Analysis of xx-ph-00033122-2012_04-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6...5.8....4....3..9..6.5....2..1..4.......2..7.8..6......9.........3..1 initial
Autosolve
position: 98.7.....6...5.8....4....3..9..6.5....2..1..4.......2..7.8..6......9.........3..1 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for D4,F4: 2..:
* DIS # F4: 2 # D2: 4,9 => CTR => D2: 1,2,3 * DIS # F4: 2 + D2: 1,2,3 # F6: 4,9 => CTR => F6: 5,7,8 * PRF # F4: 2 + D2: 1,2,3 + F6: 5,7,8 # H2: 1,7 => SOL * STA # F4: 2 + D2: 1,2,3 + F6: 5,7,8 + H2: 1,7 * CNT 3 HDP CHAINS / 11 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.....6...5.8....4....3..9..6.5....2..1..4.......2..7.8..6......9.........3..1 | initial |
| 98.7.....6...5.8....4....3..9..6.5....2..1..4.......2..7.8..6......9.........3..1 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H4,G6: 1.. / H4 = 1 => 0 pairs (_) / G6 = 1 => 2 pairs (_) E7,D8: 1.. / E7 = 1 => 1 pairs (_) / D8 = 1 => 1 pairs (_) D4,F4: 2.. / D4 = 2 => 0 pairs (_) / F4 = 2 => 4 pairs (_) E1,D2: 3.. / E1 = 3 => 2 pairs (_) / D2 = 3 => 4 pairs (_) C1,E1: 3.. / C1 = 3 => 4 pairs (_) / E1 = 3 => 2 pairs (_) H5,I6: 6.. / H5 = 6 => 1 pairs (_) / I6 = 6 => 2 pairs (_) B5,H5: 6.. / B5 = 6 => 2 pairs (_) / H5 = 6 => 1 pairs (_) H1,H5: 6.. / H1 = 6 => 2 pairs (_) / H5 = 6 => 1 pairs (_) C2,A3: 7.. / C2 = 7 => 1 pairs (_) / A3 = 7 => 1 pairs (_) F8,E9: 7.. / F8 = 7 => 1 pairs (_) / E9 = 7 => 1 pairs (_) E3,F3: 8.. / E3 = 8 => 1 pairs (_) / F3 = 8 => 1 pairs (_) C7,C9: 9.. / C7 = 9 => 1 pairs (_) / C9 = 9 => 0 pairs (_) * DURATION: 0:00:06.848829 START: 06:17:37.527393 END: 06:17:44.376222 2020-12-12 * CP COUNT: (12) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,E1: 3.. / C1 = 3 ==> 4 pairs (_) / E1 = 3 ==> 2 pairs (_) E1,D2: 3.. / E1 = 3 ==> 2 pairs (_) / D2 = 3 ==> 4 pairs (_) D4,F4: 2.. / D4 = 2 => 0 pairs (X) / F4 = 2 ==> 0 pairs (*) * DURATION: 0:00:38.131007 START: 06:17:44.376787 END: 06:18:22.507794 2020-12-12 * REASONING D4,F4: 2.. * DIS # F4: 2 # D2: 4,9 => CTR => D2: 1,2,3 * DIS # F4: 2 + D2: 1,2,3 # F6: 4,9 => CTR => F6: 5,7,8 * PRF # F4: 2 + D2: 1,2,3 + F6: 5,7,8 # H2: 1,7 => SOL * STA # F4: 2 + D2: 1,2,3 + F6: 5,7,8 + H2: 1,7 * CNT 3 HDP CHAINS / 11 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
33122;2012_04;GP;21;11.30;11.30;10.40
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,E1: 3..:
* INC # C1: 3 # A3: 1,2 => UNS * INC # C1: 3 # B3: 1,2 => UNS * INC # C1: 3 # B8: 1,2 => UNS * INC # C1: 3 # B8: 3,4,5,6 => UNS * INC # C1: 3 # A3: 1,7 => UNS * INC # C1: 3 # A3: 2,5 => UNS * INC # C1: 3 # H2: 1,7 => UNS * INC # C1: 3 # H2: 4,9 => UNS * INC # C1: 3 # C4: 1,7 => UNS * INC # C1: 3 # C6: 1,7 => UNS * INC # C1: 3 # F4: 2,4 => UNS * INC # C1: 3 # F4: 7,8 => UNS * INC # C1: 3 # D8: 2,4 => UNS * INC # C1: 3 # D9: 2,4 => UNS * INC # C1: 3 # D6: 5,9 => UNS * INC # C1: 3 # F6: 5,9 => UNS * INC # C1: 3 => UNS * INC # E1: 3 # A3: 1,5 => UNS * INC # E1: 3 # B3: 1,5 => UNS * INC # E1: 3 # H1: 1,5 => UNS * INC # E1: 3 # H1: 4,6 => UNS * INC # E1: 3 # C6: 1,5 => UNS * INC # E1: 3 # C7: 1,5 => UNS * INC # E1: 3 # C8: 1,5 => UNS * INC # E1: 3 # F4: 7,8 => UNS * INC # E1: 3 # E6: 7,8 => UNS * INC # E1: 3 # F6: 7,8 => UNS * INC # E1: 3 # A5: 7,8 => UNS * INC # E1: 3 # H5: 7,8 => UNS * INC # E1: 3 => UNS * CNT 30 HDP CHAINS / 30 HYP OPENED
Full list of HDP chains traversed for E1,D2: 3..:
* INC # D2: 3 # A3: 1,2 => UNS * INC # D2: 3 # B3: 1,2 => UNS * INC # D2: 3 # B8: 1,2 => UNS * INC # D2: 3 # B8: 3,4,5,6 => UNS * INC # D2: 3 # A3: 1,7 => UNS * INC # D2: 3 # A3: 2,5 => UNS * INC # D2: 3 # H2: 1,7 => UNS * INC # D2: 3 # H2: 4,9 => UNS * INC # D2: 3 # C4: 1,7 => UNS * INC # D2: 3 # C6: 1,7 => UNS * INC # D2: 3 # F4: 2,4 => UNS * INC # D2: 3 # F4: 7,8 => UNS * INC # D2: 3 # D8: 2,4 => UNS * INC # D2: 3 # D9: 2,4 => UNS * INC # D2: 3 # D6: 5,9 => UNS * INC # D2: 3 # F6: 5,9 => UNS * INC # D2: 3 => UNS * INC # E1: 3 # A3: 1,5 => UNS * INC # E1: 3 # B3: 1,5 => UNS * INC # E1: 3 # H1: 1,5 => UNS * INC # E1: 3 # H1: 4,6 => UNS * INC # E1: 3 # C6: 1,5 => UNS * INC # E1: 3 # C7: 1,5 => UNS * INC # E1: 3 # C8: 1,5 => UNS * INC # E1: 3 # F4: 7,8 => UNS * INC # E1: 3 # E6: 7,8 => UNS * INC # E1: 3 # F6: 7,8 => UNS * INC # E1: 3 # A5: 7,8 => UNS * INC # E1: 3 # H5: 7,8 => UNS * INC # E1: 3 => UNS * CNT 30 HDP CHAINS / 30 HYP OPENED
Full list of HDP chains traversed for D4,F4: 2..:
* INC # F4: 2 # H1: 4,6 => UNS * INC # F4: 2 # H1: 1,5 => UNS * INC # F4: 2 # F8: 4,6 => UNS * INC # F4: 2 # F8: 5,7 => UNS * DIS # F4: 2 # D2: 4,9 => CTR => D2: 1,2,3 * INC # F4: 2 + D2: 1,2,3 # H2: 4,9 => UNS * INC # F4: 2 + D2: 1,2,3 # H2: 1,7 => UNS * DIS # F4: 2 + D2: 1,2,3 # F6: 4,9 => CTR => F6: 5,7,8 * INC # F4: 2 + D2: 1,2,3 + F6: 5,7,8 # H2: 4,9 => UNS * PRF # F4: 2 + D2: 1,2,3 + F6: 5,7,8 # H2: 1,7 => SOL * STA # F4: 2 + D2: 1,2,3 + F6: 5,7,8 + H2: 1,7 * CNT 10 HDP CHAINS / 11 HYP OPENED