Analysis of xx-ph-00000423-H72-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6....5.9..4......3...5...8..2..24........8.....1.5..2..9....1....7.....63.. initial
Autosolve
position: 98.7..6....5.9..4......3...5...8..2..24........8.....1.5..2..9....1....7.....63.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for G7,H9: 1..:
* DIS # H9: 1 # I7: 4,8 => CTR => I7: 6 * DIS # H9: 1 + I7: 6 # G8: 4,8 => CTR => G8: 2,5 * PRF # H9: 1 + I7: 6 + G8: 2,5 # A7: 4,8 => SOL * STA # H9: 1 + I7: 6 + G8: 2,5 + A7: 4,8 * CNT 3 HDP CHAINS / 11 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....5.9..4......3...5...8..2..24........8.....1.5..2..9....1....7.....63.. | initial |
| 98.7..6....5.9..4......3...5...8..2..24........8.....1.5..2..9....1....7.....63.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G7,H9: 1.. / G7 = 1 => 1 pairs (_) / H9 = 1 => 2 pairs (_) D6,F6: 2.. / D6 = 2 => 1 pairs (_) / F6 = 2 => 1 pairs (_) G8,I9: 2.. / G8 = 2 => 0 pairs (_) / I9 = 2 => 2 pairs (_) D7,E8: 3.. / D7 = 3 => 1 pairs (_) / E8 = 3 => 1 pairs (_) A3,B3: 4.. / A3 = 4 => 0 pairs (_) / B3 = 4 => 0 pairs (_) E1,F1: 4.. / E1 = 4 => 2 pairs (_) / F1 = 4 => 2 pairs (_) I7,H8: 6.. / I7 = 6 => 1 pairs (_) / H8 = 6 => 1 pairs (_) F7,E9: 7.. / F7 = 7 => 1 pairs (_) / E9 = 7 => 1 pairs (_) G3,I3: 9.. / G3 = 9 => 1 pairs (_) / I3 = 9 => 0 pairs (_) F8,D9: 9.. / F8 = 9 => 0 pairs (_) / D9 = 9 => 0 pairs (_) * DURATION: 0:00:08.048248 START: 16:08:13.647757 END: 16:08:21.696005 2020-10-18 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E1,F1: 4.. / E1 = 4 ==> 2 pairs (_) / F1 = 4 ==> 2 pairs (_) G7,H9: 1.. / G7 = 1 => 0 pairs (X) / H9 = 1 ==> 0 pairs (*) * DURATION: 0:00:22.319106 START: 16:08:21.696604 END: 16:08:44.015710 2020-10-18 * REASONING G7,H9: 1.. * DIS # H9: 1 # I7: 4,8 => CTR => I7: 6 * DIS # H9: 1 + I7: 6 # G8: 4,8 => CTR => G8: 2,5 * PRF # H9: 1 + I7: 6 + G8: 2,5 # A7: 4,8 => SOL * STA # H9: 1 + I7: 6 + G8: 2,5 + A7: 4,8 * CNT 3 HDP CHAINS / 11 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
423;H72;GP;22;11.40;11.40;2.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E1,F1: 4..:
* INC # E1: 4 # E5: 3,5 => UNS * INC # E1: 4 # E6: 3,5 => UNS * INC # E1: 4 # E5: 5,7 => UNS * INC # E1: 4 # E6: 5,7 => UNS * INC # E1: 4 => UNS * INC # F1: 4 # E3: 1,5 => UNS * INC # F1: 4 # E3: 6 => UNS * INC # F1: 4 # H1: 1,5 => UNS * INC # F1: 4 # H1: 3 => UNS * INC # F1: 4 # E5: 1,5 => UNS * INC # F1: 4 # E5: 3,6,7 => UNS * INC # F1: 4 # A7: 7,8 => UNS * INC # F1: 4 # A7: 1,3,4,6 => UNS * INC # F1: 4 => UNS * CNT 14 HDP CHAINS / 14 HYP OPENED
Full list of HDP chains traversed for G7,H9: 1..:
* INC # H9: 1 # I1: 3,5 => UNS * INC # H9: 1 # I1: 2 => UNS * INC # H9: 1 # H5: 3,5 => UNS * INC # H9: 1 # H6: 3,5 => UNS * DIS # H9: 1 # I7: 4,8 => CTR => I7: 6 * DIS # H9: 1 + I7: 6 # G8: 4,8 => CTR => G8: 2,5 * INC # H9: 1 + I7: 6 + G8: 2,5 # I9: 4,8 => UNS * INC # H9: 1 + I7: 6 + G8: 2,5 # I9: 4,8 => UNS * INC # H9: 1 + I7: 6 + G8: 2,5 # I9: 2,5 => UNS * PRF # H9: 1 + I7: 6 + G8: 2,5 # A7: 4,8 => SOL * STA # H9: 1 + I7: 6 + G8: 2,5 + A7: 4,8 * CNT 10 HDP CHAINS / 11 HYP OPENED