Analysis of xx-ph-02717876-2019_08_1120_160-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7..8..6...5...9...8....74....348.......6...8.4...7.9...2.9...1.........5 initial
Autosolve
position: 98.76.5..7..8..6...5...9...8....74....348.......6...8.4...7.9...2.9...1.........5 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000009
List of important HDP chains detected for B2,B6: 4..:
* DIS # B2: 4 # E2: 1,2 => CTR => E2: 3,5 * DIS # B2: 4 + E2: 3,5 # F2: 1,2 => CTR => F2: 3,5 * DIS # B2: 4 + E2: 3,5 + F2: 3,5 # D4: 1,2 => CTR => D4: 3,5 * PRF # B2: 4 + E2: 3,5 + F2: 3,5 + D4: 3,5 # D7: 1,2 => SOL * STA # B2: 4 + E2: 3,5 + F2: 3,5 + D4: 3,5 + D7: 1,2 * CNT 4 HDP CHAINS / 16 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..8..6...5...9...8....74....348.......6...8.4...7.9...2.9...1.........5 | initial |
| 98.76.5..7..8..6...5...9...8....74....348.......6...8.4...7.9...2.9...1.........5 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) B2,A3: 3.. / B2 = 3 => 1 pairs (_) / A3 = 3 => 4 pairs (_) B6,C6: 4.. / B6 = 4 => 1 pairs (_) / C6 = 4 => 7 pairs (_) I8,H9: 4.. / I8 = 4 => 1 pairs (_) / H9 = 4 => 1 pairs (_) B2,B6: 4.. / B2 = 4 => 7 pairs (_) / B6 = 4 => 1 pairs (_) E2,F2: 5.. / E2 = 5 => 1 pairs (_) / F2 = 5 => 1 pairs (_) H4,H5: 5.. / H4 = 5 => 1 pairs (_) / H5 = 5 => 1 pairs (_) D4,D7: 5.. / D4 = 5 => 1 pairs (_) / D7 = 5 => 1 pairs (_) A3,C3: 6.. / A3 = 6 => 3 pairs (_) / C3 = 6 => 0 pairs (_) G3,I3: 8.. / G3 = 8 => 1 pairs (_) / I3 = 8 => 0 pairs (_) H2,I2: 9.. / H2 = 9 => 0 pairs (_) / I2 = 9 => 2 pairs (_) E4,E6: 9.. / E4 = 9 => 2 pairs (_) / E6 = 9 => 0 pairs (_) B9,C9: 9.. / B9 = 9 => 1 pairs (_) / C9 = 9 => 0 pairs (_) * DURATION: 0:00:07.185567 START: 18:40:58.594354 END: 18:41:05.779921 2020-10-15 * CP COUNT: (12) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B2,B6: 4.. / B2 = 4 ==> 0 pairs (*) / B6 = 4 => 0 pairs (X) * DURATION: 0:00:17.031540 START: 18:41:05.780474 END: 18:41:22.812014 2020-10-15 * REASONING B2,B6: 4.. * DIS # B2: 4 # E2: 1,2 => CTR => E2: 3,5 * DIS # B2: 4 + E2: 3,5 # F2: 1,2 => CTR => F2: 3,5 * DIS # B2: 4 + E2: 3,5 + F2: 3,5 # D4: 1,2 => CTR => D4: 3,5 * PRF # B2: 4 + E2: 3,5 + F2: 3,5 + D4: 3,5 # D7: 1,2 => SOL * STA # B2: 4 + E2: 3,5 + F2: 3,5 + D4: 3,5 + D7: 1,2 * CNT 4 HDP CHAINS / 16 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2717876;2019_08_1120_160;PAQ;25;11.50;11.50;9.50
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B2,B6: 4..:
* INC # B2: 4 # F1: 1,2 => UNS * INC # B2: 4 # I1: 1,2 => UNS * DIS # B2: 4 # E2: 1,2 => CTR => E2: 3,5 * DIS # B2: 4 + E2: 3,5 # F2: 1,2 => CTR => F2: 3,5 * INC # B2: 4 + E2: 3,5 + F2: 3,5 # I2: 1,2 => UNS * INC # B2: 4 + E2: 3,5 + F2: 3,5 # I2: 1,2 => UNS * INC # B2: 4 + E2: 3,5 + F2: 3,5 # I2: 9 => UNS * INC # B2: 4 + E2: 3,5 + F2: 3,5 # I2: 1,2 => UNS * INC # B2: 4 + E2: 3,5 + F2: 3,5 # I2: 9 => UNS * INC # B2: 4 + E2: 3,5 + F2: 3,5 # F1: 1,2 => UNS * INC # B2: 4 + E2: 3,5 + F2: 3,5 # E3: 1,2 => UNS * INC # B2: 4 + E2: 3,5 + F2: 3,5 # G3: 1,2 => UNS * INC # B2: 4 + E2: 3,5 + F2: 3,5 # I3: 1,2 => UNS * DIS # B2: 4 + E2: 3,5 + F2: 3,5 # D4: 1,2 => CTR => D4: 3,5 * PRF # B2: 4 + E2: 3,5 + F2: 3,5 + D4: 3,5 # D7: 1,2 => SOL * STA # B2: 4 + E2: 3,5 + F2: 3,5 + D4: 3,5 + D7: 1,2 * CNT 15 HDP CHAINS / 16 HYP OPENED