Analysis of xx-ph-00035811-12_05-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7.4.......5..9.8..8...3..65.3...6.8....9..3..2.........9..8.6..........1 initial
Autosolve
position: 98.76.5..7.48......5..9.8..8...3..65.3...6.8....9.83..2.......8.9..8.6....8.....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: 2,4 * DIS # G4: 9 + B4: 2,4 # B6: 1,7 => CTR => B6: 2,4 * PRF # G4: 9 + B4: 2,4 + B6: 2,4 # C6: 1,7 => SOL * STA # G4: 9 + B4: 2,4 + B6: 2,4 + 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
| 98.76.5..7.4.......5..9.8..8...3..65.3...6.8....9..3..2.........9..8.6..........1 | initial |
| 98.76.5..7.48......5..9.8..8...3..65.3...6.8....9.83..2.......8.9..8.6....8.....1 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E2,F2: 5.. / E2 = 5 => 1 pairs (_) / F2 = 5 => 2 pairs (_) I2,I3: 6.. / I2 = 6 => 1 pairs (_) / I3 = 6 => 2 pairs (_) D7,D9: 6.. / D7 = 6 => 0 pairs (_) / D9 = 6 => 1 pairs (_) B2,I2: 6.. / B2 = 6 => 2 pairs (_) / I2 = 6 => 1 pairs (_) H3,I3: 7.. / H3 = 7 => 0 pairs (_) / I3 = 7 => 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 (_) I2,I5: 9.. / I2 = 9 => 4 pairs (_) / I5 = 9 => 0 pairs (_) * DURATION: 0:00:06.264103 START: 00:42:20.510564 END: 00:42:26.774667 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: 0:00:15.613378 START: 00:42:26.775272 END: 00:42:42.388650 2020-10-27 * REASONING C4,G4: 9.. * DIS # G4: 9 # B4: 1,7 => CTR => B4: 2,4 * DIS # G4: 9 + B4: 2,4 # B6: 1,7 => CTR => B6: 2,4 * PRF # G4: 9 + B4: 2,4 + B6: 2,4 # C6: 1,7 => SOL * STA # G4: 9 + B4: 2,4 + B6: 2,4 + C6: 1,7 * CNT 3 HDP CHAINS / 16 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
35811;12_05;GP;24;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: 4,5 => UNS * INC # G4: 9 # H1: 1,2 => UNS * INC # G4: 9 # H2: 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: 4,7 => UNS * DIS # G4: 9 # B4: 1,7 => CTR => B4: 2,4 * DIS # G4: 9 + B4: 2,4 # B6: 1,7 => CTR => B6: 2,4 * PRF # G4: 9 + B4: 2,4 + B6: 2,4 # C6: 1,7 => SOL * STA # G4: 9 + B4: 2,4 + B6: 2,4 + C6: 1,7 * CNT 15 HDP CHAINS / 16 HYP OPENED