Analysis of xx-ph-00001210-H286-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6.....7....7....95.4..3......95..8.......2..1..69..5......4...2.....1.3. initial
Autosolve
position: 98.7.....6.....7....7....95.4..3......95..8.......2..1..69..5......4...2.....1.3. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000011
List of important HDP chains detected for F2,F4: 9..:
* DIS # F4: 9 # G1: 2,6 => CTR => G1: 1,3,4 * DIS # F4: 9 + G1: 1,3,4 # G3: 2,6 => CTR => G3: 1,3,4 * DIS # F4: 9 + G1: 1,3,4 + G3: 1,3,4 # I7: 7 => CTR => I7: 4,8 * PRF # F4: 9 + G1: 1,3,4 + G3: 1,3,4 + I7: 4,8 # H2: 8 => SOL * STA # F4: 9 + G1: 1,3,4 + G3: 1,3,4 + I7: 4,8 + H2: 8 * CNT 4 HDP CHAINS / 18 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.....7....7....95.4..3......95..8.......2..1..69..5......4...2.....1.3. | initial |
| 98.7.....6.....7....7....95.4..3......95..8.......2..1..69..5......4...2.....1.3. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D4,E5: 1.. / D4 = 1 => 1 pairs (_) / E5 = 1 => 1 pairs (_) I5,G6: 3.. / I5 = 3 => 2 pairs (_) / G6 = 3 => 1 pairs (_) F5,D6: 4.. / F5 = 4 => 1 pairs (_) / D6 = 4 => 1 pairs (_) H4,H6: 5.. / H4 = 5 => 0 pairs (_) / H6 = 5 => 1 pairs (_) F8,E9: 5.. / F8 = 5 => 0 pairs (_) / E9 = 5 => 0 pairs (_) B5,B6: 6.. / B5 = 6 => 2 pairs (_) / B6 = 6 => 1 pairs (_) H2,I2: 8.. / H2 = 8 => 1 pairs (_) / I2 = 8 => 1 pairs (_) E2,F2: 9.. / E2 = 9 => 6 pairs (_) / F2 = 9 => 0 pairs (_) F4,E6: 9.. / F4 = 9 => 6 pairs (_) / E6 = 9 => 0 pairs (_) B8,B9: 9.. / B8 = 9 => 1 pairs (_) / B9 = 9 => 2 pairs (_) E6,G6: 9.. / E6 = 9 => 0 pairs (_) / G6 = 9 => 6 pairs (_) B8,G8: 9.. / B8 = 9 => 1 pairs (_) / G8 = 9 => 2 pairs (_) E2,E6: 9.. / E2 = 9 => 6 pairs (_) / E6 = 9 => 0 pairs (_) F2,F4: 9.. / F2 = 9 => 0 pairs (_) / F4 = 9 => 6 pairs (_) I4,I9: 9.. / I4 = 9 => 1 pairs (_) / I9 = 9 => 3 pairs (_) * DURATION: 0:00:10.939677 START: 06:49:38.799266 END: 06:49:49.738943 2020-11-26 * CP COUNT: (15) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F2,F4: 9.. / F2 = 9 => 0 pairs (X) / F4 = 9 ==> 0 pairs (*) * DURATION: 0:00:23.035622 START: 06:49:49.739911 END: 06:50:12.775533 2020-11-26 * REASONING F2,F4: 9.. * DIS # F4: 9 # G1: 2,6 => CTR => G1: 1,3,4 * DIS # F4: 9 + G1: 1,3,4 # G3: 2,6 => CTR => G3: 1,3,4 * DIS # F4: 9 + G1: 1,3,4 + G3: 1,3,4 # I7: 7 => CTR => I7: 4,8 * PRF # F4: 9 + G1: 1,3,4 + G3: 1,3,4 + I7: 4,8 # H2: 8 => SOL * STA # F4: 9 + G1: 1,3,4 + G3: 1,3,4 + I7: 4,8 + H2: 8 * CNT 4 HDP CHAINS / 18 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1210;H286;GP;22;11.30;11.30;2.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F2,F4: 9..:
* INC # F4: 9 # G1: 4,6 => UNS * INC # F4: 9 # G3: 4,6 => UNS * INC # F4: 9 # F1: 4,6 => UNS * INC # F4: 9 # F1: 3,5 => UNS * INC # F4: 9 # I7: 4,8 => UNS * INC # F4: 9 # I7: 7 => UNS * INC # F4: 9 # H4: 2,6 => UNS * INC # F4: 9 # H5: 2,6 => UNS * DIS # F4: 9 # G1: 2,6 => CTR => G1: 1,3,4 * DIS # F4: 9 + G1: 1,3,4 # G3: 2,6 => CTR => G3: 1,3,4 * INC # F4: 9 + G1: 1,3,4 + G3: 1,3,4 # H4: 6,7 => UNS * INC # F4: 9 + G1: 1,3,4 + G3: 1,3,4 # H5: 6,7 => UNS * INC # F4: 9 + G1: 1,3,4 + G3: 1,3,4 # H6: 6,7 => UNS * INC # F4: 9 + G1: 1,3,4 + G3: 1,3,4 # I7: 4,8 => UNS * DIS # F4: 9 + G1: 1,3,4 + G3: 1,3,4 # I7: 7 => CTR => I7: 4,8 * INC # F4: 9 + G1: 1,3,4 + G3: 1,3,4 + I7: 4,8 # H2: 1,2 => UNS * PRF # F4: 9 + G1: 1,3,4 + G3: 1,3,4 + I7: 4,8 # H2: 8 => SOL * STA # F4: 9 + G1: 1,3,4 + G3: 1,3,4 + I7: 4,8 + H2: 8 * CNT 17 HDP CHAINS / 18 HYP OPENED