Analysis of xx-ph-02489372-2019_08_05_a-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7..5...9...5.....684.........987..6......3...2......83..839..5.......1.. initial
Autosolve
position: 98.76.5..7..5...9...5.....684.........987..6......3...2......83..839..5.......1.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for C1,H1: 3..:
* DIS # C1: 3 # H3: 1,4 => CTR => H3: 2,3,7 * DIS # C1: 3 + H3: 2,3,7 # I6: 2,4 => CTR => I6: 1,5,7,8,9 * PRF # C1: 3 + H3: 2,3,7 + I6: 1,5,7,8,9 # G3: 2,4 => SOL * STA # C1: 3 + H3: 2,3,7 + I6: 1,5,7,8,9 + G3: 2,4 * CNT 3 HDP CHAINS / 31 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..5...9...5.....684.........987..6......3...2......83..839..5.......1.. | initial |
| 98.76.5..7..5...9...5.....684.........987..6......3...2......83..839..5.......1.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E2,E3: 3.. / E2 = 3 => 0 pairs (_) / E3 = 3 => 2 pairs (_) C1,H1: 3.. / C1 = 3 => 5 pairs (_) / H1 = 3 => 0 pairs (_) B2,C2: 6.. / B2 = 6 => 1 pairs (_) / C2 = 6 => 0 pairs (_) G7,G8: 6.. / G7 = 6 => 1 pairs (_) / G8 = 6 => 2 pairs (_) G3,H3: 7.. / G3 = 7 => 0 pairs (_) / H3 = 7 => 1 pairs (_) G6,I6: 8.. / G6 = 8 => 0 pairs (_) / I6 = 8 => 0 pairs (_) E9,F9: 8.. / E9 = 8 => 0 pairs (_) / F9 = 8 => 2 pairs (_) I2,I6: 8.. / I2 = 8 => 0 pairs (_) / I6 = 8 => 0 pairs (_) D3,F3: 9.. / D3 = 9 => 4 pairs (_) / F3 = 9 => 0 pairs (_) B7,B9: 9.. / B7 = 9 => 0 pairs (_) / B9 = 9 => 2 pairs (_) G7,I9: 9.. / G7 = 9 => 2 pairs (_) / I9 = 9 => 0 pairs (_) B7,G7: 9.. / B7 = 9 => 0 pairs (_) / G7 = 9 => 2 pairs (_) B9,I9: 9.. / B9 = 9 => 2 pairs (_) / I9 = 9 => 0 pairs (_) F3,F4: 9.. / F3 = 9 => 0 pairs (_) / F4 = 9 => 4 pairs (_) * DURATION: 0:00:08.839602 START: 13:02:17.016982 END: 13:02:25.856584 2020-10-25 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,H1: 3.. / C1 = 3 ==> 0 pairs (*) / H1 = 3 => 0 pairs (X) * DURATION: 0:00:25.610833 START: 13:02:25.857228 END: 13:02:51.468061 2020-10-25 * REASONING C1,H1: 3.. * DIS # C1: 3 # H3: 1,4 => CTR => H3: 2,3,7 * DIS # C1: 3 + H3: 2,3,7 # I6: 2,4 => CTR => I6: 1,5,7,8,9 * PRF # C1: 3 + H3: 2,3,7 + I6: 1,5,7,8,9 # G3: 2,4 => SOL * STA # C1: 3 + H3: 2,3,7 + I6: 1,5,7,8,9 + G3: 2,4 * CNT 3 HDP CHAINS / 31 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2489372;2019_08_05_a;PAQ;25;11.40;11.40;10.00
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,H1: 3..:
* INC # C1: 3 # C2: 1,4 => UNS * INC # C1: 3 # C2: 2,6 => UNS * INC # C1: 3 # D3: 1,4 => UNS * INC # C1: 3 # E3: 1,4 => UNS * INC # C1: 3 # F3: 1,4 => UNS * DIS # C1: 3 # H3: 1,4 => CTR => H3: 2,3,7 * INC # C1: 3 + H3: 2,3,7 # A8: 1,4 => UNS * INC # C1: 3 + H3: 2,3,7 # A8: 6 => UNS * INC # C1: 3 + H3: 2,3,7 # C2: 1,4 => UNS * INC # C1: 3 + H3: 2,3,7 # C2: 2,6 => UNS * INC # C1: 3 + H3: 2,3,7 # D3: 1,4 => UNS * INC # C1: 3 + H3: 2,3,7 # E3: 1,4 => UNS * INC # C1: 3 + H3: 2,3,7 # F3: 1,4 => UNS * INC # C1: 3 + H3: 2,3,7 # A8: 1,4 => UNS * INC # C1: 3 + H3: 2,3,7 # A8: 6 => UNS * INC # C1: 3 + H3: 2,3,7 # B2: 1,2 => UNS * INC # C1: 3 + H3: 2,3,7 # C2: 1,2 => UNS * INC # C1: 3 + H3: 2,3,7 # D3: 1,2 => UNS * INC # C1: 3 + H3: 2,3,7 # E3: 1,2 => UNS * INC # C1: 3 + H3: 2,3,7 # F3: 1,2 => UNS * INC # C1: 3 + H3: 2,3,7 # B5: 1,2 => UNS * INC # C1: 3 + H3: 2,3,7 # B6: 1,2 => UNS * INC # C1: 3 + H3: 2,3,7 # I5: 2,4 => UNS * INC # C1: 3 + H3: 2,3,7 # G6: 2,4 => UNS * INC # C1: 3 + H3: 2,3,7 # H6: 2,4 => UNS * DIS # C1: 3 + H3: 2,3,7 # I6: 2,4 => CTR => I6: 1,5,7,8,9 * INC # C1: 3 + H3: 2,3,7 + I6: 1,5,7,8,9 # F5: 2,4 => UNS * INC # C1: 3 + H3: 2,3,7 + I6: 1,5,7,8,9 # F5: 1,5 => UNS * INC # C1: 3 + H3: 2,3,7 + I6: 1,5,7,8,9 # G2: 2,4 => UNS * PRF # C1: 3 + H3: 2,3,7 + I6: 1,5,7,8,9 # G3: 2,4 => SOL * STA # C1: 3 + H3: 2,3,7 + I6: 1,5,7,8,9 + G3: 2,4 * CNT 30 HDP CHAINS / 31 HYP OPENED