Analysis of xx-ph-00011041-22ky5-base.sdk
Contents
Original Sudoku
level: deep
position: 9876.....5.....8.........6.7...4...3.9.7..6....2..1....7.8..5......3...1.....2.4. initial
Autosolve
position: 9876.....5.....8.........6.7...4...3.9.7..6....2..1....7.8..5......3...1.....2.4. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for H8,I9: 8..:
* DIS # I9: 8 # E3: 1,9 => CTR => E3: 2,5,7,8 * PRF # I9: 8 + E3: 2,5,7,8 # F3: 4,9 => SOL * STA # I9: 8 + E3: 2,5,7,8 + F3: 4,9 * CNT 2 HDP CHAINS / 27 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
| 9876.....5.....8.........6.7...4...3.9.7..6....2..1....7.8..5......3...1.....2.4. | initial |
| 9876.....5.....8.........6.7...4...3.9.7..6....2..1....7.8..5......3...1.....2.4. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D4,E5: 2.. / D4 = 2 => 2 pairs (_) / E5 = 2 => 2 pairs (_) F5,D6: 3.. / F5 = 3 => 2 pairs (_) / D6 = 3 => 1 pairs (_) H7,G9: 3.. / H7 = 3 => 1 pairs (_) / G9 = 3 => 1 pairs (_) B2,C2: 6.. / B2 = 6 => 1 pairs (_) / C2 = 6 => 0 pairs (_) F4,E6: 6.. / F4 = 6 => 2 pairs (_) / E6 = 6 => 1 pairs (_) I7,I9: 6.. / I7 = 6 => 6 pairs (_) / I9 = 6 => 2 pairs (_) F8,E9: 7.. / F8 = 7 => 1 pairs (_) / E9 = 7 => 1 pairs (_) E3,F3: 8.. / E3 = 8 => 1 pairs (_) / F3 = 8 => 1 pairs (_) H8,I9: 8.. / H8 = 8 => 0 pairs (_) / I9 = 8 => 6 pairs (_) * DURATION: 0:00:05.101977 START: 13:15:11.445838 END: 13:15:16.547815 2020-12-01 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I7,I9: 6.. / I7 = 6 ==> 6 pairs (_) / I9 = 6 ==> 2 pairs (_) H8,I9: 8.. / H8 = 8 => 0 pairs (X) / I9 = 8 ==> 0 pairs (*) * DURATION: 0:00:29.172556 START: 13:15:16.548321 END: 13:15:45.720877 2020-12-01 * REASONING H8,I9: 8.. * DIS # I9: 8 # E3: 1,9 => CTR => E3: 2,5,7,8 * PRF # I9: 8 + E3: 2,5,7,8 # F3: 4,9 => SOL * STA # I9: 8 + E3: 2,5,7,8 + F3: 4,9 * CNT 2 HDP CHAINS / 27 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
11041;22ky5;GP;22;11.30;11.30;7.80
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I7,I9: 6..:
* INC # I7: 6 # G4: 2,9 => UNS * INC # I7: 6 # H4: 2,9 => UNS * INC # I7: 6 # D2: 2,9 => UNS * INC # I7: 6 # D3: 2,9 => UNS * INC # I7: 6 # D2: 3,9 => UNS * INC # I7: 6 # D3: 3,9 => UNS * INC # I7: 6 # D9: 1,9 => UNS * INC # I7: 6 # D9: 5 => UNS * INC # I7: 6 # C7: 1,9 => UNS * INC # I7: 6 # C7: 3,4 => UNS * INC # I7: 6 # E2: 1,9 => UNS * INC # I7: 6 # E3: 1,9 => UNS * INC # I7: 6 # D8: 4,9 => UNS * INC # I7: 6 # D8: 5 => UNS * INC # I7: 6 # C7: 4,9 => UNS * INC # I7: 6 # C7: 1,3 => UNS * INC # I7: 6 # F2: 4,9 => UNS * INC # I7: 6 # F3: 4,9 => UNS * INC # I7: 6 => UNS * INC # I9: 6 # I6: 4,9 => UNS * INC # I9: 6 # I6: 5,7,8 => UNS * INC # I9: 6 # G3: 4,9 => UNS * INC # I9: 6 # G3: 1,2,3 => UNS * INC # I9: 6 # H7: 2,9 => UNS * INC # I9: 6 # G8: 2,9 => UNS * INC # I9: 6 # I2: 2,9 => UNS * INC # I9: 6 # I3: 2,9 => UNS * INC # I9: 6 => UNS * CNT 28 HDP CHAINS / 28 HYP OPENED
Full list of HDP chains traversed for H8,I9: 8..:
* INC # I9: 8 # G4: 2,9 => UNS * INC # I9: 8 # H4: 2,9 => UNS * INC # I9: 8 # D2: 2,9 => UNS * INC # I9: 8 # D3: 2,9 => UNS * INC # I9: 8 # D2: 3,9 => UNS * INC # I9: 8 # D3: 3,9 => UNS * INC # I9: 8 # D9: 1,9 => UNS * INC # I9: 8 # D9: 5 => UNS * INC # I9: 8 # C7: 1,9 => UNS * INC # I9: 8 # C7: 3,4 => UNS * INC # I9: 8 # E2: 1,9 => UNS * DIS # I9: 8 # E3: 1,9 => CTR => E3: 2,5,7,8 * INC # I9: 8 + E3: 2,5,7,8 # E2: 1,9 => UNS * INC # I9: 8 + E3: 2,5,7,8 # E2: 2,7 => UNS * INC # I9: 8 + E3: 2,5,7,8 # D9: 1,9 => UNS * INC # I9: 8 + E3: 2,5,7,8 # D9: 5 => UNS * INC # I9: 8 + E3: 2,5,7,8 # C7: 1,9 => UNS * INC # I9: 8 + E3: 2,5,7,8 # C7: 3,4 => UNS * INC # I9: 8 + E3: 2,5,7,8 # E2: 1,9 => UNS * INC # I9: 8 + E3: 2,5,7,8 # E2: 2,7 => UNS * INC # I9: 8 + E3: 2,5,7,8 # D8: 4,9 => UNS * INC # I9: 8 + E3: 2,5,7,8 # D8: 5 => UNS * INC # I9: 8 + E3: 2,5,7,8 # C7: 4,9 => UNS * INC # I9: 8 + E3: 2,5,7,8 # C7: 1,3 => UNS * INC # I9: 8 + E3: 2,5,7,8 # F2: 4,9 => UNS * PRF # I9: 8 + E3: 2,5,7,8 # F3: 4,9 => SOL * STA # I9: 8 + E3: 2,5,7,8 + F3: 4,9 * CNT 26 HDP CHAINS / 27 HYP OPENED