Analysis of xx-ph-00011140-22ky5-base.sdk
Contents
Original Sudoku
level: deep
position: 9876.....65....8............7..4..3..2...1.....97..5....85..6......2...4.....3.1. initial
Autosolve
position: 9876.....65....8............7..4..3..2...1.....97..5....85..6......2...4.....3.1. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000019
List of important HDP chains detected for F7,D9: 4..:
* DIS # F7: 4 # D4: 8,9 => CTR => D4: 2 * PRF # F7: 4 + D4: 2 # F4: 6,8 => SOL * STA # F7: 4 + D4: 2 + F4: 6,8 * CNT 2 HDP CHAINS / 23 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
| 9876.....65....8............7..4..3..2...1.....97..5....85..6......2...4.....3.1. | initial |
| 9876.....65....8............7..4..3..2...1.....97..5....85..6......2...4.....3.1. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (2) H8: 5,8 I9: 5,8 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E7,D8: 1.. / E7 = 1 => 4 pairs (_) / D8 = 1 => 3 pairs (_) I7,G8: 3.. / I7 = 3 => 3 pairs (_) / G8 = 3 => 2 pairs (_) F7,D9: 4.. / F7 = 4 => 4 pairs (_) / D9 = 4 => 4 pairs (_) F4,E5: 5.. / F4 = 5 => 5 pairs (_) / E5 = 5 => 3 pairs (_) H8,I9: 5.. / H8 = 5 => 2 pairs (_) / I9 = 5 => 1 pairs (_) H3,I3: 6.. / H3 = 6 => 2 pairs (_) / I3 = 6 => 2 pairs (_) F8,E9: 6.. / F8 = 6 => 3 pairs (_) / E9 = 6 => 4 pairs (_) H8,I9: 8.. / H8 = 8 => 1 pairs (_) / I9 = 8 => 2 pairs (_) * DURATION: 0:00:04.758001 START: 14:10:50.186933 END: 14:10:54.944934 2020-12-01 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F4,E5: 5.. / F4 = 5 ==> 5 pairs (_) / E5 = 5 ==> 3 pairs (_) F7,D9: 4.. / F7 = 4 ==> 0 pairs (*) / D9 = 4 => 0 pairs (X) * DURATION: 0:00:25.051525 START: 14:10:55.602322 END: 14:11:20.653847 2020-12-01 * REASONING F7,D9: 4.. * DIS # F7: 4 # D4: 8,9 => CTR => D4: 2 * PRF # F7: 4 + D4: 2 # F4: 6,8 => SOL * STA # F7: 4 + D4: 2 + F4: 6,8 * CNT 2 HDP CHAINS / 23 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
11140;22ky5;GP;22;11.30;11.30;3.40
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F4,E5: 5..:
* INC # F4: 5 # D2: 2,4 => UNS * INC # F4: 5 # F2: 2,4 => UNS * INC # F4: 5 # D3: 2,4 => UNS * INC # F4: 5 # F3: 2,4 => UNS * INC # F4: 5 # G1: 2,4 => UNS * INC # F4: 5 # H1: 2,4 => UNS * INC # F4: 5 # A6: 1,8 => UNS * INC # F4: 5 # A6: 3,4 => UNS * INC # F4: 5 # I4: 1,8 => UNS * INC # F4: 5 # I4: 2,6,9 => UNS * INC # F4: 5 # B6: 1,6 => UNS * INC # F4: 5 # B6: 3,4 => UNS * INC # F4: 5 # I4: 1,6 => UNS * INC # F4: 5 # I4: 2,8,9 => UNS * INC # F4: 5 # C8: 1,6 => UNS * INC # F4: 5 # C8: 3,5 => UNS * INC # F4: 5 => UNS * INC # E5: 5 # D2: 1,3 => UNS * INC # E5: 5 # E2: 1,3 => UNS * INC # E5: 5 # D3: 1,3 => UNS * INC # E5: 5 # E3: 1,3 => UNS * INC # E5: 5 # G1: 1,3 => UNS * INC # E5: 5 # I1: 1,3 => UNS * INC # E5: 5 => UNS * CNT 24 HDP CHAINS / 24 HYP OPENED
Full list of HDP chains traversed for F7,D9: 4..:
* INC # F7: 4 # F3: 2,5 => UNS * INC # F7: 4 # F3: 7,8,9 => UNS * INC # F7: 4 # H1: 2,5 => UNS * INC # F7: 4 # I1: 2,5 => UNS * INC # F7: 4 # F4: 2,5 => UNS * INC # F7: 4 # F4: 6,8,9 => UNS * INC # F7: 4 # D8: 8,9 => UNS * INC # F7: 4 # F8: 8,9 => UNS * INC # F7: 4 # E9: 8,9 => UNS * INC # F7: 4 # D3: 8,9 => UNS * DIS # F7: 4 # D4: 8,9 => CTR => D4: 2 * INC # F7: 4 + D4: 2 # D5: 8,9 => UNS * INC # F7: 4 + D4: 2 # D8: 8,9 => UNS * INC # F7: 4 + D4: 2 # F8: 8,9 => UNS * INC # F7: 4 + D4: 2 # E9: 8,9 => UNS * INC # F7: 4 + D4: 2 # D3: 8,9 => UNS * INC # F7: 4 + D4: 2 # D5: 8,9 => UNS * INC # F7: 4 + D4: 2 # F3: 2,5 => UNS * INC # F7: 4 + D4: 2 # F3: 7,8,9 => UNS * INC # F7: 4 + D4: 2 # H1: 2,5 => UNS * INC # F7: 4 + D4: 2 # I1: 2,5 => UNS * PRF # F7: 4 + D4: 2 # F4: 6,8 => SOL * STA # F7: 4 + D4: 2 + F4: 6,8 * CNT 22 HDP CHAINS / 23 HYP OPENED