Analysis of xx-ph-01055492-13_07-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7.....6.......8.9.4..3......92..6.......9..1.3......59.7.5......4..3.7.. initial
Autosolve
position: 98.76.5..7.....6.......8.974..3..9...92..6.......9..1.3......59.7.5......4..3.7.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for D2,D9: 9..:
* DIS # D9: 9 # C2: 1,4 => CTR => C2: 3,5 * DIS # D9: 9 + C2: 3,5 # C3: 1,4 => CTR => C3: 3,5,6 * DIS # D9: 9 + C2: 3,5 + C3: 3,5,6 # A8: 1,2 => CTR => A8: 6,8 * DIS # D9: 9 + C2: 3,5 + C3: 3,5,6 + A8: 6,8 # A9: 1,2 => CTR => A9: 5,6,8 * DIS # D9: 9 + C2: 3,5 + C3: 3,5,6 + A8: 6,8 + A9: 5,6,8 # C9: 1,8 => CTR => C9: 5,6 * PRF # D9: 9 + C2: 3,5 + C3: 3,5,6 + A8: 6,8 + A9: 5,6,8 + C9: 5,6 => SOL * STA D9: 9 * CNT 6 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
| 98.76.5..7.....6.......8.9.4..3......92..6.......9..1.3......59.7.5......4..3.7.. | initial |
| 98.76.5..7.....6.......8.974..3..9...92..6.......9..1.3......59.7.5......4..3.7.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) F1,F2: 3.. / F1 = 3 => 2 pairs (_) / F2 = 3 => 0 pairs (_) B6,C6: 3.. / B6 = 3 => 0 pairs (_) / C6 = 3 => 2 pairs (_) A9,C9: 5.. / A9 = 5 => 2 pairs (_) / C9 = 5 => 0 pairs (_) D7,D9: 6.. / D7 = 6 => 2 pairs (_) / D9 = 6 => 1 pairs (_) C4,C6: 7.. / C4 = 7 => 0 pairs (_) / C6 = 7 => 0 pairs (_) H4,H5: 7.. / H4 = 7 => 0 pairs (_) / H5 = 7 => 0 pairs (_) E7,F7: 7.. / E7 = 7 => 0 pairs (_) / F7 = 7 => 0 pairs (_) E5,H5: 7.. / E5 = 7 => 0 pairs (_) / H5 = 7 => 0 pairs (_) C6,F6: 7.. / C6 = 7 => 0 pairs (_) / F6 = 7 => 0 pairs (_) H2,I2: 8.. / H2 = 8 => 1 pairs (_) / I2 = 8 => 0 pairs (_) D2,F2: 9.. / D2 = 9 => 0 pairs (_) / F2 = 9 => 5 pairs (_) C8,C9: 9.. / C8 = 9 => 0 pairs (_) / C9 = 9 => 3 pairs (_) C8,F8: 9.. / C8 = 9 => 0 pairs (_) / F8 = 9 => 3 pairs (_) D2,D9: 9.. / D2 = 9 => 0 pairs (_) / D9 = 9 => 5 pairs (_) * DURATION: 0:00:09.927617 START: 20:38:47.612129 END: 20:38:57.539746 2021-01-12 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D2,D9: 9.. / D2 = 9 => 0 pairs (X) / D9 = 9 ==> 0 pairs (*) * DURATION: 0:00:15.888414 START: 20:38:57.540287 END: 20:39:13.428701 2021-01-12 * REASONING D2,D9: 9.. * DIS # D9: 9 # C2: 1,4 => CTR => C2: 3,5 * DIS # D9: 9 + C2: 3,5 # C3: 1,4 => CTR => C3: 3,5,6 * DIS # D9: 9 + C2: 3,5 + C3: 3,5,6 # A8: 1,2 => CTR => A8: 6,8 * DIS # D9: 9 + C2: 3,5 + C3: 3,5,6 + A8: 6,8 # A9: 1,2 => CTR => A9: 5,6,8 * DIS # D9: 9 + C2: 3,5 + C3: 3,5,6 + A8: 6,8 + A9: 5,6,8 # C9: 1,8 => CTR => C9: 5,6 * PRF # D9: 9 + C2: 3,5 + C3: 3,5,6 + A8: 6,8 + A9: 5,6,8 + C9: 5,6 => SOL * STA D9: 9 * CNT 6 HDP CHAINS / 6 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1055492;13_07;GP;24;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D2,D9: 9..:
* DIS # D9: 9 # C2: 1,4 => CTR => C2: 3,5 * DIS # D9: 9 + C2: 3,5 # C3: 1,4 => CTR => C3: 3,5,6 * DIS # D9: 9 + C2: 3,5 + C3: 3,5,6 # A8: 1,2 => CTR => A8: 6,8 * DIS # D9: 9 + C2: 3,5 + C3: 3,5,6 + A8: 6,8 # A9: 1,2 => CTR => A9: 5,6,8 * DIS # D9: 9 + C2: 3,5 + C3: 3,5,6 + A8: 6,8 + A9: 5,6,8 # C9: 1,8 => CTR => C9: 5,6 * PRF # D9: 9 + C2: 3,5 + C3: 3,5,6 + A8: 6,8 + A9: 5,6,8 + C9: 5,6 => SOL * STA D9: 9 * CNT 6 HDP CHAINS / 6 HYP OPENED