Analysis of xx-ph-00034976-12_05-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....7.6...5......5....4......3..9.8..6......2...1.6.5..7......3...4.....1.2. initial
Autosolve
position: 9857.....7.6...5......5....4......3..9.8..6..6...2...1.6.5..7......3...4.....1.2. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000015
List of important HDP chains detected for I7,G9: 3..:
* DIS # G9: 3 # H7: 8,9 => CTR => H7: 1 * DIS # G9: 3 + H7: 1 # F1: 4,6 => CTR => F1: 2,3 * DIS # G9: 3 + H7: 1 + F1: 2,3 # F3: 2,3 => CTR => F3: 4,6,8,9 * PRF # G9: 3 + H7: 1 + F1: 2,3 + F3: 4,6,8,9 # I1: 6 => SOL * STA # G9: 3 + H7: 1 + F1: 2,3 + F3: 4,6,8,9 + I1: 6 * CNT 4 HDP CHAINS / 49 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.....7.6...5......5....4......3..9.8..6......2...1.6.5..7......3...4.....1.2. | initial |
| 9857.....7.6...5......5....4......3..9.8..6..6...2...1.6.5..7......3...4.....1.2. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (2) H8: 5,6 I9: 5,6 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H7,G8: 1.. / H7 = 1 => 4 pairs (_) / G8 = 1 => 3 pairs (_) I7,G9: 3.. / I7 = 3 => 4 pairs (_) / G9 = 3 => 4 pairs (_) H8,I9: 5.. / H8 = 5 => 3 pairs (_) / I9 = 5 => 4 pairs (_) H8,I9: 6.. / H8 = 6 => 4 pairs (_) / I9 = 6 => 3 pairs (_) H3,I3: 7.. / H3 = 7 => 3 pairs (_) / I3 = 7 => 3 pairs (_) F8,E9: 7.. / F8 = 7 => 2 pairs (_) / E9 = 7 => 3 pairs (_) C4,C6: 8.. / C4 = 8 => 4 pairs (_) / C6 = 8 => 3 pairs (_) * DURATION: 0:00:06.437378 START: 09:46:15.176949 END: 09:46:21.614327 2020-12-15 * CP COUNT: (7) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I7,G9: 3.. / I7 = 3 ==> 4 pairs (_) / G9 = 3 ==> 0 pairs (*) * DURATION: 0:00:36.009830 START: 09:46:22.588497 END: 09:46:58.598327 2020-12-15 * REASONING I7,G9: 3.. * DIS # G9: 3 # H7: 8,9 => CTR => H7: 1 * DIS # G9: 3 + H7: 1 # F1: 4,6 => CTR => F1: 2,3 * DIS # G9: 3 + H7: 1 + F1: 2,3 # F3: 2,3 => CTR => F3: 4,6,8,9 * PRF # G9: 3 + H7: 1 + F1: 2,3 + F3: 4,6,8,9 # I1: 6 => SOL * STA # G9: 3 + H7: 1 + F1: 2,3 + F3: 4,6,8,9 + I1: 6 * CNT 4 HDP CHAINS / 49 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
34976;12_05;GP;21;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I7,G9: 3..:
* INC # I7: 3 # I3: 2,6 => UNS * INC # I7: 3 # I3: 7,8,9 => UNS * INC # I7: 3 # F1: 2,6 => UNS * INC # I7: 3 # F1: 3,4 => UNS * INC # I7: 3 # H7: 8,9 => UNS * INC # I7: 3 # G8: 8,9 => UNS * INC # I7: 3 # E9: 8,9 => UNS * INC # I7: 3 # E9: 4,6,7 => UNS * INC # I7: 3 # G3: 8,9 => UNS * INC # I7: 3 # G4: 8,9 => UNS * INC # I7: 3 # G6: 8,9 => UNS * INC # I7: 3 => UNS * INC # G9: 3 # A8: 5,8 => UNS * INC # G9: 3 # A8: 1,2 => UNS * DIS # G9: 3 # H7: 8,9 => CTR => H7: 1 * INC # G9: 3 + H7: 1 # E7: 8,9 => UNS * INC # G9: 3 + H7: 1 # F7: 8,9 => UNS * INC # G9: 3 + H7: 1 # I2: 8,9 => UNS * INC # G9: 3 + H7: 1 # I3: 8,9 => UNS * INC # G9: 3 + H7: 1 # I4: 8,9 => UNS * INC # G9: 3 + H7: 1 # H3: 4,6 => UNS * INC # G9: 3 + H7: 1 # H3: 7,8,9 => UNS * INC # G9: 3 + H7: 1 # E1: 4,6 => UNS * DIS # G9: 3 + H7: 1 # F1: 4,6 => CTR => F1: 2,3 * INC # G9: 3 + H7: 1 + F1: 2,3 # E1: 4,6 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # E1: 1 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # H3: 4,6 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # H3: 7,8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # E1: 4,6 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # E1: 1 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # A8: 5,8 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # A8: 1,2 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # E7: 8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # F7: 8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # I2: 8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # I3: 8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # I4: 8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # F8: 8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # F8: 2,6,7 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # G3: 8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # G4: 8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # G6: 8,9 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # D2: 2,3 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # F2: 2,3 => UNS * INC # G9: 3 + H7: 1 + F1: 2,3 # D3: 2,3 => UNS * DIS # G9: 3 + H7: 1 + F1: 2,3 # F3: 2,3 => CTR => F3: 4,6,8,9 * INC # G9: 3 + H7: 1 + F1: 2,3 + F3: 4,6,8,9 # I1: 2,3 => UNS * PRF # G9: 3 + H7: 1 + F1: 2,3 + F3: 4,6,8,9 # I1: 6 => SOL * STA # G9: 3 + H7: 1 + F1: 2,3 + F3: 4,6,8,9 + I1: 6 * CNT 48 HDP CHAINS / 49 HYP OPENED