Analysis of xx-ph-00050475-12_10-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7......9...5..98..57...8.6...4.3.......6.7...45...6.8....2....4......1.. initial
Autosolve
position: 98.76.5..7......9...5..98..57...8.6...4.3.......6.7...45...6.8....2....4......1.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for F1,H1: 4..:
* DIS # F1: 4 # D2: 1,3 => CTR => D2: 5,8 * DIS # F1: 4 + D2: 5,8 # E2: 1,2 => CTR => E2: 5,8 * DIS # F1: 4 + D2: 5,8 + E2: 5,8 # F2: 3 => CTR => F2: 1,2 * DIS # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # F8: 1 => CTR => F8: 3,5 * PRF # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 + F8: 3,5 # I9: 3,5 => SOL * STA # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 + F8: 3,5 + I9: 3,5 * CNT 5 HDP CHAINS / 25 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
| 98.76.5..7......9...5..98..57...8.6...4.3.......6.7...45...6.8....2....4......1.. | initial |
| 98.76.5..7......9...5..98..57...8.6...4.3.......6.7...45...6.8....2....4......1.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) B2,B3: 4.. / B2 = 4 => 0 pairs (_) / B3 = 4 => 2 pairs (_) F1,H1: 4.. / F1 = 4 => 3 pairs (_) / H1 = 4 => 0 pairs (_) A5,B5: 6.. / A5 = 6 => 0 pairs (_) / B5 = 6 => 0 pairs (_) G8,I9: 6.. / G8 = 6 => 0 pairs (_) / I9 = 6 => 2 pairs (_) G2,G8: 6.. / G2 = 6 => 2 pairs (_) / G8 = 6 => 0 pairs (_) H3,I3: 7.. / H3 = 7 => 1 pairs (_) / I3 = 7 => 0 pairs (_) D2,E2: 8.. / D2 = 8 => 0 pairs (_) / E2 = 8 => 0 pairs (_) I5,I6: 8.. / I5 = 8 => 0 pairs (_) / I6 = 8 => 0 pairs (_) A5,I5: 8.. / A5 = 8 => 0 pairs (_) / I5 = 8 => 0 pairs (_) D2,D9: 8.. / D2 = 8 => 0 pairs (_) / D9 = 8 => 0 pairs (_) * DURATION: 0:00:05.831845 START: 04:12:03.493886 END: 04:12:09.325731 2020-12-20 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F1,H1: 4.. / F1 = 4 ==> 0 pairs (*) / H1 = 4 => 0 pairs (X) * DURATION: 0:00:18.144981 START: 04:12:09.326250 END: 04:12:27.471231 2020-12-20 * REASONING F1,H1: 4.. * DIS # F1: 4 # D2: 1,3 => CTR => D2: 5,8 * DIS # F1: 4 + D2: 5,8 # E2: 1,2 => CTR => E2: 5,8 * DIS # F1: 4 + D2: 5,8 + E2: 5,8 # F2: 3 => CTR => F2: 1,2 * DIS # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # F8: 1 => CTR => F8: 3,5 * PRF # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 + F8: 3,5 # I9: 3,5 => SOL * STA # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 + F8: 3,5 + I9: 3,5 * CNT 5 HDP CHAINS / 25 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
50475;12_10;GP;25;11.30;11.30;7.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F1,H1: 4..:
* DIS # F1: 4 # D2: 1,3 => CTR => D2: 5,8 * INC # F1: 4 + D2: 5,8 # F2: 1,3 => UNS * INC # F1: 4 + D2: 5,8 # F2: 1,3 => UNS * INC # F1: 4 + D2: 5,8 # F2: 2,5 => UNS * INC # F1: 4 + D2: 5,8 # A3: 1,3 => UNS * INC # F1: 4 + D2: 5,8 # B3: 1,3 => UNS * INC # F1: 4 + D2: 5,8 # H3: 1,3 => UNS * INC # F1: 4 + D2: 5,8 # I3: 1,3 => UNS * INC # F1: 4 + D2: 5,8 # D7: 1,3 => UNS * INC # F1: 4 + D2: 5,8 # D7: 9 => UNS * DIS # F1: 4 + D2: 5,8 # E2: 1,2 => CTR => E2: 5,8 * INC # F1: 4 + D2: 5,8 + E2: 5,8 # F2: 1,2 => UNS * INC # F1: 4 + D2: 5,8 + E2: 5,8 # F2: 1,2 => UNS * DIS # F1: 4 + D2: 5,8 + E2: 5,8 # F2: 3 => CTR => F2: 1,2 * INC # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # A3: 1,2 => UNS * INC # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # B3: 1,2 => UNS * INC # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # H3: 1,2 => UNS * INC # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # I3: 1,2 => UNS * INC # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # E4: 1,2 => UNS * INC # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # E6: 1,2 => UNS * INC # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # F8: 3,5 => UNS * DIS # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 # F8: 1 => CTR => F8: 3,5 * INC # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 + F8: 3,5 # H9: 3,5 => UNS * PRF # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 + F8: 3,5 # I9: 3,5 => SOL * STA # F1: 4 + D2: 5,8 + E2: 5,8 + F2: 1,2 + F8: 3,5 + I9: 3,5 * CNT 24 HDP CHAINS / 25 HYP OPENED