Analysis of xx-ph-00535407-12_12_03-base.sdk
Contents
Original Sudoku
level: deep
position: ........1......234..1..4.56..3..6.4..7..5....8..9.......6..2.1..9..7....5..8..... initial
Autosolve
position: ........1......234..1..4.56..3..6.4..7..5....8..9.......6..2.1..9..7....5..8..... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for B7,C8: 8..:
* PRF # B7: 8 # E3: 2,3 => SOL * STA # B7: 8 + E3: 2,3 * CNT 1 HDP CHAINS / 12 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......234..1..4.56..3..6.4..7..5....8..9.......6..2.1..9..7....5..8..... | initial |
| ........1......234..1..4.56..3..6.4..7..5....8..9.......6..2.1..9..7....5..8..... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A8,B9: 1.. / A8 = 1 => 2 pairs (_) / B9 = 1 => 2 pairs (_) D5,E6: 4.. / D5 = 4 => 2 pairs (_) / E6 = 4 => 2 pairs (_) A5,B6: 6.. / A5 = 6 => 1 pairs (_) / B6 = 6 => 2 pairs (_) D8,E9: 6.. / D8 = 6 => 1 pairs (_) / E9 = 6 => 0 pairs (_) D4,F6: 7.. / D4 = 7 => 2 pairs (_) / F6 = 7 => 2 pairs (_) A7,C9: 7.. / A7 = 7 => 2 pairs (_) / C9 = 7 => 1 pairs (_) E4,F5: 8.. / E4 = 8 => 1 pairs (_) / F5 = 8 => 1 pairs (_) B7,C8: 8.. / B7 = 8 => 3 pairs (_) / C8 = 8 => 2 pairs (_) * DURATION: 0:00:05.139028 START: 16:58:40.234502 END: 16:58:45.373530 2020-12-27 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B7,C8: 8.. / B7 = 8 ==> 0 pairs (*) / C8 = 8 => 0 pairs (X) * DURATION: 0:00:11.564792 START: 16:58:45.374203 END: 16:58:56.938995 2020-12-27 * REASONING B7,C8: 8.. * PRF # B7: 8 # E3: 2,3 => SOL * STA # B7: 8 + E3: 2,3 * CNT 1 HDP CHAINS / 12 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
535407;12_12_03;dob;22;11.30;11.30;9.70
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B7,C8: 8..:
* INC # B7: 8 # B1: 5,6 => UNS * INC # B7: 8 # B1: 2,3,4 => UNS * INC # B7: 8 # D2: 5,6 => UNS * INC # B7: 8 # D2: 1,7 => UNS * INC # B7: 8 # B6: 5,6 => UNS * INC # B7: 8 # B6: 1,2,4 => UNS * INC # B7: 8 # A1: 2,3 => UNS * INC # B7: 8 # B1: 2,3 => UNS * INC # B7: 8 # A3: 2,3 => UNS * INC # B7: 8 # D3: 2,3 => UNS * PRF # B7: 8 # E3: 2,3 => SOL * STA # B7: 8 + E3: 2,3 * CNT 11 HDP CHAINS / 12 HYP OPENED