Analysis of xx-ph-00001748-H345-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6...8......5..48..5....94....4.3..2.........1.6...89.....2...3.....1...7 initial
Autosolve
position: 98.7.....64..8......5..48..5....94....4.3..2.........1.6...89.....2...3.....1...7 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C4,C6: 6..:
* DIS # C4: 6 # H6: 7,8 => CTR => H6: 5,6,9 * CNT 1 HDP CHAINS / 15 HYP OPENED
List of important HDP chains detected for B8,B9: 5..:
* PRF # B8: 5 # E8: 6,7 => SOL * STA # B8: 5 + E8: 6,7 * CNT 1 HDP CHAINS / 2 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
| 98.7.....6...8......5..48..5....94....4.3..2.........1.6...89.....2...3.....1...7 | initial |
| 98.7.....64..8......5..48..5....94....4.3..2.........1.6...89.....2...3.....1...7 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H7,G8: 1.. / H7 = 1 => 1 pairs (_) / G8 = 1 => 1 pairs (_) I7,G9: 2.. / I7 = 2 => 1 pairs (_) / G9 = 2 => 1 pairs (_) I4,G6: 3.. / I4 = 3 => 0 pairs (_) / G6 = 3 => 1 pairs (_) H1,I1: 4.. / H1 = 4 => 1 pairs (_) / I1 = 4 => 1 pairs (_) D6,E6: 4.. / D6 = 4 => 1 pairs (_) / E6 = 4 => 1 pairs (_) B8,B9: 5.. / B8 = 5 => 2 pairs (_) / B9 = 5 => 2 pairs (_) C4,C6: 6.. / C4 = 6 => 4 pairs (_) / C6 = 6 => 0 pairs (_) I8,H9: 8.. / I8 = 8 => 1 pairs (_) / H9 = 8 => 1 pairs (_) I5,H6: 9.. / I5 = 9 => 1 pairs (_) / H6 = 9 => 0 pairs (_) E8,D9: 9.. / E8 = 9 => 1 pairs (_) / D9 = 9 => 0 pairs (_) B5,I5: 9.. / B5 = 9 => 0 pairs (_) / I5 = 9 => 1 pairs (_) E3,E8: 9.. / E3 = 9 => 0 pairs (_) / E8 = 9 => 1 pairs (_) * DURATION: 0:00:07.011588 START: 00:03:36.859443 END: 00:03:43.871031 2020-12-01 * CP COUNT: (12) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C4,C6: 6.. / C4 = 6 ==> 4 pairs (_) / C6 = 6 ==> 0 pairs (_) B8,B9: 5.. / B8 = 5 ==> 0 pairs (*) / B9 = 5 => 0 pairs (X) * DURATION: 0:00:15.545383 START: 00:03:43.871566 END: 00:03:59.416949 2020-12-01 * REASONING C4,C6: 6.. * DIS # C4: 6 # H6: 7,8 => CTR => H6: 5,6,9 * CNT 1 HDP CHAINS / 15 HYP OPENED * REASONING B8,B9: 5.. * PRF # B8: 5 # E8: 6,7 => SOL * STA # B8: 5 + E8: 6,7 * CNT 1 HDP CHAINS / 2 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
1748;H345;GP;22;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C4,C6: 6..:
* INC # C4: 6 # D5: 1,8 => UNS * INC # C4: 6 # D5: 5,6 => UNS * INC # C4: 6 # E6: 2,7 => UNS * INC # C4: 6 # F6: 2,7 => UNS * INC # C4: 6 # B4: 2,7 => UNS * INC # C4: 6 # B4: 1,3 => UNS * DIS # C4: 6 # H6: 7,8 => CTR => H6: 5,6,9 * INC # C4: 6 + H6: 5,6,9 # D5: 1,8 => UNS * INC # C4: 6 + H6: 5,6,9 # D5: 5,6 => UNS * INC # C4: 6 + H6: 5,6,9 # E6: 2,7 => UNS * INC # C4: 6 + H6: 5,6,9 # F6: 2,7 => UNS * INC # C4: 6 + H6: 5,6,9 # B4: 2,7 => UNS * INC # C4: 6 + H6: 5,6,9 # B4: 1,3 => UNS * INC # C4: 6 + H6: 5,6,9 => UNS * INC # C6: 6 => UNS * CNT 15 HDP CHAINS / 15 HYP OPENED
Full list of HDP chains traversed for B8,B9: 5..:
* PRF # B8: 5 # E8: 6,7 => SOL * STA # B8: 5 + E8: 6,7 * CNT 1 HDP CHAINS / 2 HYP OPENED