Analysis of xx-ph-01549926-14_09-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7..5...9...5...6..4..........839..5.....8...3.2.........987..6......31.. initial
Autosolve
position: 98.76.5..7..5...9...5...6..4..........839..5.....8...3.2.........987..6......31.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000009
List of important HDP chains detected for C1,H1: 3..:
* DIS # C1: 3 # I3: 1,2 => CTR => I3: 4,7,8 * DIS # C1: 3 + I3: 4,7,8 # B2: 1,4 => CTR => B2: 6 * PRF # C1: 3 + I3: 4,7,8 + B2: 6 # H3: 1,4 => SOL * STA # C1: 3 + I3: 4,7,8 + B2: 6 + H3: 1,4 * CNT 3 HDP CHAINS / 26 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
| 98.76.5..7..5...9...5...6..4..........839..5.....8...3.2.........987..6......31.. | initial |
| 98.76.5..7..5...9...5...6..4..........839..5.....8...3.2.........987..6......31.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E2,E3: 3.. / E2 = 3 => 0 pairs (_) / E3 = 3 => 2 pairs (_) B4,C4: 3.. / B4 = 3 => 3 pairs (_) / C4 = 3 => 0 pairs (_) C1,H1: 3.. / C1 = 3 => 4 pairs (_) / H1 = 3 => 0 pairs (_) B2,C2: 6.. / B2 = 6 => 1 pairs (_) / C2 = 6 => 1 pairs (_) I4,I5: 6.. / I4 = 6 => 1 pairs (_) / I5 = 6 => 2 pairs (_) H3,I3: 7.. / H3 = 7 => 0 pairs (_) / I3 = 7 => 0 pairs (_) F2,F3: 8.. / F2 = 8 => 2 pairs (_) / F3 = 8 => 1 pairs (_) A7,A9: 8.. / A7 = 8 => 1 pairs (_) / A9 = 8 => 0 pairs (_) D3,F3: 9.. / D3 = 9 => 1 pairs (_) / F3 = 9 => 2 pairs (_) B4,B6: 9.. / B4 = 9 => 0 pairs (_) / B6 = 9 => 0 pairs (_) B6,G6: 9.. / B6 = 9 => 0 pairs (_) / G6 = 9 => 0 pairs (_) D9,I9: 9.. / D9 = 9 => 2 pairs (_) / I9 = 9 => 0 pairs (_) F3,F7: 9.. / F3 = 9 => 2 pairs (_) / F7 = 9 => 1 pairs (_) * DURATION: 0:00:09.186615 START: 13:32:25.194447 END: 13:32:34.381062 2020-10-24 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,H1: 3.. / C1 = 3 ==> 0 pairs (*) / H1 = 3 => 0 pairs (X) * DURATION: 0:00:25.269046 START: 13:32:34.381786 END: 13:32:59.650832 2020-10-24 * REASONING C1,H1: 3.. * DIS # C1: 3 # I3: 1,2 => CTR => I3: 4,7,8 * DIS # C1: 3 + I3: 4,7,8 # B2: 1,4 => CTR => B2: 6 * PRF # C1: 3 + I3: 4,7,8 + B2: 6 # H3: 1,4 => SOL * STA # C1: 3 + I3: 4,7,8 + B2: 6 + H3: 1,4 * CNT 3 HDP CHAINS / 26 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1549926;14_09;GP;24;11.40;11.40;10.70
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,H1: 3..:
* INC # C1: 3 # C2: 1,2 => UNS * INC # C1: 3 # C2: 4,6 => UNS * INC # C1: 3 # D3: 1,2 => UNS * INC # C1: 3 # E3: 1,2 => UNS * INC # C1: 3 # F3: 1,2 => UNS * INC # C1: 3 # H3: 1,2 => UNS * DIS # C1: 3 # I3: 1,2 => CTR => I3: 4,7,8 * INC # C1: 3 + I3: 4,7,8 # A5: 1,2 => UNS * INC # C1: 3 + I3: 4,7,8 # A5: 6 => UNS * INC # C1: 3 + I3: 4,7,8 # C2: 1,2 => UNS * INC # C1: 3 + I3: 4,7,8 # C2: 4,6 => UNS * INC # C1: 3 + I3: 4,7,8 # D3: 1,2 => UNS * INC # C1: 3 + I3: 4,7,8 # E3: 1,2 => UNS * INC # C1: 3 + I3: 4,7,8 # F3: 1,2 => UNS * INC # C1: 3 + I3: 4,7,8 # H3: 1,2 => UNS * INC # C1: 3 + I3: 4,7,8 # A5: 1,2 => UNS * INC # C1: 3 + I3: 4,7,8 # A5: 6 => UNS * DIS # C1: 3 + I3: 4,7,8 # B2: 1,4 => CTR => B2: 6 * INC # C1: 3 + I3: 4,7,8 + B2: 6 # C2: 1,4 => UNS * INC # C1: 3 + I3: 4,7,8 + B2: 6 # C2: 1,4 => UNS * INC # C1: 3 + I3: 4,7,8 + B2: 6 # C2: 2 => UNS * INC # C1: 3 + I3: 4,7,8 + B2: 6 # D3: 1,4 => UNS * INC # C1: 3 + I3: 4,7,8 + B2: 6 # E3: 1,4 => UNS * INC # C1: 3 + I3: 4,7,8 + B2: 6 # F3: 1,4 => UNS * PRF # C1: 3 + I3: 4,7,8 + B2: 6 # H3: 1,4 => SOL * STA # C1: 3 + I3: 4,7,8 + B2: 6 + H3: 1,4 * CNT 25 HDP CHAINS / 26 HYP OPENED