Analysis of xx-ph-01315268-13_12-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7....8.....6.5....6.........4.6...3...7..56..2...8...1.79...8....8.279.. initial
Autosolve
position: 98.76.5..7....8.....6.5....6.........4.6...3...7..56..2...8...1.79...8....8.279.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for G7,H7: 7..:
* DIS # G7: 7 # H1: 2,4 => CTR => H1: 1 * DIS # G7: 7 + H1: 1 # G4: 4 => CTR => G4: 1,2 * DIS # G7: 7 + H1: 1 + G4: 1,2 # A3: 1 => CTR => A3: 3,4 * DIS # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 # D2: 3,4 => CTR => D2: 1,2 * DIS # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 # B6: 3,9 => CTR => B6: 1,2 * PRF # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 + B6: 1,2 # D6: 4,8 => SOL * STA # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 + B6: 1,2 + D6: 4,8 * CNT 6 HDP CHAINS / 49 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....8.....6.5....6.........4.6...3...7..56..2...8...1.79...8....8.279.. | initial |
| 98.76.5..7....8.....6.5....6.........4.6...3...7..56..2...8...1.79...8....8.279.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H8,I8: 2.. / H8 = 2 => 1 pairs (_) / I8 = 2 => 1 pairs (_) B2,C2: 5.. / B2 = 5 => 1 pairs (_) / C2 = 5 => 4 pairs (_) H2,I2: 6.. / H2 = 6 => 1 pairs (_) / I2 = 6 => 0 pairs (_) B7,B9: 6.. / B7 = 6 => 0 pairs (_) / B9 = 6 => 5 pairs (_) F7,F8: 6.. / F7 = 6 => 7 pairs (_) / F8 = 6 => 0 pairs (_) E4,E5: 7.. / E4 = 7 => 1 pairs (_) / E5 = 7 => 1 pairs (_) G7,H7: 7.. / G7 = 7 => 12 pairs (_) / H7 = 7 => 1 pairs (_) H3,I3: 8.. / H3 = 8 => 0 pairs (_) / I3 = 8 => 4 pairs (_) A5,A6: 8.. / A5 = 8 => 3 pairs (_) / A6 = 8 => 1 pairs (_) D4,D6: 8.. / D4 = 8 => 0 pairs (_) / D6 = 8 => 3 pairs (_) A5,I5: 8.. / A5 = 8 => 3 pairs (_) / I5 = 8 => 1 pairs (_) B4,B6: 9.. / B4 = 9 => 0 pairs (_) / B6 = 9 => 0 pairs (_) D7,F7: 9.. / D7 = 9 => 0 pairs (_) / F7 = 9 => 1 pairs (_) * DURATION: 0:00:09.015131 START: 08:11:14.126447 END: 08:11:23.141578 2021-01-13 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G7,H7: 7.. / G7 = 7 ==> 0 pairs (*) / H7 = 7 => 0 pairs (X) * DURATION: 0:00:48.857370 START: 08:11:23.142322 END: 08:12:11.999692 2021-01-13 * REASONING G7,H7: 7.. * DIS # G7: 7 # H1: 2,4 => CTR => H1: 1 * DIS # G7: 7 + H1: 1 # G4: 4 => CTR => G4: 1,2 * DIS # G7: 7 + H1: 1 + G4: 1,2 # A3: 1 => CTR => A3: 3,4 * DIS # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 # D2: 3,4 => CTR => D2: 1,2 * DIS # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 # B6: 3,9 => CTR => B6: 1,2 * PRF # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 + B6: 1,2 # D6: 4,8 => SOL * STA # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 + B6: 1,2 + D6: 4,8 * CNT 6 HDP CHAINS / 49 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1315268;13_12;GP;26;11.30;11.30;9.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G7,H7: 7..:
* DIS # G7: 7 # H1: 2,4 => CTR => H1: 1 * INC # G7: 7 + H1: 1 # G2: 2,4 => UNS * INC # G7: 7 + H1: 1 # G3: 2,4 => UNS * INC # G7: 7 + H1: 1 # C1: 2,4 => UNS * INC # G7: 7 + H1: 1 # F1: 2,4 => UNS * INC # G7: 7 + H1: 1 # I4: 2,4 => UNS * INC # G7: 7 + H1: 1 # I6: 2,4 => UNS * INC # G7: 7 + H1: 1 # I8: 2,4 => UNS * INC # G7: 7 + H1: 1 # H4: 7,8 => UNS * INC # G7: 7 + H1: 1 # H4: 2,4,5,9 => UNS * INC # G7: 7 + H1: 1 # I4: 7,8 => UNS * INC # G7: 7 + H1: 1 # I4: 2,4,5,9 => UNS * INC # G7: 7 + H1: 1 # B4: 1,3 => UNS * INC # G7: 7 + H1: 1 # C4: 1,3 => UNS * INC # G7: 7 + H1: 1 # B6: 1,3 => UNS * INC # G7: 7 + H1: 1 # D6: 1,3 => UNS * INC # G7: 7 + H1: 1 # E6: 1,3 => UNS * INC # G7: 7 + H1: 1 # A3: 1,3 => UNS * INC # G7: 7 + H1: 1 # A8: 1,3 => UNS * INC # G7: 7 + H1: 1 # A9: 1,3 => UNS * INC # G7: 7 + H1: 1 # E4: 7,9 => UNS * INC # G7: 7 + H1: 1 # E4: 1,3,4 => UNS * INC # G7: 7 + H1: 1 # D4: 1,2 => UNS * INC # G7: 7 + H1: 1 # F4: 1,2 => UNS * INC # G7: 7 + H1: 1 # D6: 1,2 => UNS * INC # G7: 7 + H1: 1 # F3: 1,2 => UNS * INC # G7: 7 + H1: 1 # F3: 3,4,9 => UNS * INC # G7: 7 + H1: 1 # G4: 1,2 => UNS * DIS # G7: 7 + H1: 1 # G4: 4 => CTR => G4: 1,2 * INC # G7: 7 + H1: 1 + G4: 1,2 # H4: 7,9 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 # I4: 7,9 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 # B9: 3,6 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 # B9: 1 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 # A8: 3,4 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 # A9: 3,4 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 # D7: 3,4 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 # D7: 5,9 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 # A3: 3,4 => UNS * DIS # G7: 7 + H1: 1 + G4: 1,2 # A3: 1 => CTR => A3: 3,4 * INC # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 # D2: 1,2 => UNS * DIS # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 # D2: 3,4 => CTR => D2: 1,2 * INC # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 # H4: 7,8 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 # H4: 4,5,9 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 # I4: 7,8 => UNS * INC # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 # I4: 4,5,9 => UNS * DIS # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 # B6: 3,9 => CTR => B6: 1,2 * INC # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 + B6: 1,2 # D6: 1,2 => UNS * PRF # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 + B6: 1,2 # D6: 4,8 => SOL * STA # G7: 7 + H1: 1 + G4: 1,2 + A3: 3,4 + D2: 1,2 + B6: 1,2 + D6: 4,8 * CNT 48 HDP CHAINS / 49 HYP OPENED