Analysis of xx-ph-02319668-2019_03_16-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7.5.6..4...6..9...36....8....78..........3..7.9...73....2....96...6....1 initial
Autosolve
position: 98.7..6..7.5.6..4...6..9...36..7.8....78.6........3.6769...73....2....96...69...1 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C1,C9: 3..:
* DIS # C1: 3 # G2: 1,2 => CTR => G2: 9 * DIS # C1: 3 + G2: 9 # I4: 2,5 => CTR => I4: 4 * PRF # C1: 3 + G2: 9 + I4: 4 # F1: 2,5 => SOL * STA # C1: 3 + G2: 9 + I4: 4 + F1: 2,5 * CNT 3 HDP CHAINS / 30 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..7.5.6..4...6..9...36....8....78..........3..7.9...73....2....96...6....1 | initial |
| 98.7..6..7.5.6..4...6..9...36..7.8....78.6........3.6769...73....2....96...69...1 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H5,I5: 3.. / H5 = 3 => 0 pairs (_) / I5 = 3 => 2 pairs (_) B9,C9: 3.. / B9 = 3 => 4 pairs (_) / C9 = 3 => 1 pairs (_) D8,E8: 3.. / D8 = 3 => 1 pairs (_) / E8 = 3 => 0 pairs (_) C1,C9: 3.. / C1 = 3 => 4 pairs (_) / C9 = 3 => 1 pairs (_) G3,H3: 7.. / G3 = 7 => 2 pairs (_) / H3 = 7 => 0 pairs (_) B8,B9: 7.. / B8 = 7 => 1 pairs (_) / B9 = 7 => 1 pairs (_) B8,G8: 7.. / B8 = 7 => 1 pairs (_) / G8 = 7 => 1 pairs (_) H3,H9: 7.. / H3 = 7 => 0 pairs (_) / H9 = 7 => 2 pairs (_) F2,E3: 8.. / F2 = 8 => 0 pairs (_) / E3 = 8 => 1 pairs (_) A6,C6: 8.. / A6 = 8 => 1 pairs (_) / C6 = 8 => 2 pairs (_) F2,I2: 8.. / F2 = 8 => 0 pairs (_) / I2 = 8 => 1 pairs (_) G2,I2: 9.. / G2 = 9 => 0 pairs (_) / I2 = 9 => 1 pairs (_) C4,C6: 9.. / C4 = 9 => 0 pairs (_) / C6 = 9 => 2 pairs (_) D4,D6: 9.. / D4 = 9 => 2 pairs (_) / D6 = 9 => 0 pairs (_) G5,I5: 9.. / G5 = 9 => 1 pairs (_) / I5 = 9 => 0 pairs (_) C4,D4: 9.. / C4 = 9 => 0 pairs (_) / D4 = 9 => 2 pairs (_) C6,D6: 9.. / C6 = 9 => 2 pairs (_) / D6 = 9 => 0 pairs (_) G2,G5: 9.. / G2 = 9 => 0 pairs (_) / G5 = 9 => 1 pairs (_) I2,I5: 9.. / I2 = 9 => 1 pairs (_) / I5 = 9 => 0 pairs (_) * DURATION: 0:00:14.201539 START: 20:33:13.595444 END: 20:33:27.796983 2020-10-12 * CP COUNT: (19) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,C9: 3.. / C1 = 3 ==> 0 pairs (*) / C9 = 3 => 0 pairs (X) * DURATION: 0:00:31.028768 START: 20:33:27.797630 END: 20:33:58.826398 2020-10-12 * REASONING C1,C9: 3.. * DIS # C1: 3 # G2: 1,2 => CTR => G2: 9 * DIS # C1: 3 + G2: 9 # I4: 2,5 => CTR => I4: 4 * PRF # C1: 3 + G2: 9 + I4: 4 # F1: 2,5 => SOL * STA # C1: 3 + G2: 9 + I4: 4 + F1: 2,5 * CNT 3 HDP CHAINS / 30 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2319668;2019_03_16;PAQ;25;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,C9: 3..:
* INC # C1: 3 # A3: 1,2 => UNS * INC # C1: 3 # B3: 1,2 => UNS * INC # C1: 3 # D2: 1,2 => UNS * INC # C1: 3 # F2: 1,2 => UNS * DIS # C1: 3 # G2: 1,2 => CTR => G2: 9 * INC # C1: 3 + G2: 9 # B5: 1,2 => UNS * INC # C1: 3 + G2: 9 # B6: 1,2 => UNS * INC # C1: 3 + G2: 9 # A3: 1,2 => UNS * INC # C1: 3 + G2: 9 # B3: 1,2 => UNS * INC # C1: 3 + G2: 9 # D2: 1,2 => UNS * INC # C1: 3 + G2: 9 # F2: 1,2 => UNS * INC # C1: 3 + G2: 9 # B5: 1,2 => UNS * INC # C1: 3 + G2: 9 # B6: 1,2 => UNS * INC # C1: 3 + G2: 9 # H1: 2,5 => UNS * INC # C1: 3 + G2: 9 # G3: 2,5 => UNS * INC # C1: 3 + G2: 9 # H3: 2,5 => UNS * INC # C1: 3 + G2: 9 # I3: 2,5 => UNS * INC # C1: 3 + G2: 9 # E1: 2,5 => UNS * INC # C1: 3 + G2: 9 # F1: 2,5 => UNS * DIS # C1: 3 + G2: 9 # I4: 2,5 => CTR => I4: 4 * INC # C1: 3 + G2: 9 + I4: 4 # I7: 2,5 => UNS * INC # C1: 3 + G2: 9 + I4: 4 # I7: 2,5 => UNS * INC # C1: 3 + G2: 9 + I4: 4 # I7: 8 => UNS * INC # C1: 3 + G2: 9 + I4: 4 # H1: 2,5 => UNS * INC # C1: 3 + G2: 9 + I4: 4 # G3: 2,5 => UNS * INC # C1: 3 + G2: 9 + I4: 4 # H3: 2,5 => UNS * INC # C1: 3 + G2: 9 + I4: 4 # I3: 2,5 => UNS * INC # C1: 3 + G2: 9 + I4: 4 # E1: 2,5 => UNS * PRF # C1: 3 + G2: 9 + I4: 4 # F1: 2,5 => SOL * STA # C1: 3 + G2: 9 + I4: 4 + F1: 2,5 * CNT 29 HDP CHAINS / 30 HYP OPENED