Analysis of xx-ph-00248056-12_12_03-base.sdk
Contents
Original Sudoku
level: deep
position: ........1..2..3..4.5..6.27....6...4...5.8.6..6..9.2.....7.....2.28......5...2.78. initial
Autosolve
position: ...2....1..2..3..4.5..6.27.2..6...4...5.8.62.6..9.2.....7.....2.28......5...2.78. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for B2,H2: 6..:
* DIS # B2: 6 # F3: 1,4 => CTR => F3: 8,9 * DIS # B2: 6 + F3: 8,9 # D8: 1,4 => CTR => D8: 3,5,7 * DIS # B2: 6 + F3: 8,9 + D8: 3,5,7 # E2: 5,9 => CTR => E2: 1,7 * DIS # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 # G4: 1,3 => CTR => G4: 8,9 * PRF # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 + G4: 8,9 # G6: 8 => SOL * STA # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 + G4: 8,9 + G6: 8 * CNT 5 HDP CHAINS / 24 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
| ........1..2..3..4.5..6.27....6...4...5.8.6..6..9.2.....7.....2.28......5...2.78. | initial |
| ...2....1..2..3..4.5..6.27.2..6...4...5.8.62.6..9.2.....7.....2.28......5...2.78. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G7,G8: 4.. / G7 = 4 => 0 pairs (_) / G8 = 4 => 0 pairs (_) H1,H2: 6.. / H1 = 6 => 4 pairs (_) / H2 = 6 => 0 pairs (_) I8,I9: 6.. / I8 = 6 => 2 pairs (_) / I9 = 6 => 0 pairs (_) B2,H2: 6.. / B2 = 6 => 4 pairs (_) / H2 = 6 => 0 pairs (_) B7,F7: 6.. / B7 = 6 => 0 pairs (_) / F7 = 6 => 3 pairs (_) F8,I8: 6.. / F8 = 6 => 0 pairs (_) / I8 = 6 => 2 pairs (_) C1,C9: 6.. / C1 = 6 => 0 pairs (_) / C9 = 6 => 3 pairs (_) B4,B6: 8.. / B4 = 8 => 0 pairs (_) / B6 = 8 => 0 pairs (_) D7,F7: 8.. / D7 = 8 => 1 pairs (_) / F7 = 8 => 0 pairs (_) * DURATION: 0:00:06.571324 START: 16:59:10.114352 END: 16:59:16.685676 2020-10-01 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B2,H2: 6.. / B2 = 6 ==> 0 pairs (*) / H2 = 6 => 0 pairs (X) * DURATION: 0:00:21.671373 START: 16:59:16.686410 END: 16:59:38.357783 2020-10-01 * REASONING B2,H2: 6.. * DIS # B2: 6 # F3: 1,4 => CTR => F3: 8,9 * DIS # B2: 6 + F3: 8,9 # D8: 1,4 => CTR => D8: 3,5,7 * DIS # B2: 6 + F3: 8,9 + D8: 3,5,7 # E2: 5,9 => CTR => E2: 1,7 * DIS # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 # G4: 1,3 => CTR => G4: 8,9 * PRF # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 + G4: 8,9 # G6: 8 => SOL * STA # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 + G4: 8,9 + G6: 8 * CNT 5 HDP CHAINS / 24 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
248056;12_12_03;dob;24;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B2,H2: 6..:
* DIS # B2: 6 # F3: 1,4 => CTR => F3: 8,9 * INC # B2: 6 + F3: 8,9 # A3: 1,4 => UNS * INC # B2: 6 + F3: 8,9 # C3: 1,4 => UNS * INC # B2: 6 + F3: 8,9 # D5: 1,4 => UNS * DIS # B2: 6 + F3: 8,9 # D8: 1,4 => CTR => D8: 3,5,7 * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 # D9: 1,4 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 # A3: 1,4 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 # C3: 1,4 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 # D5: 1,4 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 # D9: 1,4 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 # G1: 5,9 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 # G2: 5,9 => UNS * DIS # B2: 6 + F3: 8,9 + D8: 3,5,7 # E2: 5,9 => CTR => E2: 1,7 * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 # H7: 5,9 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 # H8: 5,9 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 # G1: 5,9 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 # G2: 5,9 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 # H7: 5,9 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 # H8: 5,9 => UNS * DIS # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 # G4: 1,3 => CTR => G4: 8,9 * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 + G4: 8,9 # G6: 1,3 => UNS * INC # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 + G4: 8,9 # G6: 1,3 => UNS * PRF # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 + G4: 8,9 # G6: 8 => SOL * STA # B2: 6 + F3: 8,9 + D8: 3,5,7 + E2: 1,7 + G4: 8,9 + G6: 8 * CNT 23 HDP CHAINS / 24 HYP OPENED