Analysis of xx-ph-00248005-12_12_03-base.sdk
Contents
Original Sudoku
level: deep
position: ........1.....2..3..213..4...1.5...4.5.6...2.27.....5...532.4...2...8...9....6... initial
Autosolve
position: ......2.1.....2..3..213..4...125...4.5.6...2.27.....5...532.4...2...8...9....6..2 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for D9,G9: 5..:
* DIS # G9: 5 # F5: 7,9 => CTR => F5: 1,3,4 * DIS # G9: 5 + F5: 1,3,4 # E5: 8,9 => CTR => E5: 1,7 * PRF # G9: 5 + F5: 1,3,4 + E5: 1,7 # E6: 1 => SOL * STA # G9: 5 + F5: 1,3,4 + E5: 1,7 + E6: 1 * CNT 3 HDP CHAINS / 22 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
| ........1.....2..3..213..4...1.5...4.5.6...2.27.....5...532.4...2...8...9....6... | initial |
| ......2.1.....2..3..213..4...125...4.5.6...2.27.....5...532.4...2...8...9....6..2 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A2,B2: 1.. / A2 = 1 => 0 pairs (_) / B2 = 1 => 1 pairs (_) G5,G6: 1.. / G5 = 1 => 0 pairs (_) / G6 = 1 => 0 pairs (_) F1,F3: 5.. / F1 = 5 => 2 pairs (_) / F3 = 5 => 0 pairs (_) D8,D9: 5.. / D8 = 5 => 4 pairs (_) / D9 = 5 => 0 pairs (_) A1,F1: 5.. / A1 = 5 => 0 pairs (_) / F1 = 5 => 2 pairs (_) A2,G2: 5.. / A2 = 5 => 3 pairs (_) / G2 = 5 => 0 pairs (_) D9,G9: 5.. / D9 = 5 => 0 pairs (_) / G9 = 5 => 4 pairs (_) I3,I8: 5.. / I3 = 5 => 3 pairs (_) / I8 = 5 => 0 pairs (_) E1,E2: 6.. / E1 = 6 => 0 pairs (_) / E2 = 6 => 0 pairs (_) * DURATION: 0:00:06.312724 START: 11:01:05.445422 END: 11:01:11.758146 2020-10-01 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D9,G9: 5.. / D9 = 5 => 0 pairs (X) / G9 = 5 ==> 0 pairs (*) * DURATION: 0:00:19.029197 START: 11:01:11.758689 END: 11:01:30.787886 2020-10-01 * REASONING D9,G9: 5.. * DIS # G9: 5 # F5: 7,9 => CTR => F5: 1,3,4 * DIS # G9: 5 + F5: 1,3,4 # E5: 8,9 => CTR => E5: 1,7 * PRF # G9: 5 + F5: 1,3,4 + E5: 1,7 # E6: 1 => SOL * STA # G9: 5 + F5: 1,3,4 + E5: 1,7 + E6: 1 * CNT 3 HDP CHAINS / 22 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
248005;12_12_03;dob;24;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D9,G9: 5..:
* INC # G9: 5 # D1: 7,9 => UNS * INC # G9: 5 # E1: 7,9 => UNS * INC # G9: 5 # D2: 7,9 => UNS * INC # G9: 5 # E2: 7,9 => UNS * INC # G9: 5 # G3: 7,9 => UNS * INC # G9: 5 # G3: 6,8 => UNS * INC # G9: 5 # F4: 7,9 => UNS * DIS # G9: 5 # F5: 7,9 => CTR => F5: 1,3,4 * INC # G9: 5 + F5: 1,3,4 # F7: 7,9 => UNS * INC # G9: 5 + F5: 1,3,4 # D1: 7,9 => UNS * INC # G9: 5 + F5: 1,3,4 # E1: 7,9 => UNS * INC # G9: 5 + F5: 1,3,4 # D2: 7,9 => UNS * INC # G9: 5 + F5: 1,3,4 # E2: 7,9 => UNS * INC # G9: 5 + F5: 1,3,4 # G3: 7,9 => UNS * INC # G9: 5 + F5: 1,3,4 # G3: 6,8 => UNS * INC # G9: 5 + F5: 1,3,4 # F4: 7,9 => UNS * INC # G9: 5 + F5: 1,3,4 # F7: 7,9 => UNS * DIS # G9: 5 + F5: 1,3,4 # E5: 8,9 => CTR => E5: 1,7 * INC # G9: 5 + F5: 1,3,4 + E5: 1,7 # E6: 8,9 => UNS * INC # G9: 5 + F5: 1,3,4 + E5: 1,7 # E6: 8,9 => UNS * PRF # G9: 5 + F5: 1,3,4 + E5: 1,7 # E6: 1 => SOL * STA # G9: 5 + F5: 1,3,4 + E5: 1,7 + E6: 1 * CNT 21 HDP CHAINS / 22 HYP OPENED