Analysis of xx-ph-00029943-2011_12-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76....7....58....4.8....6...5.3....9..3.2....6....13..5..7...9......4..2....1. initial
Autosolve
position: 98.76....7....58....4.8....6...5.3....9..3.2....6....13..5..7...9......4..2....1. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for I7,G8: 2..:
* DIS # I7: 2 # F1: 4 => CTR => F1: 1,2 * DIS # I7: 2 + F1: 1,2 # D3: 1,2 => CTR => D3: 3,9 * DIS # I7: 2 + F1: 1,2 + D3: 3,9 # F3: 1,2 => CTR => F3: 9 * DIS # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 # H8: 5,6 => CTR => H8: 3,8 * PRF # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 + H8: 3,8 # G9: 5,6 => SOL * STA # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 + H8: 3,8 + G9: 5,6 * CNT 5 HDP CHAINS / 15 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
| 98.76....7....58....4.8....6...5.3....9..3.2....6....13..5..7...9......4..2....1. | initial |
| 98.76....7....58....4.8....6...5.3....9..3.2....6....13..5..7...9......4..2....1. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G1,G3: 1.. / G1 = 1 => 2 pairs (_) / G3 = 1 => 2 pairs (_) I7,G8: 2.. / I7 = 2 => 4 pairs (_) / G8 = 2 => 0 pairs (_) A3,A6: 2.. / A3 = 2 => 1 pairs (_) / A6 = 2 => 1 pairs (_) B6,C6: 3.. / B6 = 3 => 0 pairs (_) / C6 = 3 => 2 pairs (_) H8,I9: 3.. / H8 = 3 => 1 pairs (_) / I9 = 3 => 1 pairs (_) G5,I5: 6.. / G5 = 6 => 2 pairs (_) / I5 = 6 => 1 pairs (_) H3,I3: 7.. / H3 = 7 => 0 pairs (_) / I3 = 7 => 1 pairs (_) C8,B9: 7.. / C8 = 7 => 1 pairs (_) / B9 = 7 => 0 pairs (_) * DURATION: 0:00:04.749392 START: 11:24:27.342408 END: 11:24:32.091800 2020-12-11 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I7,G8: 2.. / I7 = 2 ==> 0 pairs (*) / G8 = 2 => 0 pairs (X) * DURATION: 0:00:13.943089 START: 11:24:32.092303 END: 11:24:46.035392 2020-12-11 * REASONING I7,G8: 2.. * DIS # I7: 2 # F1: 4 => CTR => F1: 1,2 * DIS # I7: 2 + F1: 1,2 # D3: 1,2 => CTR => D3: 3,9 * DIS # I7: 2 + F1: 1,2 + D3: 3,9 # F3: 1,2 => CTR => F3: 9 * DIS # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 # H8: 5,6 => CTR => H8: 3,8 * PRF # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 + H8: 3,8 # G9: 5,6 => SOL * STA # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 + H8: 3,8 + G9: 5,6 * CNT 5 HDP CHAINS / 15 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
29943;2011_12;GP;24;11.30;11.30;10.70
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I7,G8: 2..:
* INC # I7: 2 # F1: 1,2 => UNS * DIS # I7: 2 # F1: 4 => CTR => F1: 1,2 * INC # I7: 2 + F1: 1,2 # H3: 3,5 => UNS * INC # I7: 2 + F1: 1,2 # I3: 3,5 => UNS * INC # I7: 2 + F1: 1,2 # I9: 3,5 => UNS * INC # I7: 2 + F1: 1,2 # I9: 6,8,9 => UNS * INC # I7: 2 + F1: 1,2 # A3: 1,2 => UNS * INC # I7: 2 + F1: 1,2 # B3: 1,2 => UNS * DIS # I7: 2 + F1: 1,2 # D3: 1,2 => CTR => D3: 3,9 * DIS # I7: 2 + F1: 1,2 + D3: 3,9 # F3: 1,2 => CTR => F3: 9 * INC # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 # A3: 1,2 => UNS * INC # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 # B3: 1,2 => UNS * DIS # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 # H8: 5,6 => CTR => H8: 3,8 * PRF # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 + H8: 3,8 # G9: 5,6 => SOL * STA # I7: 2 + F1: 1,2 + D3: 3,9 + F3: 9 + H8: 3,8 + G9: 5,6 * CNT 14 HDP CHAINS / 15 HYP OPENED