Analysis of xx-ph-00032579-2012_03_13-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..5...4......3..8.7.3....9.5...72..9.......4..1.3...7.8....4....6....1.2.. initial
Autosolve
position: 98.7..6..57..4......3..8.7.3....9.5...72..9.......4..1.3...7.8....4....6....1.2.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for I4,I9: 7..:
* PRF # I4: 7 # I5: 4 => SOL * STA # I4: 7 + I5: 4 * CNT 1 HDP CHAINS / 15 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......3..8.7.3....9.5...72..9.......4..1.3...7.8....4....6....1.2.. | initial |
| 98.7..6..57..4......3..8.7.3....9.5...72..9.......4..1.3...7.8....4....6....1.2.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D4,F5: 1.. / D4 = 1 => 0 pairs (_) / F5 = 1 => 1 pairs (_) I4,H6: 2.. / I4 = 2 => 1 pairs (_) / H6 = 2 => 1 pairs (_) H5,H6: 6.. / H5 = 6 => 1 pairs (_) / H6 = 6 => 2 pairs (_) E4,E6: 7.. / E4 = 7 => 1 pairs (_) / E6 = 7 => 2 pairs (_) A8,A9: 7.. / A8 = 7 => 0 pairs (_) / A9 = 7 => 4 pairs (_) G8,I9: 7.. / G8 = 7 => 4 pairs (_) / I9 = 7 => 0 pairs (_) E6,G6: 7.. / E6 = 7 => 2 pairs (_) / G6 = 7 => 1 pairs (_) A8,G8: 7.. / A8 = 7 => 0 pairs (_) / G8 = 7 => 4 pairs (_) A9,I9: 7.. / A9 = 7 => 4 pairs (_) / I9 = 7 => 0 pairs (_) I4,I9: 7.. / I4 = 7 => 4 pairs (_) / I9 = 7 => 0 pairs (_) G2,I2: 8.. / G2 = 8 => 2 pairs (_) / I2 = 8 => 2 pairs (_) E8,D9: 8.. / E8 = 8 => 1 pairs (_) / D9 = 8 => 1 pairs (_) B6,C6: 9.. / B6 = 9 => 0 pairs (_) / C6 = 9 => 0 pairs (_) * DURATION: 0:00:07.971659 START: 17:29:50.065897 END: 17:29:58.037556 2020-12-11 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I4,I9: 7.. / I4 = 7 ==> 0 pairs (*) / I9 = 7 => 0 pairs (X) * DURATION: 0:00:15.235725 START: 17:29:58.038092 END: 17:30:13.273817 2020-12-11 * REASONING I4,I9: 7.. * PRF # I4: 7 # I5: 4 => SOL * STA # I4: 7 + I5: 4 * CNT 1 HDP CHAINS / 15 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
32579;2012_03_13;GP;24;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I4,I9: 7..:
* INC # I4: 7 # C4: 6,8 => UNS * INC # I4: 7 # C6: 6,8 => UNS * INC # I4: 7 # D6: 6,8 => UNS * INC # I4: 7 # D6: 3,5 => UNS * INC # I4: 7 # D4: 6,8 => UNS * INC # I4: 7 # D6: 6,8 => UNS * INC # I4: 7 # C4: 6,8 => UNS * INC # I4: 7 # C4: 1,2,4 => UNS * INC # I4: 7 # I5: 4,8 => UNS * INC # I4: 7 # I5: 3 => UNS * INC # I4: 7 # C4: 4,8 => UNS * INC # I4: 7 # C4: 1,2,6 => UNS * INC # I4: 7 # I5: 3,8 => UNS * PRF # I4: 7 # I5: 4 => SOL * STA # I4: 7 + I5: 4 * CNT 14 HDP CHAINS / 15 HYP OPENED