Analysis of xx-ph-02317188-2019_03_16-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..5.7....8.........94..9...6.....7.4......3.9.7.4.8....6..5.2......1..78.. initial
Autosolve
position: 98.7..6..5.7....8.........947.9...6.....7.4......3.9.774.8....68.5.2......1..78.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C5,C7: 9..:
* DIS # C7: 9 # H5: 1,2 => CTR => H5: 3,5 * DIS # C7: 9 + H5: 3,5 # H3: 1,2 => CTR => H3: 3,4,5,7 * DIS # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # I5: 3,5 => CTR => I5: 1,2,8 * PRF # C7: 9 + H5: 3,5 + H3: 3,4,5,7 + I5: 1,2,8 # H3: 3,5 => SOL * STA # C7: 9 + H5: 3,5 + H3: 3,4,5,7 + I5: 1,2,8 + H3: 3,5 * CNT 4 HDP CHAINS / 37 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
| 98.7..6..5.7....8.........94..9...6.....7.4......3.9.7.4.8....6..5.2......1..78.. | initial |
| 98.7..6..5.7....8.........947.9...6.....7.4......3.9.774.8....68.5.2......1..78.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) C1,C3: 4.. / C1 = 4 => 1 pairs (_) / C3 = 4 => 4 pairs (_) D6,F6: 4.. / D6 = 4 => 0 pairs (_) / F6 = 4 => 1 pairs (_) B5,B6: 5.. / B5 = 5 => 1 pairs (_) / B6 = 5 => 1 pairs (_) G3,H3: 7.. / G3 = 7 => 1 pairs (_) / H3 = 7 => 0 pairs (_) G8,H8: 7.. / G8 = 7 => 0 pairs (_) / H8 = 7 => 1 pairs (_) G3,G8: 7.. / G3 = 7 => 1 pairs (_) / G8 = 7 => 0 pairs (_) H3,H8: 7.. / H3 = 7 => 0 pairs (_) / H8 = 7 => 1 pairs (_) E3,F3: 8.. / E3 = 8 => 1 pairs (_) / F3 = 8 => 1 pairs (_) I4,I5: 8.. / I4 = 8 => 2 pairs (_) / I5 = 8 => 0 pairs (_) C6,F6: 8.. / C6 = 8 => 1 pairs (_) / F6 = 8 => 2 pairs (_) E3,E4: 8.. / E3 = 8 => 1 pairs (_) / E4 = 8 => 1 pairs (_) E2,F2: 9.. / E2 = 9 => 1 pairs (_) / F2 = 9 => 0 pairs (_) B5,C5: 9.. / B5 = 9 => 3 pairs (_) / C5 = 9 => 1 pairs (_) C5,C7: 9.. / C5 = 9 => 1 pairs (_) / C7 = 9 => 3 pairs (_) * DURATION: 0:00:08.968984 START: 09:56:47.003904 END: 09:56:55.972888 2020-11-08 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,C3: 4.. / C1 = 4 ==> 1 pairs (_) / C3 = 4 ==> 4 pairs (_) C5,C7: 9.. / C5 = 9 => 0 pairs (X) / C7 = 9 ==> 0 pairs (*) * DURATION: 0:00:45.301363 START: 09:56:55.973485 END: 09:57:41.274848 2020-11-08 * REASONING C5,C7: 9.. * DIS # C7: 9 # H5: 1,2 => CTR => H5: 3,5 * DIS # C7: 9 + H5: 3,5 # H3: 1,2 => CTR => H3: 3,4,5,7 * DIS # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # I5: 3,5 => CTR => I5: 1,2,8 * PRF # C7: 9 + H5: 3,5 + H3: 3,4,5,7 + I5: 1,2,8 # H3: 3,5 => SOL * STA # C7: 9 + H5: 3,5 + H3: 3,4,5,7 + I5: 1,2,8 + H3: 3,5 * CNT 4 HDP CHAINS / 37 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
2317188;2019_03_16;PAQ;24;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,C3: 4..:
* INC # C3: 4 # B2: 2,3 => UNS * INC # C3: 4 # A3: 2,3 => UNS * INC # C3: 4 # B3: 2,3 => UNS * INC # C3: 4 # F1: 2,3 => UNS * INC # C3: 4 # H1: 2,3 => UNS * INC # C3: 4 # I1: 2,3 => UNS * INC # C3: 4 # C4: 2,3 => UNS * INC # C3: 4 # C5: 2,3 => UNS * INC # C3: 4 # C7: 2,3 => UNS * INC # C3: 4 # A5: 1,2 => UNS * INC # C3: 4 # B5: 1,2 => UNS * INC # C3: 4 # B6: 1,2 => UNS * INC # C3: 4 # H6: 1,2 => UNS * INC # C3: 4 # H6: 5 => UNS * INC # C3: 4 # A3: 1,2 => UNS * INC # C3: 4 # A3: 3,6 => UNS * INC # C3: 4 # C5: 6,8 => UNS * INC # C3: 4 # C5: 2,3,9 => UNS * INC # C3: 4 # F6: 6,8 => UNS * INC # C3: 4 # F6: 4 => UNS * INC # C3: 4 # F6: 4,6 => UNS * INC # C3: 4 # F6: 8 => UNS * INC # C3: 4 # D2: 4,6 => UNS * INC # C3: 4 # D8: 4,6 => UNS * INC # C3: 4 # D9: 4,6 => UNS * INC # C3: 4 => UNS * INC # C1: 4 # F1: 1,5 => UNS * INC # C1: 4 # D3: 1,5 => UNS * INC # C1: 4 # E3: 1,5 => UNS * INC # C1: 4 # F3: 1,5 => UNS * INC # C1: 4 # H1: 1,5 => UNS * INC # C1: 4 # I1: 1,5 => UNS * INC # C1: 4 # E4: 1,5 => UNS * INC # C1: 4 # E7: 1,5 => UNS * INC # C1: 4 => UNS * CNT 35 HDP CHAINS / 35 HYP OPENED
Full list of HDP chains traversed for C5,C7: 9..:
* INC # C7: 9 # G4: 1,2 => UNS * INC # C7: 9 # I4: 1,2 => UNS * DIS # C7: 9 # H5: 1,2 => CTR => H5: 3,5 * INC # C7: 9 + H5: 3,5 # I5: 1,2 => UNS * INC # C7: 9 + H5: 3,5 # A6: 1,2 => UNS * INC # C7: 9 + H5: 3,5 # D6: 1,2 => UNS * INC # C7: 9 + H5: 3,5 # F6: 1,2 => UNS * INC # C7: 9 + H5: 3,5 # H1: 1,2 => UNS * DIS # C7: 9 + H5: 3,5 # H3: 1,2 => CTR => H3: 3,4,5,7 * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # H7: 1,2 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # G4: 1,2 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # I4: 1,2 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # I5: 1,2 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # A6: 1,2 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # D6: 1,2 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # F6: 1,2 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # H1: 1,2 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # H7: 1,2 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # A9: 3,6 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # B9: 3,6 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # D8: 3,6 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # F8: 3,6 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # B2: 3,6 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # B3: 3,6 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # F7: 1,5 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # F7: 3 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # G7: 1,5 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # H7: 1,5 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # E1: 1,5 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # E3: 1,5 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # E4: 1,5 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # G4: 3,5 => UNS * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # I4: 3,5 => UNS * DIS # C7: 9 + H5: 3,5 + H3: 3,4,5,7 # I5: 3,5 => CTR => I5: 1,2,8 * INC # C7: 9 + H5: 3,5 + H3: 3,4,5,7 + I5: 1,2,8 # H1: 3,5 => UNS * PRF # C7: 9 + H5: 3,5 + H3: 3,4,5,7 + I5: 1,2,8 # H3: 3,5 => SOL * STA # C7: 9 + H5: 3,5 + H3: 3,4,5,7 + I5: 1,2,8 + H3: 3,5 * CNT 36 HDP CHAINS / 37 HYP OPENED