Analysis of xx-ph-00001056-L83-base.sdk
Contents
Original Sudoku
level: deep
position: .2.4....9..6.8....7....3........4..5.9.....2....2..91.3....7....4.5....1..8...6.. initial
Autosolve
position: .2.4....9..6.8....7....3........4..5.9.....2....2..91.3....7....4.5....1..8...6.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000015
List of important HDP chains detected for D4,E4: 9..:
* DIS # D4: 9 # F8: 2,9 => CTR => F8: 6,8 * DIS # D4: 9 + F8: 6,8 # D5: 1,6 => CTR => D5: 3,7,8 * DIS # D4: 9 + F8: 6,8 + D5: 3,7,8 # E7: 2,9 => CTR => E7: 1,4,6 * DIS # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 # E9: 2,9 => CTR => E9: 1,3,4 * PRF # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 + E9: 1,3,4 # D7: 1,6 => SOL * STA # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 + E9: 1,3,4 + D7: 1,6 * CNT 5 HDP CHAINS / 34 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
| .2.4....9..6.8....7....3........4..5.9.....2....2..91.3....7....4.5....1..8...6.. | initial |
| .2.4....9..6.8....7....3........4..5.9.....2....2..91.3....7....4.5....1..8...6.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (2) A2: 4,9 C3: 4,9 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) F2,E3: 2.. / F2 = 2 => 4 pairs (_) / E3 = 2 => 2 pairs (_) A4,C4: 2.. / A4 = 2 => 3 pairs (_) / C4 = 2 => 3 pairs (_) C1,B2: 3.. / C1 = 3 => 3 pairs (_) / B2 = 3 => 3 pairs (_) A2,C3: 4.. / A2 = 4 => 2 pairs (_) / C3 = 4 => 3 pairs (_) E7,E9: 4.. / E7 = 4 => 3 pairs (_) / E9 = 4 => 2 pairs (_) B7,A8: 6.. / B7 = 6 => 3 pairs (_) / A8 = 6 => 3 pairs (_) E1,D2: 7.. / E1 = 7 => 3 pairs (_) / D2 = 7 => 2 pairs (_) C8,B9: 7.. / C8 = 7 => 3 pairs (_) / B9 = 7 => 3 pairs (_) A1,B3: 8.. / A1 = 8 => 3 pairs (_) / B3 = 8 => 3 pairs (_) D7,F8: 8.. / D7 = 8 => 3 pairs (_) / F8 = 8 => 5 pairs (_) A2,C3: 9.. / A2 = 9 => 3 pairs (_) / C3 = 9 => 2 pairs (_) D4,E4: 9.. / D4 = 9 => 11 pairs (_) / E4 = 9 => 2 pairs (_) * DURATION: 0:00:10.535452 START: 17:26:42.596894 END: 17:26:53.132346 2020-11-24 * CP COUNT: (12) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D4,E4: 9.. / D4 = 9 ==> 0 pairs (*) / E4 = 9 => 0 pairs (X) * DURATION: 0:00:37.759360 START: 17:26:53.962410 END: 17:27:31.721770 2020-11-24 * REASONING D4,E4: 9.. * DIS # D4: 9 # F8: 2,9 => CTR => F8: 6,8 * DIS # D4: 9 + F8: 6,8 # D5: 1,6 => CTR => D5: 3,7,8 * DIS # D4: 9 + F8: 6,8 + D5: 3,7,8 # E7: 2,9 => CTR => E7: 1,4,6 * DIS # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 # E9: 2,9 => CTR => E9: 1,3,4 * PRF # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 + E9: 1,3,4 # D7: 1,6 => SOL * STA # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 + E9: 1,3,4 + D7: 1,6 * CNT 5 HDP CHAINS / 34 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1056;L83;elev;21;11.30;11.30;3.40
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D4,E4: 9..:
* INC # D4: 9 # B3: 1,8 => UNS * INC # D4: 9 # B3: 5 => UNS * INC # D4: 9 # G1: 1,8 => UNS * INC # D4: 9 # G1: 3,7 => UNS * INC # D4: 9 # A4: 1,8 => UNS * INC # D4: 9 # A5: 1,8 => UNS * INC # D4: 9 # B2: 1,3 => UNS * INC # D4: 9 # B2: 5 => UNS * INC # D4: 9 # G1: 1,3 => UNS * INC # D4: 9 # G1: 7,8 => UNS * INC # D4: 9 # C4: 1,3 => UNS * INC # D4: 9 # C5: 1,3 => UNS * INC # D4: 9 # E1: 1,7 => UNS * INC # D4: 9 # E1: 5,6 => UNS * INC # D4: 9 # G2: 1,7 => UNS * INC # D4: 9 # G2: 2,3,4,5 => UNS * INC # D4: 9 # D5: 1,7 => UNS * INC # D4: 9 # D5: 3,6,8 => UNS * DIS # D4: 9 # F8: 2,9 => CTR => F8: 6,8 * INC # D4: 9 + F8: 6,8 # E1: 1,6 => UNS * INC # D4: 9 + F8: 6,8 # F1: 1,6 => UNS * DIS # D4: 9 + F8: 6,8 # D5: 1,6 => CTR => D5: 3,7,8 * INC # D4: 9 + F8: 6,8 + D5: 3,7,8 # D7: 1,6 => UNS * INC # D4: 9 + F8: 6,8 + D5: 3,7,8 # D7: 1,6 => UNS * INC # D4: 9 + F8: 6,8 + D5: 3,7,8 # D7: 8 => UNS * INC # D4: 9 + F8: 6,8 + D5: 3,7,8 # E1: 1,6 => UNS * INC # D4: 9 + F8: 6,8 + D5: 3,7,8 # F1: 1,6 => UNS * INC # D4: 9 + F8: 6,8 + D5: 3,7,8 # D7: 1,6 => UNS * INC # D4: 9 + F8: 6,8 + D5: 3,7,8 # D7: 8 => UNS * DIS # D4: 9 + F8: 6,8 + D5: 3,7,8 # E7: 2,9 => CTR => E7: 1,4,6 * INC # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 # E8: 2,9 => UNS * DIS # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 # E9: 2,9 => CTR => E9: 1,3,4 * PRF # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 + E9: 1,3,4 # D7: 1,6 => SOL * STA # D4: 9 + F8: 6,8 + D5: 3,7,8 + E7: 1,4,6 + E9: 1,3,4 + D7: 1,6 * CNT 33 HDP CHAINS / 34 HYP OPENED