Analysis of xx-ph-02237065-2019_01_07-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7.4.......5..8.97.3......2..9..5.6....5.....1.2..........6.82......2..59 initial
Autosolve
position: 98.76.5..7.4.......5..8.97.3......25.9..5.6....5....91.2.......5..6.82......2..59 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000013
List of important HDP chains detected for C8,E8: 9..:
* DIS # E8: 9 # B2: 1,3 => CTR => B2: 6 * DIS # E8: 9 + B2: 6 # H2: 1,3 => CTR => H2: 8 * DIS # E8: 9 + B2: 6 + H2: 8 # I5: 3,4 => CTR => I5: 7,8 * DIS # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 # I7: 3,4 => CTR => I7: 7,8 * PRF # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 + I7: 7,8 # H1: 1 => SOL * STA # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 + I7: 7,8 + H1: 1 * CNT 5 HDP CHAINS / 20 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..7.4.......5..8.97.3......2..9..5.6....5.....1.2..........6.82......2..59 | initial |
| 98.76.5..7.4.......5..8.97.3......25.9..5.6....5....91.2.......5..6.82......2..59 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D2,F2: 5.. / D2 = 5 => 0 pairs (_) / F2 = 5 => 0 pairs (_) D7,F7: 5.. / D7 = 5 => 0 pairs (_) / F7 = 5 => 0 pairs (_) D2,D7: 5.. / D2 = 5 => 0 pairs (_) / D7 = 5 => 0 pairs (_) F2,F7: 5.. / F2 = 5 => 0 pairs (_) / F7 = 5 => 0 pairs (_) F4,F6: 6.. / F4 = 6 => 2 pairs (_) / F6 = 6 => 1 pairs (_) H7,I7: 6.. / H7 = 6 => 0 pairs (_) / I7 = 6 => 1 pairs (_) H2,H7: 6.. / H2 = 6 => 1 pairs (_) / H7 = 6 => 0 pairs (_) C7,C8: 9.. / C7 = 9 => 4 pairs (_) / C8 = 9 => 0 pairs (_) C8,E8: 9.. / C8 = 9 => 0 pairs (_) / E8 = 9 => 4 pairs (_) * DURATION: 0:00:09.631137 START: 20:16:57.094972 END: 20:17:06.726109 2020-11-19 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C8,E8: 9.. / C8 = 9 => 0 pairs (X) / E8 = 9 ==> 0 pairs (*) * DURATION: 0:00:29.616863 START: 20:17:06.726978 END: 20:17:36.343841 2020-11-19 * REASONING C8,E8: 9.. * DIS # E8: 9 # B2: 1,3 => CTR => B2: 6 * DIS # E8: 9 + B2: 6 # H2: 1,3 => CTR => H2: 8 * DIS # E8: 9 + B2: 6 + H2: 8 # I5: 3,4 => CTR => I5: 7,8 * DIS # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 # I7: 3,4 => CTR => I7: 7,8 * PRF # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 + I7: 7,8 # H1: 1 => SOL * STA # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 + I7: 7,8 + H1: 1 * CNT 5 HDP CHAINS / 20 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2237065;2019_01_07;PAQ;25;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C8,E8: 9..:
* INC # E8: 9 # F1: 1,3 => UNS * INC # E8: 9 # D3: 1,3 => UNS * INC # E8: 9 # F3: 1,3 => UNS * DIS # E8: 9 # B2: 1,3 => CTR => B2: 6 * INC # E8: 9 + B2: 6 # G2: 1,3 => UNS * DIS # E8: 9 + B2: 6 # H2: 1,3 => CTR => H2: 8 * INC # E8: 9 + B2: 6 + H2: 8 # E7: 1,3 => UNS * INC # E8: 9 + B2: 6 + H2: 8 # E7: 4,7 => UNS * INC # E8: 9 + B2: 6 + H2: 8 # F1: 1,3 => UNS * INC # E8: 9 + B2: 6 + H2: 8 # D3: 1,3 => UNS * INC # E8: 9 + B2: 6 + H2: 8 # F3: 1,3 => UNS * INC # E8: 9 + B2: 6 + H2: 8 # E7: 1,3 => UNS * INC # E8: 9 + B2: 6 + H2: 8 # E7: 4,7 => UNS * INC # E8: 9 + B2: 6 + H2: 8 # H1: 3,4 => UNS * INC # E8: 9 + B2: 6 + H2: 8 # H1: 1 => UNS * DIS # E8: 9 + B2: 6 + H2: 8 # I5: 3,4 => CTR => I5: 7,8 * DIS # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 # I7: 3,4 => CTR => I7: 7,8 * INC # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 + I7: 7,8 # H1: 3,4 => UNS * PRF # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 + I7: 7,8 # H1: 1 => SOL * STA # E8: 9 + B2: 6 + H2: 8 + I5: 7,8 + I7: 7,8 + H1: 1 * CNT 19 HDP CHAINS / 20 HYP OPENED