Analysis of xx-ph-00275156-12_12_03-base.sdk
Contents
Original Sudoku
level: deep
position: ........1..2..3..4.5..6..2....4..3....7.2..5.5..8....2.76..8....9....1..2...9..6. initial
Autosolve
position: ........1..2..3..4.5..6..2..2.4..3....7.2..5.5..8....2.76..82...9....1..2...9..6. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000019
List of important HDP chains detected for H7,I7: 9..:
* PRF # H7: 9 # H1: 7,8 => SOL * STA # H7: 9 + H1: 7,8 * CNT 1 HDP CHAINS / 9 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..4.5..6..2....4..3....7.2..5.5..8....2.76..8....9....1..2...9..6. | initial |
| ........1..2..3..4.5..6..2..2.4..3....7.2..5.5..8....2.76..82...9....1..2...9..6. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (4) G1: 5,6 G2: 5,6 D8: 2,6 F8: 2,6 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H4,H6: 1.. / H4 = 1 => 6 pairs (_) / H6 = 1 => 6 pairs (_) D1,F1: 2.. / D1 = 2 => 2 pairs (_) / F1 = 2 => 5 pairs (_) D8,F8: 2.. / D8 = 2 => 5 pairs (_) / F8 = 2 => 2 pairs (_) D1,D8: 2.. / D1 = 2 => 2 pairs (_) / D8 = 2 => 5 pairs (_) F1,F8: 2.. / F1 = 2 => 5 pairs (_) / F8 = 2 => 2 pairs (_) H1,I3: 3.. / H1 = 3 => 5 pairs (_) / I3 = 3 => 5 pairs (_) D5,E6: 3.. / D5 = 3 => 4 pairs (_) / E6 = 3 => 4 pairs (_) G1,G2: 5.. / G1 = 5 => 3 pairs (_) / G2 = 5 => 2 pairs (_) E4,F4: 5.. / E4 = 5 => 4 pairs (_) / F4 = 5 => 5 pairs (_) C8,C9: 5.. / C8 = 5 => 4 pairs (_) / C9 = 5 => 4 pairs (_) G1,G2: 6.. / G1 = 6 => 2 pairs (_) / G2 = 6 => 3 pairs (_) I4,I5: 6.. / I4 = 6 => 5 pairs (_) / I5 = 6 => 3 pairs (_) D8,F8: 6.. / D8 = 6 => 2 pairs (_) / F8 = 6 => 5 pairs (_) B6,F6: 6.. / B6 = 6 => 5 pairs (_) / F6 = 6 => 3 pairs (_) D5,D8: 6.. / D5 = 6 => 5 pairs (_) / D8 = 6 => 2 pairs (_) E1,E2: 8.. / E1 = 8 => 4 pairs (_) / E2 = 8 => 6 pairs (_) H7,I7: 9.. / H7 = 9 => 7 pairs (_) / I7 = 9 => 6 pairs (_) * DURATION: 0:00:16.457781 START: 15:02:52.975976 END: 15:03:09.433757 2020-12-24 * CP COUNT: (17) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) H7,I7: 9.. / H7 = 9 ==> 0 pairs (*) / I7 = 9 => 0 pairs (X) * DURATION: 0:00:22.852382 START: 15:03:10.561121 END: 15:03:33.413503 2020-12-24 * REASONING H7,I7: 9.. * PRF # H7: 9 # H1: 7,8 => SOL * STA # H7: 9 + H1: 7,8 * CNT 1 HDP CHAINS / 9 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
275156;12_12_03;dob;23;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for H7,I7: 9..:
* INC # H7: 9 # D2: 1,7 => UNS * INC # H7: 9 # E2: 1,7 => UNS * INC # H7: 9 # F3: 1,7 => UNS * INC # H7: 9 # A3: 1,7 => UNS * INC # H7: 9 # A3: 3,4,8 => UNS * INC # H7: 9 # D9: 1,7 => UNS * INC # H7: 9 # D9: 3,5 => UNS * PRF # H7: 9 # H1: 7,8 => SOL * STA # H7: 9 + H1: 7,8 * CNT 8 HDP CHAINS / 9 HYP OPENED