Analysis of xx-ph-00000025-H2-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6..89......5..4...7...3.9....6...7....2....41.6..8.3.......1..5.......2. initial
Autosolve
position: 98.7.....6..89......5..4...7...3.9....6...7....2....41.6..8.3.......1..5.......2. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000005
List of important HDP chains detected for B5,B6: 9..:
* DIS # B6: 9 # B3: 1,2 => CTR => B3: 3,7 * PRF # B6: 9 + B3: 3,7 # G3: 1,2 => SOL * STA # B6: 9 + B3: 3,7 + G3: 1,2 * CNT 2 HDP CHAINS / 8 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
| 98.7.....6..89......5..4...7...3.9....6...7....2....41.6..8.3.......1..5.......2. | initial |
| 98.7.....6..89......5..4...7...3.9....6...7....2....41.6..8.3.......1..5.......2. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H7,G9: 1.. / H7 = 1 => 0 pairs (_) / G9 = 1 => 1 pairs (_) I4,I5: 2.. / I4 = 2 => 1 pairs (_) / I5 = 2 => 1 pairs (_) A6,B6: 3.. / A6 = 3 => 2 pairs (_) / B6 = 3 => 1 pairs (_) H5,I5: 3.. / H5 = 3 => 1 pairs (_) / I5 = 3 => 3 pairs (_) E6,F6: 7.. / E6 = 7 => 0 pairs (_) / F6 = 7 => 1 pairs (_) H3,I3: 9.. / H3 = 9 => 1 pairs (_) / I3 = 9 => 1 pairs (_) B5,B6: 9.. / B5 = 9 => 1 pairs (_) / B6 = 9 => 2 pairs (_) * DURATION: 0:00:06.459972 START: 19:20:12.956197 END: 19:20:19.416169 2017-04-29 * CP COUNT: (7) -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) H5,I5: 3.. / H5 = 3 ==> 1 pairs (_) / I5 = 3 ==> 3 pairs (_) B5,B6: 9.. / B5 = 9 => 0 pairs (X) / B6 = 9 ==> 0 pairs (*) * DURATION: 0:00:24.388513 START: 19:20:19.416541 END: 19:20:43.805054 2017-04-29 * REASONING B5,B6: 9.. * DIS # B6: 9 # B3: 1,2 => CTR => B3: 3,7 * PRF # B6: 9 + B3: 3,7 # G3: 1,2 => SOL * STA # B6: 9 + B3: 3,7 + G3: 1,2 * CNT 2 HDP CHAINS / 8 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
25;H2;GP;22;11.80;11.80;2.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for H5,I5: 3..:
* INC # I5: 3 # G1: 4,6 => UNS * INC # I5: 3 # G1: 1,2,5 => UNS * INC # I5: 3 # I9: 4,6 => UNS * INC # I5: 3 # I9: 7,8,9 => UNS * INC # I5: 3 # B2: 4,7 => UNS * INC # I5: 3 # C2: 4,7 => UNS * INC # I5: 3 # I7: 4,7 => UNS * INC # I5: 3 # I9: 4,7 => UNS * INC # I5: 3 # H4: 5,8 => UNS * INC # I5: 3 # G6: 5,8 => UNS * INC # I5: 3 # A5: 5,8 => UNS * INC # I5: 3 # F5: 5,8 => UNS * INC # I5: 3 => UNS * INC # H5: 3 # I4: 2,8 => UNS * INC # H5: 3 # I4: 6 => UNS * INC # H5: 3 # F5: 2,8 => UNS * INC # H5: 3 # F5: 5,9 => UNS * INC # H5: 3 => UNS * CNT 18 HDP CHAINS / 18 HYP OPENED
Full list of HDP chains traversed for B5,B6: 9..:
* INC # B6: 9 # B2: 1,2 => UNS * DIS # B6: 9 # B3: 1,2 => CTR => B3: 3,7 * INC # B6: 9 + B3: 3,7 # B2: 1,2 => UNS * INC # B6: 9 + B3: 3,7 # B2: 3,4,7 => UNS * INC # B6: 9 + B3: 3,7 # D3: 1,2 => UNS * INC # B6: 9 + B3: 3,7 # E3: 1,2 => UNS * PRF # B6: 9 + B3: 3,7 # G3: 1,2 => SOL * STA # B6: 9 + B3: 3,7 + G3: 1,2 * CNT 7 HDP CHAINS / 8 HYP OPENED