Analysis of xx-ph-00001638-H307-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6.....8....7.5..9..4...3.....9...7......2..14..65..9......4...2.....1.3. initial
Autosolve
position: 98.7.....6.....8....7.5..9..4...3..9..9...7......2..14..65..9......4...2.....1.3. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for A7,H7: 4..:
* DIS # A7: 4 # I7: 7,8 => CTR => I7: 1 * PRF # A7: 4 + I7: 1 # G1: 3,5 => SOL * STA # A7: 4 + I7: 1 + G1: 3,5 * CNT 2 HDP CHAINS / 19 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.....8....7.5..9..4...3.....9...7......2..14..65..9......4...2.....1.3. | initial |
| 98.7.....6.....8....7.5..9..4...3..9..9...7......2..14..65..9......4...2.....1.3. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I7,G8: 1.. / I7 = 1 => 2 pairs (_) / G8 = 1 => 1 pairs (_) F7,D9: 2.. / F7 = 2 => 2 pairs (_) / D9 = 2 => 1 pairs (_) I5,G6: 3.. / I5 = 3 => 3 pairs (_) / G6 = 3 => 1 pairs (_) E7,D8: 3.. / E7 = 3 => 2 pairs (_) / D8 = 3 => 1 pairs (_) D5,F5: 4.. / D5 = 4 => 0 pairs (_) / F5 = 4 => 5 pairs (_) H7,G9: 4.. / H7 = 4 => 1 pairs (_) / G9 = 4 => 5 pairs (_) A7,H7: 4.. / A7 = 4 => 5 pairs (_) / H7 = 4 => 1 pairs (_) F5,F6: 5.. / F5 = 5 => 0 pairs (_) / F6 = 5 => 3 pairs (_) B5,B6: 6.. / B5 = 6 => 1 pairs (_) / B6 = 6 => 2 pairs (_) H2,I2: 7.. / H2 = 7 => 1 pairs (_) / I2 = 7 => 1 pairs (_) E4,F6: 7.. / E4 = 7 => 1 pairs (_) / F6 = 7 => 1 pairs (_) A4,E4: 7.. / A4 = 7 => 1 pairs (_) / E4 = 7 => 1 pairs (_) D3,F3: 8.. / D3 = 8 => 2 pairs (_) / F3 = 8 => 1 pairs (_) D6,F6: 9.. / D6 = 9 => 0 pairs (_) / F6 = 9 => 3 pairs (_) B8,B9: 9.. / B8 = 9 => 0 pairs (_) / B9 = 9 => 1 pairs (_) E2,E9: 9.. / E2 = 9 => 1 pairs (_) / E9 = 9 => 1 pairs (_) * DURATION: 0:00:09.338162 START: 05:42:52.060468 END: 05:43:01.398630 2020-11-30 * CP COUNT: (16) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) A7,H7: 4.. / A7 = 4 ==> 0 pairs (*) / H7 = 4 => 0 pairs (X) * DURATION: 0:00:19.879647 START: 05:43:01.399221 END: 05:43:21.278868 2020-11-30 * REASONING A7,H7: 4.. * DIS # A7: 4 # I7: 7,8 => CTR => I7: 1 * PRF # A7: 4 + I7: 1 # G1: 3,5 => SOL * STA # A7: 4 + I7: 1 + G1: 3,5 * CNT 2 HDP CHAINS / 19 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1638;H307;GP;22;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for A7,H7: 4..:
* INC # A7: 4 # D2: 2,9 => UNS * INC # A7: 4 # D2: 1,3 => UNS * INC # A7: 4 # D5: 4,8 => UNS * INC # A7: 4 # D5: 1,6 => UNS * INC # A7: 4 # F5: 4,8 => UNS * INC # A7: 4 # F5: 5,6 => UNS * DIS # A7: 4 # I7: 7,8 => CTR => I7: 1 * INC # A7: 4 + I7: 1 # H8: 7,8 => UNS * INC # A7: 4 + I7: 1 # I9: 7,8 => UNS * INC # A7: 4 + I7: 1 # E7: 7,8 => UNS * INC # A7: 4 + I7: 1 # F7: 7,8 => UNS * INC # A7: 4 + I7: 1 # D2: 2,9 => UNS * INC # A7: 4 + I7: 1 # D2: 1,3 => UNS * INC # A7: 4 + I7: 1 # D5: 4,8 => UNS * INC # A7: 4 + I7: 1 # D5: 1,6 => UNS * INC # A7: 4 + I7: 1 # F5: 4,8 => UNS * INC # A7: 4 + I7: 1 # F5: 5,6 => UNS * PRF # A7: 4 + I7: 1 # G1: 3,5 => SOL * STA # A7: 4 + I7: 1 + G1: 3,5 * CNT 18 HDP CHAINS / 19 HYP OPENED