Analysis of xx-ph-00975683-13_03-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..75.....8...6.....75...4......89...5.......3..2.98...7..1......2..56...9. initial
Autosolve
position: 98.7..6..75.....8...6.....75...4......89...5.......3..2.98...7..1......2..56...9. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for I1,I7: 5..:
* PRF # I7: 5 # B6: 4,7 => SOL * STA # I7: 5 + B6: 4,7 * CNT 1 HDP CHAINS / 35 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..75.....8...6.....75...4......89...5.......3..2.98...7..1......2..56...9. | initial |
| 98.7..6..75.....8...6.....75...4......89...5.......3..2.98...7..1......2..56...9. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E9,F9: 2.. / E9 = 2 => 0 pairs (_) / F9 = 2 => 0 pairs (_) I1,G3: 5.. / I1 = 5 => 0 pairs (_) / G3 = 5 => 14 pairs (_) I1,I7: 5.. / I1 = 5 => 0 pairs (_) / I7 = 5 => 14 pairs (_) E2,F2: 6.. / E2 = 6 => 0 pairs (_) / F2 = 6 => 0 pairs (_) B7,A8: 6.. / B7 = 6 => 1 pairs (_) / A8 = 6 => 6 pairs (_) I7,H8: 6.. / I7 = 6 => 6 pairs (_) / H8 = 6 => 1 pairs (_) B7,I7: 6.. / B7 = 6 => 1 pairs (_) / I7 = 6 => 6 pairs (_) A8,H8: 6.. / A8 = 6 => 6 pairs (_) / H8 = 6 => 1 pairs (_) G4,G5: 7.. / G4 = 7 => 2 pairs (_) / G5 = 7 => 0 pairs (_) C8,B9: 7.. / C8 = 7 => 4 pairs (_) / B9 = 7 => 3 pairs (_) E3,F3: 8.. / E3 = 8 => 0 pairs (_) / F3 = 8 => 0 pairs (_) A8,A9: 8.. / A8 = 8 => 3 pairs (_) / A9 = 8 => 2 pairs (_) A8,G8: 8.. / A8 = 8 => 3 pairs (_) / G8 = 8 => 2 pairs (_) E3,E6: 8.. / E3 = 8 => 0 pairs (_) / E6 = 8 => 0 pairs (_) B4,B6: 9.. / B4 = 9 => 0 pairs (_) / B6 = 9 => 0 pairs (_) E8,F8: 9.. / E8 = 9 => 0 pairs (_) / F8 = 9 => 0 pairs (_) B6,I6: 9.. / B6 = 9 => 0 pairs (_) / I6 = 9 => 0 pairs (_) * DURATION: 0:00:11.847826 START: 19:37:39.016696 END: 19:37:50.864522 2021-01-05 * CP COUNT: (17) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I1,I7: 5.. / I1 = 5 => 0 pairs (X) / I7 = 5 ==> 0 pairs (*) * DURATION: 0:00:35.311673 START: 19:37:50.865281 END: 19:38:26.176954 2021-01-05 * REASONING I1,I7: 5.. * PRF # I7: 5 # B6: 4,7 => SOL * STA # I7: 5 + B6: 4,7 * CNT 1 HDP CHAINS / 35 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
975683;13_03;GP;24;11.30;11.30;8.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I1,I7: 5..:
* INC # I7: 5 # H1: 1,4 => UNS * INC # I7: 5 # I2: 1,4 => UNS * INC # I7: 5 # H3: 1,4 => UNS * INC # I7: 5 # C1: 1,4 => UNS * INC # I7: 5 # F1: 1,4 => UNS * INC # I7: 5 # I5: 1,4 => UNS * INC # I7: 5 # I6: 1,4 => UNS * INC # I7: 5 # G4: 2,9 => UNS * INC # I7: 5 # G4: 7 => UNS * INC # I7: 5 # E6: 6,8 => UNS * INC # I7: 5 # F6: 6,8 => UNS * INC # I7: 5 # H6: 1,2 => UNS * INC # I7: 5 # H6: 4 => UNS * INC # I7: 5 # C4: 1,2 => UNS * INC # I7: 5 # D4: 1,2 => UNS * INC # I7: 5 # H1: 1,2 => UNS * INC # I7: 5 # H3: 1,2 => UNS * INC # I7: 5 # I6: 6,8 => UNS * INC # I7: 5 # I6: 1,4,9 => UNS * INC # I7: 5 # G4: 2,7 => UNS * INC # I7: 5 # G4: 9 => UNS * INC # I7: 5 # B5: 2,7 => UNS * INC # I7: 5 # E5: 2,7 => UNS * INC # I7: 5 # F5: 2,7 => UNS * INC # I7: 5 # A8: 4,8 => UNS * INC # I7: 5 # A8: 3 => UNS * INC # I7: 5 # G9: 4,8 => UNS * INC # I7: 5 # G9: 1 => UNS * INC # I7: 5 # C8: 4,7 => UNS * INC # I7: 5 # C8: 3 => UNS * INC # I7: 5 # F9: 4,7 => UNS * INC # I7: 5 # F9: 1,2 => UNS * INC # I7: 5 # B5: 4,7 => UNS * PRF # I7: 5 # B6: 4,7 => SOL * STA # I7: 5 + B6: 4,7 * CNT 34 HDP CHAINS / 35 HYP OPENED