Analysis of xx-ph-02488192-2019_08_05_a-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7..9..5......84...6..5.39....2..........7..3.1......69.6.1....5..7...1.. initial
Autosolve
position: 98.7..6..7..9..5......84.9.6..5.39....2....5.....7..3.1......69.6.1....5..7...1.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for H4,H8: 7..:
* DIS # H4: 7 # C2: 3,4 => CTR => C2: 6 * DIS # H4: 7 + C2: 6 # B2: 2 => CTR => B2: 3,4 * PRF # H4: 7 + C2: 6 + B2: 3,4 # B6: 1,4 => SOL * STA # H4: 7 + C2: 6 + B2: 3,4 + B6: 1,4 * CNT 3 HDP CHAINS / 6 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..9..5......84...6..5.39....2..........7..3.1......69.6.1....5..7...1.. | initial |
| 98.7..6..7..9..5......84.9.6..5.39....2....5.....7..3.1......69.6.1....5..7...1.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A5,B5: 3.. / A5 = 3 => 1 pairs (_) / B5 = 3 => 1 pairs (_) E1,F1: 5.. / E1 = 5 => 1 pairs (_) / F1 = 5 => 0 pairs (_) C2,C3: 6.. / C2 = 6 => 2 pairs (_) / C3 = 6 => 1 pairs (_) I5,I6: 6.. / I5 = 6 => 1 pairs (_) / I6 = 6 => 0 pairs (_) C3,D3: 6.. / C3 = 6 => 1 pairs (_) / D3 = 6 => 2 pairs (_) G3,I3: 7.. / G3 = 7 => 1 pairs (_) / I3 = 7 => 2 pairs (_) B4,B5: 7.. / B4 = 7 => 0 pairs (_) / B5 = 7 => 3 pairs (_) F7,F8: 7.. / F7 = 7 => 0 pairs (_) / F8 = 7 => 5 pairs (_) F7,G7: 7.. / F7 = 7 => 0 pairs (_) / G7 = 7 => 5 pairs (_) H4,H8: 7.. / H4 = 7 => 5 pairs (_) / H8 = 7 => 0 pairs (_) H2,I2: 8.. / H2 = 8 => 1 pairs (_) / I2 = 8 => 0 pairs (_) C8,B9: 9.. / C8 = 9 => 0 pairs (_) / B9 = 9 => 0 pairs (_) C6,C8: 9.. / C6 = 9 => 0 pairs (_) / C8 = 9 => 0 pairs (_) * DURATION: 0:00:09.425315 START: 02:50:48.954085 END: 02:50:58.379400 2020-11-16 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) H4,H8: 7.. / H4 = 7 ==> 0 pairs (*) / H8 = 7 => 0 pairs (X) * DURATION: 0:00:14.788873 START: 02:50:58.380028 END: 02:51:13.168901 2020-11-16 * REASONING H4,H8: 7.. * DIS # H4: 7 # C2: 3,4 => CTR => C2: 6 * DIS # H4: 7 + C2: 6 # B2: 2 => CTR => B2: 3,4 * PRF # H4: 7 + C2: 6 + B2: 3,4 # B6: 1,4 => SOL * STA # H4: 7 + C2: 6 + B2: 3,4 + B6: 1,4 * CNT 3 HDP CHAINS / 6 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2488192;2019_08_05_a;PAQ;24;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for H4,H8: 7..:
* INC # H4: 7 # B2: 3,4 => UNS * DIS # H4: 7 # C2: 3,4 => CTR => C2: 6 * INC # H4: 7 + C2: 6 # B2: 3,4 => UNS * DIS # H4: 7 + C2: 6 # B2: 2 => CTR => B2: 3,4 * PRF # H4: 7 + C2: 6 + B2: 3,4 # B6: 1,4 => SOL * STA # H4: 7 + C2: 6 + B2: 3,4 + B6: 1,4 * CNT 5 HDP CHAINS / 6 HYP OPENED