Analysis of xx-ph-02487968-2019_08_05_a-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7...9..5..453..7...3.6..4....7.3...2.....1.....8.6.3.....8...47.....3... initial
Autosolve
position: 98.7..6..7...9..5..453..7...3.6..4....7.3...2.....1.....8.6.3..3..8...47.....3... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for I1,I2: 4..:
* PRF # I1: 4 # F7: 2,5 => SOL * STA # I1: 4 + F7: 2,5 * CNT 1 HDP CHAINS / 25 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...9..5..453..7...3.6..4....7.3...2.....1.....8.6.3.....8...47.....3... | initial |
| 98.7..6..7...9..5..453..7...3.6..4....7.3...2.....1.....8.6.3..3..8...47.....3... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) C1,C2: 3.. / C1 = 3 => 2 pairs (_) / C2 = 3 => 1 pairs (_) H6,I6: 3.. / H6 = 3 => 3 pairs (_) / I6 = 3 => 2 pairs (_) C2,I2: 3.. / C2 = 3 => 1 pairs (_) / I2 = 3 => 2 pairs (_) H1,H6: 3.. / H1 = 3 => 2 pairs (_) / H6 = 3 => 3 pairs (_) I1,I2: 4.. / I1 = 4 => 1 pairs (_) / I2 = 4 => 5 pairs (_) C6,C9: 4.. / C6 = 4 => 0 pairs (_) / C9 = 4 => 0 pairs (_) E1,F1: 5.. / E1 = 5 => 2 pairs (_) / F1 = 5 => 1 pairs (_) F2,F3: 6.. / F2 = 6 => 3 pairs (_) / F3 = 6 => 1 pairs (_) B8,C8: 6.. / B8 = 6 => 1 pairs (_) / C8 = 6 => 0 pairs (_) H9,I9: 6.. / H9 = 6 => 3 pairs (_) / I9 = 6 => 0 pairs (_) A3,F3: 6.. / A3 = 6 => 3 pairs (_) / F3 = 6 => 1 pairs (_) I6,I9: 6.. / I6 = 6 => 3 pairs (_) / I9 = 6 => 0 pairs (_) H4,H6: 7.. / H4 = 7 => 0 pairs (_) / H6 = 7 => 2 pairs (_) B7,B9: 7.. / B7 = 7 => 2 pairs (_) / B9 = 7 => 0 pairs (_) F7,E9: 7.. / F7 = 7 => 0 pairs (_) / E9 = 7 => 2 pairs (_) E6,H6: 7.. / E6 = 7 => 0 pairs (_) / H6 = 7 => 2 pairs (_) B7,F7: 7.. / B7 = 7 => 2 pairs (_) / F7 = 7 => 0 pairs (_) B9,E9: 7.. / B9 = 7 => 0 pairs (_) / E9 = 7 => 2 pairs (_) F4,F7: 7.. / F4 = 7 => 2 pairs (_) / F7 = 7 => 0 pairs (_) H3,I3: 9.. / H3 = 9 => 2 pairs (_) / I3 = 9 => 1 pairs (_) * DURATION: 0:00:14.071718 START: 11:32:54.501236 END: 11:33:08.572954 2020-10-25 * CP COUNT: (20) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I1,I2: 4.. / I1 = 4 ==> 0 pairs (*) / I2 = 4 ==> 5 pairs (_) * DURATION: 0:00:26.662253 START: 11:33:08.573582 END: 11:33:35.235835 2020-10-25 * REASONING I1,I2: 4.. * PRF # I1: 4 # F7: 2,5 => SOL * STA # I1: 4 + F7: 2,5 * CNT 1 HDP CHAINS / 25 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2487968;2019_08_05_a;PAQ;25;11.40;1.50;1.50
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I1,I2: 4..:
* INC # I2: 4 # B2: 1,2 => UNS * INC # I2: 4 # A3: 1,2 => UNS * INC # I2: 4 # H1: 1,2 => UNS * INC # I2: 4 # H1: 3 => UNS * INC # I2: 4 # C4: 1,2 => UNS * INC # I2: 4 # C8: 1,2 => UNS * INC # I2: 4 # C9: 1,2 => UNS * INC # I2: 4 # E6: 4,5 => UNS * INC # I2: 4 # E9: 4,5 => UNS * INC # I2: 4 # F5: 4,5 => UNS * INC # I2: 4 # F7: 4,5 => UNS * INC # I2: 4 # E3: 1,2 => UNS * INC # I2: 4 # E3: 8 => UNS * INC # I2: 4 # B2: 1,2 => UNS * INC # I2: 4 # G2: 1,2 => UNS * INC # I2: 4 # D7: 1,2 => UNS * INC # I2: 4 # D9: 1,2 => UNS * INC # I2: 4 # H1: 1,3 => UNS * INC # I2: 4 # H1: 2 => UNS * INC # I2: 4 => UNS * INC # I1: 4 # E1: 2,5 => UNS * INC # I1: 4 # E1: 1 => UNS * INC # I1: 4 # F4: 2,5 => UNS * PRF # I1: 4 # F7: 2,5 => SOL * STA # I1: 4 + F7: 2,5 * CNT 24 HDP CHAINS / 25 HYP OPENED