Analysis of xx-ph-00032575-2012_03_13-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..5..........4.9..8.4...7..9...73....2.....17.6.4..5..6....6..3.......2..1 initial
Autosolve
position: 98.7..6..5..........4.9..8.4...7..9...73....2.....17.6.4..5..6....6..3.......2..1 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for I4,H6: 3..:
* DIS # I4: 3 # H5: 4,5 => CTR => H5: 1 * DIS # I4: 3 + H5: 1 # F5: 6,8 => CTR => F5: 4,5,9 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 # C4: 5,8 => CTR => C4: 1,2,6 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 # D4: 5,8 => CTR => D4: 2 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 # F4: 6 => CTR => F4: 5,8 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 # H8: 4,5 => CTR => H8: 2,7 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 # H9: 4,5 => CTR => H9: 7 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 # H1: 3 => CTR => H1: 4,5 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 + H1: 4,5 # D6: 4,8 => CTR => D6: 9 * PRF # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 + H1: 4,5 + D6: 9 => SOL * STA I4: 3 * CNT 10 HDP CHAINS / 57 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..........4.9..8.4...7..9...73....2.....17.6.4..5..6....6..3.......2..1 | initial |
| 98.7..6..5..........4.9..8.4...7..9...73....2.....17.6.4..5..6....6..3.......2..1 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D7,E8: 1.. / D7 = 1 => 2 pairs (_) / E8 = 1 => 1 pairs (_) G7,H8: 2.. / G7 = 2 => 1 pairs (_) / H8 = 2 => 1 pairs (_) I4,H6: 3.. / I4 = 3 => 4 pairs (_) / H6 = 3 => 3 pairs (_) F7,E9: 3.. / F7 = 3 => 3 pairs (_) / E9 = 3 => 0 pairs (_) E2,E5: 6.. / E2 = 6 => 2 pairs (_) / E5 = 6 => 2 pairs (_) F7,F8: 7.. / F7 = 7 => 1 pairs (_) / F8 = 7 => 0 pairs (_) G2,I2: 9.. / G2 = 9 => 1 pairs (_) / I2 = 9 => 1 pairs (_) F5,D6: 9.. / F5 = 9 => 0 pairs (_) / D6 = 9 => 4 pairs (_) B5,F5: 9.. / B5 = 9 => 4 pairs (_) / F5 = 9 => 0 pairs (_) * DURATION: 0:00:05.312708 START: 17:08:41.483594 END: 17:08:46.796302 2020-12-11 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I4,H6: 3.. / I4 = 3 ==> 0 pairs (*) / H6 = 3 => 0 pairs (X) * DURATION: 0:00:33.336110 START: 17:08:46.796839 END: 17:09:20.132949 2020-12-11 * REASONING I4,H6: 3.. * DIS # I4: 3 # H5: 4,5 => CTR => H5: 1 * DIS # I4: 3 + H5: 1 # F5: 6,8 => CTR => F5: 4,5,9 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 # C4: 5,8 => CTR => C4: 1,2,6 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 # D4: 5,8 => CTR => D4: 2 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 # F4: 6 => CTR => F4: 5,8 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 # H8: 4,5 => CTR => H8: 2,7 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 # H9: 4,5 => CTR => H9: 7 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 # H1: 3 => CTR => H1: 4,5 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 + H1: 4,5 # D6: 4,8 => CTR => D6: 9 * PRF # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 + H1: 4,5 + D6: 9 => SOL * STA I4: 3 * CNT 10 HDP CHAINS / 57 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
32575;2012_03_13;GP;24;11.30;11.30;10.70
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I4,H6: 3..:
* INC # I4: 3 # H1: 4,5 => UNS * INC # I4: 3 # H1: 1,2,3 => UNS * INC # I4: 3 # F1: 4,5 => UNS * INC # I4: 3 # F1: 3 => UNS * INC # I4: 3 # I8: 4,5 => UNS * INC # I4: 3 # I8: 7,8,9 => UNS * INC # I4: 3 # I8: 5,7 => UNS * INC # I4: 3 # I8: 4,8,9 => UNS * INC # I4: 3 # G5: 4,5 => UNS * DIS # I4: 3 # H5: 4,5 => CTR => H5: 1 * INC # I4: 3 + H5: 1 # G5: 4,5 => UNS * INC # I4: 3 + H5: 1 # G5: 8 => UNS * INC # I4: 3 + H5: 1 # D6: 4,5 => UNS * INC # I4: 3 + H5: 1 # D6: 2,8,9 => UNS * INC # I4: 3 + H5: 1 # H1: 4,5 => UNS * INC # I4: 3 + H5: 1 # H8: 4,5 => UNS * INC # I4: 3 + H5: 1 # H9: 4,5 => UNS * INC # I4: 3 + H5: 1 # C7: 2,9 => UNS * INC # I4: 3 + H5: 1 # C7: 1,3,8 => UNS * INC # I4: 3 + H5: 1 # G2: 2,9 => UNS * INC # I4: 3 + H5: 1 # G2: 1,4 => UNS * INC # I4: 3 + H5: 1 # H1: 4,5 => UNS * INC # I4: 3 + H5: 1 # H1: 2,3 => UNS * INC # I4: 3 + H5: 1 # F1: 4,5 => UNS * INC # I4: 3 + H5: 1 # F1: 3 => UNS * INC # I4: 3 + H5: 1 # I8: 4,5 => UNS * INC # I4: 3 + H5: 1 # I8: 7,8,9 => UNS * INC # I4: 3 + H5: 1 # I8: 5,7 => UNS * INC # I4: 3 + H5: 1 # I8: 4,8,9 => UNS * INC # I4: 3 + H5: 1 # C4: 6,8 => UNS * INC # I4: 3 + H5: 1 # C4: 1,2,5 => UNS * INC # I4: 3 + H5: 1 # E5: 6,8 => UNS * DIS # I4: 3 + H5: 1 # F5: 6,8 => CTR => F5: 4,5,9 * INC # I4: 3 + H5: 1 + F5: 4,5,9 # E5: 6,8 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # E5: 4 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # A9: 6,8 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # A9: 3,7 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # C4: 6,8 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # C4: 1,2,5 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # E5: 6,8 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # E5: 4 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # A9: 6,8 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # A9: 3,7 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # G5: 5,8 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 # G5: 4 => UNS * DIS # I4: 3 + H5: 1 + F5: 4,5,9 # C4: 5,8 => CTR => C4: 1,2,6 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 # D4: 5,8 => CTR => D4: 2 * INC # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 # F4: 5,8 => UNS * INC # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 # F4: 5,8 => UNS * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 # F4: 6 => CTR => F4: 5,8 * INC # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 # H1: 4,5 => UNS * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 # H8: 4,5 => CTR => H8: 2,7 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 # H9: 4,5 => CTR => H9: 7 * INC # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 # H1: 4,5 => UNS * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 # H1: 3 => CTR => H1: 4,5 * DIS # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 + H1: 4,5 # D6: 4,8 => CTR => D6: 9 * PRF # I4: 3 + H5: 1 + F5: 4,5,9 + C4: 1,2,6 + D4: 2 + F4: 5,8 + H8: 2,7 + H9: 7 + H1: 4,5 + D6: 9 => SOL * STA I4: 3 * CNT 57 HDP CHAINS / 57 HYP OPENED