Analysis of xx-ph-02317780-2019_03_16-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7.5.6..4...6..9...69...73....2....9.........13.....8....78.6........3.67 initial
Autosolve
position: 98.7..6..7.5.6..4...6..9...69...73....2....96...69...136..7.8....78.6........3.67 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for C1,C6: 3..:
* DIS # C1: 3 # G2: 1,2 => CTR => G2: 9 * DIS # C1: 3 + G2: 9 # I7: 2,5 => CTR => I7: 4 * PRF # C1: 3 + G2: 9 + I7: 4 # F1: 2,5 => SOL * STA # C1: 3 + G2: 9 + I7: 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...69...73....2....9.........13.....8....78.6........3.67 | initial |
| 98.7..6..7.5.6..4...6..9...69...73....2....96...69...136..7.8....78.6........3.67 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) B6,C6: 3.. / B6 = 3 => 4 pairs (_) / C6 = 3 => 1 pairs (_) D5,E5: 3.. / D5 = 3 => 1 pairs (_) / E5 = 3 => 0 pairs (_) H8,I8: 3.. / H8 = 3 => 0 pairs (_) / I8 = 3 => 2 pairs (_) C1,C6: 3.. / C1 = 3 => 4 pairs (_) / C6 = 3 => 1 pairs (_) G3,H3: 7.. / G3 = 7 => 2 pairs (_) / H3 = 7 => 0 pairs (_) B5,B6: 7.. / B5 = 7 => 1 pairs (_) / B6 = 7 => 1 pairs (_) B5,G5: 7.. / B5 = 7 => 1 pairs (_) / G5 = 7 => 1 pairs (_) H3,H6: 7.. / H3 = 7 => 0 pairs (_) / H6 = 7 => 2 pairs (_) F2,E3: 8.. / F2 = 8 => 0 pairs (_) / E3 = 8 => 1 pairs (_) A9,C9: 8.. / A9 = 8 => 1 pairs (_) / C9 = 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 (_) C7,C9: 9.. / C7 = 9 => 0 pairs (_) / C9 = 9 => 2 pairs (_) D7,D9: 9.. / D7 = 9 => 2 pairs (_) / D9 = 9 => 0 pairs (_) G8,I8: 9.. / G8 = 9 => 1 pairs (_) / I8 = 9 => 0 pairs (_) C7,D7: 9.. / C7 = 9 => 0 pairs (_) / D7 = 9 => 2 pairs (_) C9,D9: 9.. / C9 = 9 => 2 pairs (_) / D9 = 9 => 0 pairs (_) G2,G8: 9.. / G2 = 9 => 0 pairs (_) / G8 = 9 => 1 pairs (_) I2,I8: 9.. / I2 = 9 => 1 pairs (_) / I8 = 9 => 0 pairs (_) * DURATION: 0:00:14.867641 START: 00:08:20.788799 END: 00:08:35.656440 2020-10-12 * CP COUNT: (19) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,C6: 3.. / C1 = 3 ==> 0 pairs (*) / C6 = 3 => 0 pairs (X) * DURATION: 0:00:33.510581 START: 00:08:35.657307 END: 00:09:09.167888 2020-10-12 * REASONING C1,C6: 3.. * DIS # C1: 3 # G2: 1,2 => CTR => G2: 9 * DIS # C1: 3 + G2: 9 # I7: 2,5 => CTR => I7: 4 * PRF # C1: 3 + G2: 9 + I7: 4 # F1: 2,5 => SOL * STA # C1: 3 + G2: 9 + I7: 4 + F1: 2,5 * CNT 3 HDP CHAINS / 30 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2317780;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,C6: 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 # B8: 1,2 => UNS * INC # C1: 3 + G2: 9 # B9: 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 # B8: 1,2 => UNS * INC # C1: 3 + G2: 9 # B9: 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 * INC # C1: 3 + G2: 9 # I4: 2,5 => UNS * DIS # C1: 3 + G2: 9 # I7: 2,5 => CTR => I7: 4 * INC # C1: 3 + G2: 9 + I7: 4 # I4: 2,5 => UNS * INC # C1: 3 + G2: 9 + I7: 4 # I4: 8 => UNS * INC # C1: 3 + G2: 9 + I7: 4 # H1: 2,5 => UNS * INC # C1: 3 + G2: 9 + I7: 4 # G3: 2,5 => UNS * INC # C1: 3 + G2: 9 + I7: 4 # H3: 2,5 => UNS * INC # C1: 3 + G2: 9 + I7: 4 # I3: 2,5 => UNS * INC # C1: 3 + G2: 9 + I7: 4 # E1: 2,5 => UNS * PRF # C1: 3 + G2: 9 + I7: 4 # F1: 2,5 => SOL * STA # C1: 3 + G2: 9 + I7: 4 + F1: 2,5 * CNT 29 HDP CHAINS / 30 HYP OPENED