Analysis of xx-ph-00000667-913-base.sdk
Contents
Original Sudoku
level: deep
position: 1...5..8.....89..6...7..........3..4.6....9....52...1.5...2..7.7.28......4....3.. initial
Autosolve
position: 1...5..8.....89..6...7..........3..4.6....9....52...1.5...2..7.7.28......4....3.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000012
List of important HDP chains detected for E9,F9: 7..:
* DIS # E9: 7 # E8: 1,4 => CTR => E8: 3,6,9 * CNT 1 HDP CHAINS / 32 HYP OPENED
List of important HDP chains detected for E3,E8: 3..:
* DIS # E3: 3 # C1: 4,6 => CTR => C1: 3,7,9 * DIS # E3: 3 + C1: 3,7,9 # F1: 2 => CTR => F1: 4,6 * PRF # E3: 3 + C1: 3,7,9 + F1: 4,6 # F6: 4,6 => SOL * STA # E3: 3 + C1: 3,7,9 + F1: 4,6 + F6: 4,6 * CNT 3 HDP CHAINS / 7 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...5..8.....89..6...7..........3..4.6....9....52...1.5...2..7.7.28......4....3.. | initial |
| 1...5..8.....89..6...7..........3..4.6....9....52...1.5...2..7.7.28......4....3.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D2,G2: 1.. / D2 = 1 => 1 pairs (_) / G2 = 1 => 1 pairs (_) F1,F3: 2.. / F1 = 2 => 1 pairs (_) / F3 = 2 => 1 pairs (_) H9,I9: 2.. / H9 = 2 => 2 pairs (_) / I9 = 2 => 0 pairs (_) D7,E8: 3.. / D7 = 3 => 2 pairs (_) / E8 = 3 => 1 pairs (_) B8,E8: 3.. / B8 = 3 => 2 pairs (_) / E8 = 3 => 1 pairs (_) E3,E8: 3.. / E3 = 3 => 2 pairs (_) / E8 = 3 => 1 pairs (_) B2,B3: 5.. / B2 = 5 => 0 pairs (_) / B3 = 5 => 0 pairs (_) A3,A9: 6.. / A3 = 6 => 1 pairs (_) / A9 = 6 => 0 pairs (_) E9,F9: 7.. / E9 = 7 => 3 pairs (_) / F9 = 7 => 0 pairs (_) F5,F6: 8.. / F5 = 8 => 0 pairs (_) / F6 = 8 => 2 pairs (_) * DURATION: 0:00:07.841739 START: 01:35:22.234222 END: 01:35:30.075961 2020-11-21 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E9,F9: 7.. / E9 = 7 ==> 3 pairs (_) / F9 = 7 ==> 0 pairs (_) E3,E8: 3.. / E3 = 3 ==> 0 pairs (*) / E8 = 3 => 0 pairs (X) * DURATION: 0:00:32.769973 START: 01:35:30.076768 END: 01:36:02.846741 2020-11-21 * REASONING E9,F9: 7.. * DIS # E9: 7 # E8: 1,4 => CTR => E8: 3,6,9 * CNT 1 HDP CHAINS / 32 HYP OPENED * REASONING E3,E8: 3.. * DIS # E3: 3 # C1: 4,6 => CTR => C1: 3,7,9 * DIS # E3: 3 + C1: 3,7,9 # F1: 2 => CTR => F1: 4,6 * PRF # E3: 3 + C1: 3,7,9 + F1: 4,6 # F6: 4,6 => SOL * STA # E3: 3 + C1: 3,7,9 + F1: 4,6 + F6: 4,6 * CNT 3 HDP CHAINS / 7 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
667;913;elev;22;11.30;11.30;10.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E9,F9: 7..:
* INC # E9: 7 # D5: 1,4 => UNS * INC # E9: 7 # D5: 5 => UNS * INC # E9: 7 # C5: 1,4 => UNS * INC # E9: 7 # C5: 3,7,8 => UNS * INC # E9: 7 # E3: 1,4 => UNS * DIS # E9: 7 # E8: 1,4 => CTR => E8: 3,6,9 * INC # E9: 7 + E8: 3,6,9 # E3: 1,4 => UNS * INC # E9: 7 + E8: 3,6,9 # E3: 3,6 => UNS * INC # E9: 7 + E8: 3,6,9 # D5: 1,4 => UNS * INC # E9: 7 + E8: 3,6,9 # D5: 5 => UNS * INC # E9: 7 + E8: 3,6,9 # C5: 1,4 => UNS * INC # E9: 7 + E8: 3,6,9 # C5: 3,7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # E3: 1,4 => UNS * INC # E9: 7 + E8: 3,6,9 # E3: 3,6 => UNS * INC # E9: 7 + E8: 3,6,9 # C5: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # I5: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # B6: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # G6: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # I6: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # D5: 1,4 => UNS * INC # E9: 7 + E8: 3,6,9 # D5: 5 => UNS * INC # E9: 7 + E8: 3,6,9 # C5: 1,4 => UNS * INC # E9: 7 + E8: 3,6,9 # C5: 3,7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # E3: 1,4 => UNS * INC # E9: 7 + E8: 3,6,9 # E3: 3,6 => UNS * INC # E9: 7 + E8: 3,6,9 # C5: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # I5: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # B6: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # G6: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 # I6: 7,8 => UNS * INC # E9: 7 + E8: 3,6,9 => UNS * INC # F9: 7 => UNS * CNT 32 HDP CHAINS / 32 HYP OPENED
Full list of HDP chains traversed for E3,E8: 3..:
* INC # E3: 3 # F1: 4,6 => UNS * INC # E3: 3 # F3: 4,6 => UNS * DIS # E3: 3 # C1: 4,6 => CTR => C1: 3,7,9 * INC # E3: 3 + C1: 3,7,9 # F1: 4,6 => UNS * DIS # E3: 3 + C1: 3,7,9 # F1: 2 => CTR => F1: 4,6 * PRF # E3: 3 + C1: 3,7,9 + F1: 4,6 # F6: 4,6 => SOL * STA # E3: 3 + C1: 3,7,9 + F1: 4,6 + F6: 4,6 * CNT 6 HDP CHAINS / 7 HYP OPENED