Analysis of xx-ph-00000472-H19-base.sdk
Contents
Original Sudoku
level: deep
position: .....1..9.......65..9.5..3...8.9...6.7.2.....1....48....3.8..5..2.......4..7..... initial
Autosolve
position: .....1..9.......65..9.5..3...8.9...6.7.2.8...1....48....3.8..5..2.......4..7..... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for D4,E5: 1..:
* PRF # E5: 1 # A4: 3 => SOL * STA # E5: 1 + A4: 3 * CNT 1 HDP CHAINS / 3 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..9.......65..9.5..3...8.9...6.7.2.....1....48....3.8..5..2.......4..7..... | initial |
| .....1..9.......65..9.5..3...8.9...6.7.2.8...1....48....3.8..5..2.......4..7..... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D4,E5: 1.. / D4 = 1 => 1 pairs (_) / E5 = 1 => 4 pairs (_) A4,C6: 2.. / A4 = 2 => 1 pairs (_) / C6 = 2 => 3 pairs (_) B4,C5: 4.. / B4 = 4 => 1 pairs (_) / C5 = 4 => 3 pairs (_) G4,G5: 5.. / G4 = 5 => 5 pairs (_) / G5 = 5 => 1 pairs (_) F4,E6: 7.. / F4 = 7 => 2 pairs (_) / E6 = 7 => 3 pairs (_) H1,I3: 8.. / H1 = 8 => 0 pairs (_) / I3 = 8 => 1 pairs (_) A8,B9: 8.. / A8 = 8 => 0 pairs (_) / B9 = 8 => 0 pairs (_) D2,F2: 9.. / D2 = 9 => 0 pairs (_) / F2 = 9 => 1 pairs (_) A5,B6: 9.. / A5 = 9 => 2 pairs (_) / B6 = 9 => 2 pairs (_) B6,H6: 9.. / B6 = 9 => 2 pairs (_) / H6 = 9 => 2 pairs (_) * DURATION: 0:00:06.706413 START: 22:54:41.172110 END: 22:54:47.878523 2020-10-25 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G4,G5: 5.. / G4 = 5 ==> 5 pairs (_) / G5 = 5 ==> 1 pairs (_) D4,E5: 1.. / D4 = 1 => 0 pairs (X) / E5 = 1 ==> 0 pairs (*) * DURATION: 0:00:19.009859 START: 22:54:47.879206 END: 22:55:06.889065 2020-10-25 * REASONING D4,E5: 1.. * PRF # E5: 1 # A4: 3 => SOL * STA # E5: 1 + A4: 3 * CNT 1 HDP CHAINS / 3 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
472;H19;col;21;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G4,G5: 5..:
* INC # G4: 5 # A1: 2,3 => UNS * INC # G4: 5 # A2: 2,3 => UNS * INC # G4: 5 # B1: 3,4 => UNS * INC # G4: 5 # B2: 3,4 => UNS * INC # G4: 5 # C1: 2,6 => UNS * INC # G4: 5 # C1: 4,5,7 => UNS * INC # G4: 5 # E5: 1,3 => UNS * INC # G4: 5 # E5: 6 => UNS * INC # G4: 5 # D8: 1,3 => UNS * INC # G4: 5 # D8: 4,6,9 => UNS * INC # G4: 5 # E6: 3,7 => UNS * INC # G4: 5 # E6: 6 => UNS * INC # G4: 5 # F2: 3,7 => UNS * INC # G4: 5 # F2: 2,9 => UNS * INC # G4: 5 => UNS * INC # G5: 5 # C1: 4,6 => UNS * INC # G5: 5 # C1: 2,5,7 => UNS * INC # G5: 5 => UNS * CNT 18 HDP CHAINS / 18 HYP OPENED
Full list of HDP chains traversed for D4,E5: 1..:
* INC # E5: 1 # A4: 2,5 => UNS * PRF # E5: 1 # A4: 3 => SOL * STA # E5: 1 + A4: 3 * CNT 2 HDP CHAINS / 3 HYP OPENED