Analysis of xx-ph-00011498-kz0-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6.....7....7.9..5..4..3...2..96..4.......4.1...85..9......1...3.....2.4. initial
Autosolve
position: 98.7.....6.....7....7.9..5..4..3...2..96..4.......4.1...85..9......1...3.....2.4. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000009
List of important HDP chains detected for I2,I6: 9..:
* DIS # I2: 9 # D2: 1,8 => CTR => D2: 2,3,4 * DIS # I2: 9 + D2: 2,3,4 # D3: 1,8 => CTR => D3: 2,3,4 * PRF # I2: 9 + D2: 2,3,4 + D3: 2,3,4 # E7: 6,7 => SOL * STA # I2: 9 + D2: 2,3,4 + D3: 2,3,4 + E7: 6,7 * CNT 3 HDP CHAINS / 14 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....7.9..5..4..3...2..96..4.......4.1...85..9......1...3.....2.4. | initial |
| 98.7.....6.....7....7.9..5..4..3...2..96..4.......4.1...85..9......1...3.....2.4. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H5,G6: 3.. / H5 = 3 => 1 pairs (_) / G6 = 3 => 1 pairs (_) F7,D9: 3.. / F7 = 3 => 1 pairs (_) / D9 = 3 => 1 pairs (_) E7,D8: 4.. / E7 = 4 => 1 pairs (_) / D8 = 4 => 2 pairs (_) A7,E7: 4.. / A7 = 4 => 2 pairs (_) / E7 = 4 => 1 pairs (_) H2,I2: 9.. / H2 = 9 => 1 pairs (_) / I2 = 9 => 3 pairs (_) H4,I6: 9.. / H4 = 9 => 3 pairs (_) / I6 = 9 => 1 pairs (_) B8,B9: 9.. / B8 = 9 => 3 pairs (_) / B9 = 9 => 1 pairs (_) D6,I6: 9.. / D6 = 9 => 3 pairs (_) / I6 = 9 => 1 pairs (_) B9,D9: 9.. / B9 = 9 => 1 pairs (_) / D9 = 9 => 3 pairs (_) F4,F8: 9.. / F4 = 9 => 2 pairs (_) / F8 = 9 => 2 pairs (_) H2,H4: 9.. / H2 = 9 => 1 pairs (_) / H4 = 9 => 3 pairs (_) I2,I6: 9.. / I2 = 9 => 3 pairs (_) / I6 = 9 => 1 pairs (_) * DURATION: 0:00:08.113679 START: 18:27:38.286271 END: 18:27:46.399950 2020-12-01 * CP COUNT: (12) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I2,I6: 9.. / I2 = 9 ==> 0 pairs (*) / I6 = 9 => 0 pairs (X) * DURATION: 0:00:16.763499 START: 18:27:46.400639 END: 18:28:03.164138 2020-12-01 * REASONING I2,I6: 9.. * DIS # I2: 9 # D2: 1,8 => CTR => D2: 2,3,4 * DIS # I2: 9 + D2: 2,3,4 # D3: 1,8 => CTR => D3: 2,3,4 * PRF # I2: 9 + D2: 2,3,4 + D3: 2,3,4 # E7: 6,7 => SOL * STA # I2: 9 + D2: 2,3,4 + D3: 2,3,4 + E7: 6,7 * CNT 3 HDP CHAINS / 14 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
11498;kz0;GP;23;11.30;11.30;10.50
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I2,I6: 9..:
* INC # I2: 9 # F4: 1,8 => UNS * INC # I2: 9 # F5: 1,8 => UNS * INC # I2: 9 # A4: 1,8 => UNS * INC # I2: 9 # A4: 5,7 => UNS * DIS # I2: 9 # D2: 1,8 => CTR => D2: 2,3,4 * DIS # I2: 9 + D2: 2,3,4 # D3: 1,8 => CTR => D3: 2,3,4 * INC # I2: 9 + D2: 2,3,4 + D3: 2,3,4 # B6: 5,6 => UNS * INC # I2: 9 + D2: 2,3,4 + D3: 2,3,4 # C6: 5,6 => UNS * INC # I2: 9 + D2: 2,3,4 + D3: 2,3,4 # G4: 5,6 => UNS * INC # I2: 9 + D2: 2,3,4 + D3: 2,3,4 # G4: 8 => UNS * INC # I2: 9 + D2: 2,3,4 + D3: 2,3,4 # C8: 5,6 => UNS * INC # I2: 9 + D2: 2,3,4 + D3: 2,3,4 # C9: 5,6 => UNS * PRF # I2: 9 + D2: 2,3,4 + D3: 2,3,4 # E7: 6,7 => SOL * STA # I2: 9 + D2: 2,3,4 + D3: 2,3,4 + E7: 6,7 * CNT 13 HDP CHAINS / 14 HYP OPENED