Analysis of xx-ph-01683183-2015_08-base.sdk
Contents
Original Sudoku
level: deep
position: 98.36....5.....6...4.....8.3..5..7...2......8.....4.1...9.7.5.....95.........1..2 initial
Autosolve
position: 98.36....5.....6...4.....8.3..5..7...2......8.....4.1...9.7.5.....95.........1..2 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for B4,B6: 9..:
* DIS # B4: 9 # H5: 4,6 => CTR => H5: 3,5,9 * CNT 1 HDP CHAINS / 25 HYP OPENED
List of important HDP chains detected for G9,H9: 9..:
* DIS # G9: 9 # E6: 8,9 => CTR => E6: 2,3 * CNT 1 HDP CHAINS / 14 HYP OPENED
List of important HDP chains detected for G8,G9: 8..:
* DIS # G9: 8 # D7: 4,6 => CTR => D7: 2,8 * PRF # G9: 8 + D7: 2,8 # C3: 3,7 => SOL * STA # G9: 8 + D7: 2,8 + C3: 3,7 * CNT 2 HDP CHAINS / 4 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
| 98.36....5.....6...4.....8.3..5..7...2......8.....4.1...9.7.5.....95.........1..2 | initial |
| 98.36....5.....6...4.....8.3..5..7...2......8.....4.1...9.7.5.....95.........1..2 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H4,G6: 2.. / H4 = 2 => 1 pairs (_) / G6 = 2 => 1 pairs (_) D2,E2: 4.. / D2 = 4 => 1 pairs (_) / E2 = 4 => 1 pairs (_) E2,E9: 4.. / E2 = 4 => 1 pairs (_) / E9 = 4 => 1 pairs (_) F1,F3: 5.. / F1 = 5 => 0 pairs (_) / F3 = 5 => 1 pairs (_) H5,I6: 5.. / H5 = 5 => 0 pairs (_) / I6 = 5 => 1 pairs (_) B9,C9: 5.. / B9 = 5 => 0 pairs (_) / C9 = 5 => 1 pairs (_) F3,I3: 5.. / F3 = 5 => 1 pairs (_) / I3 = 5 => 0 pairs (_) C5,H5: 5.. / C5 = 5 => 1 pairs (_) / H5 = 5 => 0 pairs (_) B6,B9: 5.. / B6 = 5 => 1 pairs (_) / B9 = 5 => 0 pairs (_) H1,H5: 5.. / H1 = 5 => 1 pairs (_) / H5 = 5 => 0 pairs (_) A3,C3: 6.. / A3 = 6 => 1 pairs (_) / C3 = 6 => 0 pairs (_) G8,G9: 8.. / G8 = 8 => 0 pairs (_) / G9 = 8 => 2 pairs (_) B4,B6: 9.. / B4 = 9 => 1 pairs (_) / B6 = 9 => 2 pairs (_) G9,H9: 9.. / G9 = 9 => 2 pairs (_) / H9 = 9 => 0 pairs (_) * DURATION: 0:00:09.814169 START: 15:35:35.429749 END: 15:35:45.243918 2020-10-24 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B4,B6: 9.. / B4 = 9 ==> 1 pairs (_) / B6 = 9 ==> 2 pairs (_) G9,H9: 9.. / G9 = 9 ==> 3 pairs (_) / H9 = 9 ==> 0 pairs (_) G8,G9: 8.. / G8 = 8 => 0 pairs (X) / G9 = 8 ==> 0 pairs (*) * DURATION: 0:00:31.379291 START: 15:35:45.244662 END: 15:36:16.623953 2020-10-24 * REASONING B4,B6: 9.. * DIS # B4: 9 # H5: 4,6 => CTR => H5: 3,5,9 * CNT 1 HDP CHAINS / 25 HYP OPENED * REASONING G9,H9: 9.. * DIS # G9: 9 # E6: 8,9 => CTR => E6: 2,3 * CNT 1 HDP CHAINS / 14 HYP OPENED * REASONING G8,G9: 8.. * DIS # G9: 8 # D7: 4,6 => CTR => D7: 2,8 * PRF # G9: 8 + D7: 2,8 # C3: 3,7 => SOL * STA # G9: 8 + D7: 2,8 + C3: 3,7 * CNT 2 HDP CHAINS / 4 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
1683183;2015_08;col;22;11.40;11.40;2.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B4,B6: 9..:
* INC # B6: 9 # C4: 1,6 => UNS * INC # B6: 9 # A5: 1,6 => UNS * INC # B6: 9 # C5: 1,6 => UNS * INC # B6: 9 # B7: 1,6 => UNS * INC # B6: 9 # B8: 1,6 => UNS * INC # B6: 9 # E6: 2,3 => UNS * INC # B6: 9 # E6: 8 => UNS * INC # B6: 9 # G3: 2,3 => UNS * INC # B6: 9 # G3: 1,9 => UNS * INC # B6: 9 => UNS * INC # B4: 9 # H4: 4,6 => UNS * DIS # B4: 9 # H5: 4,6 => CTR => H5: 3,5,9 * INC # B4: 9 + H5: 3,5,9 # H4: 4,6 => UNS * INC # B4: 9 + H5: 3,5,9 # H4: 2 => UNS * INC # B4: 9 + H5: 3,5,9 # C4: 4,6 => UNS * INC # B4: 9 + H5: 3,5,9 # C4: 1,8 => UNS * INC # B4: 9 + H5: 3,5,9 # I7: 4,6 => UNS * INC # B4: 9 + H5: 3,5,9 # I8: 4,6 => UNS * INC # B4: 9 + H5: 3,5,9 # H4: 4,6 => UNS * INC # B4: 9 + H5: 3,5,9 # H4: 2 => UNS * INC # B4: 9 + H5: 3,5,9 # C4: 4,6 => UNS * INC # B4: 9 + H5: 3,5,9 # C4: 1,8 => UNS * INC # B4: 9 + H5: 3,5,9 # I7: 4,6 => UNS * INC # B4: 9 + H5: 3,5,9 # I8: 4,6 => UNS * INC # B4: 9 + H5: 3,5,9 => UNS * CNT 25 HDP CHAINS / 25 HYP OPENED
Full list of HDP chains traversed for G9,H9: 9..:
* INC # G9: 9 # H5: 3,4 => UNS * INC # G9: 9 # H5: 5,6,9 => UNS * INC # G9: 9 # E6: 2,3 => UNS * DIS # G9: 9 # E6: 8,9 => CTR => E6: 2,3 * INC # G9: 9 + E6: 2,3 # G3: 2,3 => UNS * INC # G9: 9 + E6: 2,3 # G3: 1 => UNS * INC # G9: 9 + E6: 2,3 # G3: 2,3 => UNS * INC # G9: 9 + E6: 2,3 # G3: 1 => UNS * INC # G9: 9 + E6: 2,3 # H5: 3,4 => UNS * INC # G9: 9 + E6: 2,3 # H5: 5,6,9 => UNS * INC # G9: 9 + E6: 2,3 # G3: 2,3 => UNS * INC # G9: 9 + E6: 2,3 # G3: 1 => UNS * INC # G9: 9 + E6: 2,3 => UNS * INC # H9: 9 => UNS * CNT 14 HDP CHAINS / 14 HYP OPENED
Full list of HDP chains traversed for G8,G9: 8..:
* DIS # G9: 8 # D7: 4,6 => CTR => D7: 2,8 * INC # G9: 8 + D7: 2,8 # C2: 3,7 => UNS * PRF # G9: 8 + D7: 2,8 # C3: 3,7 => SOL * STA # G9: 8 + D7: 2,8 + C3: 3,7 * CNT 3 HDP CHAINS / 4 HYP OPENED