Analysis of xx-ph-00067664-12_11-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76....7.54.........9.8..4...3..86.3...6..4...9..3..2......4..9..4.6....4....1. initial
Autosolve
position: 98.76.4..7.54......4..9.8..4...3..86.3...6..4...9.43..2......4..9..4.6....4....1. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for C4,G4: 9..:
* DIS # G4: 9 # B4: 1,7 => CTR => B4: 2,5 * DIS # G4: 9 + B4: 2,5 # B6: 1,7 => CTR => B6: 2,5 * PRF # G4: 9 + B4: 2,5 + B6: 2,5 # C6: 1,7 => SOL * STA # G4: 9 + B4: 2,5 + B6: 2,5 + C6: 1,7 * CNT 3 HDP CHAINS / 16 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....7.54.........9.8..4...3..86.3...6..4...9..3..2......4..9..4.6....4....1. | initial |
| 98.76.4..7.54......4..9.8..4...3..86.3...6..4...9.43..2......4..9..4.6....4....1. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H2,H3: 6.. / H2 = 6 => 1 pairs (_) / H3 = 6 => 2 pairs (_) D7,D9: 6.. / D7 = 6 => 0 pairs (_) / D9 = 6 => 1 pairs (_) B2,H2: 6.. / B2 = 6 => 2 pairs (_) / H2 = 6 => 1 pairs (_) H3,I3: 7.. / H3 = 7 => 2 pairs (_) / I3 = 7 => 0 pairs (_) E2,F2: 8.. / E2 = 8 => 1 pairs (_) / F2 = 8 => 2 pairs (_) C4,C5: 9.. / C4 = 9 => 0 pairs (_) / C5 = 9 => 5 pairs (_) F7,F9: 9.. / F7 = 9 => 1 pairs (_) / F9 = 9 => 0 pairs (_) C4,G4: 9.. / C4 = 9 => 0 pairs (_) / G4 = 9 => 5 pairs (_) H2,H5: 9.. / H2 = 9 => 4 pairs (_) / H5 = 9 => 0 pairs (_) * DURATION: 0:00:06.774471 START: 18:51:44.872288 END: 18:51:51.646759 2020-10-27 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C4,G4: 9.. / C4 = 9 => 0 pairs (X) / G4 = 9 ==> 0 pairs (*) * DURATION: 0:00:17.013652 START: 18:51:51.647420 END: 18:52:08.661072 2020-10-27 * REASONING C4,G4: 9.. * DIS # G4: 9 # B4: 1,7 => CTR => B4: 2,5 * DIS # G4: 9 + B4: 2,5 # B6: 1,7 => CTR => B6: 2,5 * PRF # G4: 9 + B4: 2,5 + B6: 2,5 # C6: 1,7 => SOL * STA # G4: 9 + B4: 2,5 + B6: 2,5 + C6: 1,7 * CNT 3 HDP CHAINS / 16 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
67664;12_11;GP;25;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C4,G4: 9..:
* INC # G4: 9 # C1: 1,3 => UNS * INC # G4: 9 # C3: 1,3 => UNS * INC # G4: 9 # D3: 1,3 => UNS * INC # G4: 9 # F3: 1,3 => UNS * INC # G4: 9 # A8: 1,3 => UNS * INC # G4: 9 # A8: 5,8 => UNS * INC # G4: 9 # I1: 1,2 => UNS * INC # G4: 9 # I2: 1,2 => UNS * INC # G4: 9 # E2: 1,2 => UNS * INC # G4: 9 # F2: 1,2 => UNS * INC # G4: 9 # G5: 1,2 => UNS * INC # G4: 9 # G5: 5,7 => UNS * DIS # G4: 9 # B4: 1,7 => CTR => B4: 2,5 * DIS # G4: 9 + B4: 2,5 # B6: 1,7 => CTR => B6: 2,5 * PRF # G4: 9 + B4: 2,5 + B6: 2,5 # C6: 1,7 => SOL * STA # G4: 9 + B4: 2,5 + B6: 2,5 + C6: 1,7 * CNT 15 HDP CHAINS / 16 HYP OPENED