Analysis of xx-ph-01054270-13_07-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..5...8..7...7..6...8......4..3.........5.6.9...59..48.....2.8..1....5.7.. initial
Autosolve
position: 98.7..6..5...8..7...7..6...89.....4..3.........5.6.9...59..48.....2.8..1..8.5.7.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for A7,E7: 7..:
* DIS # A7: 7 # E5: 1,2 => CTR => E5: 4,9 * PRF # A7: 7 + E5: 4,9 # F2: 3,9 => SOL * STA # A7: 7 + E5: 4,9 + F2: 3,9 * CNT 2 HDP CHAINS / 35 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...8..7...7..6...8......4..3.........5.6.9...59..48.....2.8..1....5.7.. | initial |
| 98.7..6..5...8..7...7..6...89.....4..3.........5.6.9...59..48.....2.8..1..8.5.7.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G8,I9: 4.. / G8 = 4 => 4 pairs (_) / I9 = 4 => 1 pairs (_) F1,D3: 5.. / F1 = 5 => 0 pairs (_) / D3 = 5 => 1 pairs (_) G8,H8: 5.. / G8 = 5 => 1 pairs (_) / H8 = 5 => 2 pairs (_) B2,C2: 6.. / B2 = 6 => 1 pairs (_) / C2 = 6 => 3 pairs (_) D7,D9: 6.. / D7 = 6 => 6 pairs (_) / D9 = 6 => 1 pairs (_) C4,I4: 6.. / C4 = 6 => 2 pairs (_) / I4 = 6 => 2 pairs (_) E7,E8: 7.. / E7 = 7 => 1 pairs (_) / E8 = 7 => 8 pairs (_) F4,I4: 7.. / F4 = 7 => 0 pairs (_) / I4 = 7 => 2 pairs (_) A7,E7: 7.. / A7 = 7 => 8 pairs (_) / E7 = 7 => 1 pairs (_) B6,B8: 7.. / B6 = 7 => 1 pairs (_) / B8 = 7 => 1 pairs (_) H3,I3: 8.. / H3 = 8 => 0 pairs (_) / I3 = 8 => 0 pairs (_) D5,D6: 8.. / D5 = 8 => 0 pairs (_) / D6 = 8 => 0 pairs (_) E8,H8: 9.. / E8 = 9 => 1 pairs (_) / H8 = 9 => 3 pairs (_) * DURATION: 0:00:09.376806 START: 15:27:32.413684 END: 15:27:41.790490 2021-01-10 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) A7,E7: 7.. / A7 = 7 ==> 0 pairs (*) / E7 = 7 => 0 pairs (X) * DURATION: 0:00:32.746053 START: 15:27:41.791079 END: 15:28:14.537132 2021-01-10 * REASONING A7,E7: 7.. * DIS # A7: 7 # E5: 1,2 => CTR => E5: 4,9 * PRF # A7: 7 + E5: 4,9 # F2: 3,9 => SOL * STA # A7: 7 + E5: 4,9 + F2: 3,9 * CNT 2 HDP CHAINS / 35 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1054270;13_07;GP;24;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for A7,E7: 7..:
* INC # A7: 7 # G4: 1,2 => UNS * INC # A7: 7 # H6: 1,2 => UNS * INC # A7: 7 # A5: 1,2 => UNS * INC # A7: 7 # C5: 1,2 => UNS * DIS # A7: 7 # E5: 1,2 => CTR => E5: 4,9 * INC # A7: 7 + E5: 4,9 # F5: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # G2: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # G3: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # G4: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # H6: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # A5: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # C5: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # F5: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # G2: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # G3: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # I4: 5,6 => UNS * INC # A7: 7 + E5: 4,9 # I5: 5,6 => UNS * INC # A7: 7 + E5: 4,9 # A8: 4,6 => UNS * INC # A7: 7 + E5: 4,9 # C8: 4,6 => UNS * INC # A7: 7 + E5: 4,9 # B2: 4,6 => UNS * INC # A7: 7 + E5: 4,9 # B2: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # A3: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # A5: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # A6: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # B2: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # B3: 1,2 => UNS * INC # A7: 7 + E5: 4,9 # D7: 1,3 => UNS * INC # A7: 7 + E5: 4,9 # D7: 6 => UNS * INC # A7: 7 + E5: 4,9 # E1: 1,3 => UNS * INC # A7: 7 + E5: 4,9 # E3: 1,3 => UNS * INC # A7: 7 + E5: 4,9 # E4: 1,3 => UNS * INC # A7: 7 + E5: 4,9 # D9: 3,9 => UNS * INC # A7: 7 + E5: 4,9 # D9: 6 => UNS * PRF # A7: 7 + E5: 4,9 # F2: 3,9 => SOL * STA # A7: 7 + E5: 4,9 + F2: 3,9 * CNT 34 HDP CHAINS / 35 HYP OPENED