Analysis of xx-ph-00840578-13_01-base.sdk
Contents
Original Sudoku
level: deep
position: ........1.....2.3...4.5.6......3......3....4567...43.....8.9.....7.4.59.9.6.754.. initial
Autosolve
position: ...4...51.....2.34..4.5.6......3......3....4567...43.....8.9.....7.4.59.9.6.754.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C6,D6: 5..:
* DIS # C6: 5 # E7: 1,2 => CTR => E7: 6 * DIS # C6: 5 + E7: 6 # H7: 1,2 => CTR => H7: 7 * DIS # C6: 5 + E7: 6 + H7: 7 # I3: 2,8 => CTR => I3: 7,9 * DIS # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 # I4: 2,8 => CTR => I4: 7,9 * PRF # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 + I4: 7,9 # H9: 1 => SOL * STA # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 + I4: 7,9 + H9: 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
| ........1.....2.3...4.5.6......3......3....4567...43.....8.9.....7.4.59.9.6.754.. | initial |
| ...4...51.....2.34..4.5.6......3......3....4567...43.....8.9.....7.4.59.9.6.754.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A4,B4: 4.. / A4 = 4 => 0 pairs (_) / B4 = 4 => 0 pairs (_) A7,B7: 4.. / A7 = 4 => 0 pairs (_) / B7 = 4 => 0 pairs (_) A4,A7: 4.. / A4 = 4 => 0 pairs (_) / A7 = 4 => 0 pairs (_) B4,B7: 4.. / B4 = 4 => 0 pairs (_) / B7 = 4 => 0 pairs (_) D4,D6: 5.. / D4 = 5 => 4 pairs (_) / D6 = 5 => 0 pairs (_) C6,D6: 5.. / C6 = 5 => 4 pairs (_) / D6 = 5 => 0 pairs (_) B1,B2: 6.. / B1 = 6 => 1 pairs (_) / B2 = 6 => 2 pairs (_) H4,I4: 6.. / H4 = 6 => 0 pairs (_) / I4 = 6 => 1 pairs (_) H4,H7: 6.. / H4 = 6 => 0 pairs (_) / H7 = 6 => 1 pairs (_) * DURATION: 0:00:06.114948 START: 06:12:26.661851 END: 06:12:32.776799 2021-01-01 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C6,D6: 5.. / C6 = 5 ==> 0 pairs (*) / D6 = 5 => 0 pairs (X) * DURATION: 0:00:18.690581 START: 06:12:32.777402 END: 06:12:51.467983 2021-01-01 * REASONING C6,D6: 5.. * DIS # C6: 5 # E7: 1,2 => CTR => E7: 6 * DIS # C6: 5 + E7: 6 # H7: 1,2 => CTR => H7: 7 * DIS # C6: 5 + E7: 6 + H7: 7 # I3: 2,8 => CTR => I3: 7,9 * DIS # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 # I4: 2,8 => CTR => I4: 7,9 * PRF # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 + I4: 7,9 # H9: 1 => SOL * STA # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 + I4: 7,9 + H9: 1 * CNT 5 HDP CHAINS / 20 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
840578;13_01;DOB;25;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C6,D6: 5..:
* INC # C6: 5 # A8: 1,2 => UNS * INC # C6: 5 # B8: 1,2 => UNS * INC # C6: 5 # B9: 1,2 => UNS * DIS # C6: 5 # E7: 1,2 => CTR => E7: 6 * INC # C6: 5 + E7: 6 # G7: 1,2 => UNS * DIS # C6: 5 + E7: 6 # H7: 1,2 => CTR => H7: 7 * INC # C6: 5 + E7: 6 + H7: 7 # C4: 1,2 => UNS * INC # C6: 5 + E7: 6 + H7: 7 # C4: 8,9 => UNS * INC # C6: 5 + E7: 6 + H7: 7 # A8: 1,2 => UNS * INC # C6: 5 + E7: 6 + H7: 7 # B8: 1,2 => UNS * INC # C6: 5 + E7: 6 + H7: 7 # B9: 1,2 => UNS * INC # C6: 5 + E7: 6 + H7: 7 # C4: 1,2 => UNS * INC # C6: 5 + E7: 6 + H7: 7 # C4: 8,9 => UNS * INC # C6: 5 + E7: 6 + H7: 7 # H9: 2,8 => UNS * INC # C6: 5 + E7: 6 + H7: 7 # H9: 1 => UNS * DIS # C6: 5 + E7: 6 + H7: 7 # I3: 2,8 => CTR => I3: 7,9 * DIS # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 # I4: 2,8 => CTR => I4: 7,9 * INC # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 + I4: 7,9 # H9: 2,8 => UNS * PRF # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 + I4: 7,9 # H9: 1 => SOL * STA # C6: 5 + E7: 6 + H7: 7 + I3: 7,9 + I4: 7,9 + H9: 1 * CNT 19 HDP CHAINS / 20 HYP OPENED