DIS # G7: 3 # A8: 5,7 => CTR => A8: 3,8,9 * INC # G7: 3 + A8: 3,8,9 # F7: 5,7 => UNS * INC # G7: 3 + A8: 3,8,9 # F7: 4 => UNS * INC # G7: 3 + A8: 3,8,9 # A1: 5,7 => UNS * INC # G7: 3 + A8: 3,8,9 # A1: 2,6,8 => UNS * DIS # G7: 3 + A8: 3,8,9 # B9: 1,5 => CTR => B9: 3,9 * INC # G7: 3 + A8: 3,8,9 + B9: 3,9 # B1: 1,5 => UNS * INC # G7: 3 + A8: 3,8,9 + B9: 3,9 # B2: 1,5 => UNS * INC # G7: 3 + A8: 3,8,9 + B9: 3,9 # A1: 5,7 => UNS * INC # G7: 3 + A8: 3,8,9 + B9: 3,9 # A1: 2,6,8 => UNS * INC # G7: 3 + A8: 3,8,9 + B9: 3,9 # B1: 1,5 => UNS * INC # G7: 3 + A8: 3,8,9 + B9: 3,9 # B2: 1,5 => UNS * INC # G7: 3 + A8: 3,8,9 + B9: 3,9 # A8: 3,9 => UNS * PRF # G7: 3 + A8: 3,8,9 + B9: 3,9 # A8: 8 => SOL * STA # G7: 3 + A8: 3,8,9 + B9: 3,9 + A8: 8 * CNT 14 HDP CHAINS / 15 HYP OPENED