Analysis of xx-ph-00039077-12_07-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6....7.5.........9.7.4....59....59...6.....4...33....2..1.1....2....85...9. initial
Autosolve
position: 98.7..6....7.5...9.....9.7.4....59....59...6.....4...33....2..1.1....2....85...9. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000005
List of important HDP chains detected for I1,I8: 5..:
* DIS # I8: 5 # A6: 6,7 => CTR => A6: 1,2,8 * PRF # I8: 5 + A6: 1,2,8 # E8: 3,8,9 => SOL * STA # I8: 5 + A6: 1,2,8 + E8: 3,8,9 * CNT 2 HDP CHAINS / 12 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....7.5.........9.7.4....59....59...6.....4...33....2..1.1....2....85...9. | initial |
| 98.7..6....7.5...9.....9.7.4....59....59...6.....4...33....2..1.1....2....85...9. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E9,F9: 1.. / E9 = 1 => 1 pairs (_) / F9 = 1 => 1 pairs (_) A9,B9: 2.. / A9 = 2 => 1 pairs (_) / B9 = 2 => 2 pairs (_) H8,G9: 3.. / H8 = 3 => 3 pairs (_) / G9 = 3 => 0 pairs (_) G5,I5: 4.. / G5 = 4 => 1 pairs (_) / I5 = 4 => 3 pairs (_) A3,B3: 5.. / A3 = 5 => 2 pairs (_) / B3 = 5 => 0 pairs (_) H1,I1: 5.. / H1 = 5 => 4 pairs (_) / I1 = 5 => 0 pairs (_) G6,H6: 5.. / G6 = 5 => 0 pairs (_) / H6 = 5 => 1 pairs (_) B7,A8: 5.. / B7 = 5 => 2 pairs (_) / A8 = 5 => 0 pairs (_) A3,A8: 5.. / A3 = 5 => 2 pairs (_) / A8 = 5 => 0 pairs (_) B3,B7: 5.. / B3 = 5 => 0 pairs (_) / B7 = 5 => 2 pairs (_) G6,G7: 5.. / G6 = 5 => 0 pairs (_) / G7 = 5 => 1 pairs (_) I1,I8: 5.. / I1 = 5 => 0 pairs (_) / I8 = 5 => 4 pairs (_) I8,I9: 6.. / I8 = 6 => 3 pairs (_) / I9 = 6 => 1 pairs (_) A5,A6: 8.. / A5 = 8 => 0 pairs (_) / A6 = 8 => 0 pairs (_) B6,C6: 9.. / B6 = 9 => 0 pairs (_) / C6 = 9 => 7 pairs (_) E7,E8: 9.. / E7 = 9 => 1 pairs (_) / E8 = 9 => 1 pairs (_) C8,E8: 9.. / C8 = 9 => 1 pairs (_) / E8 = 9 => 1 pairs (_) B6,B7: 9.. / B6 = 9 => 0 pairs (_) / B7 = 9 => 7 pairs (_) * DURATION: 0:00:12.370895 START: 23:17:22.739766 END: 23:17:35.110661 2020-12-17 * CP COUNT: (18) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B6,B7: 9.. / B6 = 9 ==> 0 pairs (_) / B7 = 9 ==> 7 pairs (_) B6,C6: 9.. / B6 = 9 ==> 0 pairs (_) / C6 = 9 ==> 7 pairs (_) I1,I8: 5.. / I1 = 5 => 0 pairs (X) / I8 = 5 ==> 0 pairs (*) * DURATION: 0:00:53.460698 START: 23:17:35.111206 END: 23:18:28.571904 2020-12-17 * REASONING I1,I8: 5.. * DIS # I8: 5 # A6: 6,7 => CTR => A6: 1,2,8 * PRF # I8: 5 + A6: 1,2,8 # E8: 3,8,9 => SOL * STA # I8: 5 + A6: 1,2,8 + E8: 3,8,9 * CNT 2 HDP CHAINS / 12 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
39077;12_07;GP;24;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B6,B7: 9..:
* INC # B7: 9 # A5: 1,2 => UNS * INC # B7: 9 # A6: 1,2 => UNS * INC # B7: 9 # D4: 1,2 => UNS * INC # B7: 9 # E4: 1,2 => UNS * INC # B7: 9 # H4: 1,2 => UNS * INC # B7: 9 # C1: 1,2 => UNS * INC # B7: 9 # C3: 1,2 => UNS * INC # B7: 9 # D7: 4,6 => UNS * INC # B7: 9 # D7: 8 => UNS * INC # B7: 9 # D8: 4,6 => UNS * INC # B7: 9 # F8: 4,6 => UNS * INC # B7: 9 # I8: 4,6 => UNS * INC # B7: 9 # A5: 2,7 => UNS * INC # B7: 9 # A6: 2,7 => UNS * INC # B7: 9 # B4: 2,7 => UNS * INC # B7: 9 # B5: 2,7 => UNS * INC # B7: 9 # B6: 2,7 => UNS * INC # B7: 9 # H8: 3,4 => UNS * INC # B7: 9 # H8: 8 => UNS * INC # B7: 9 # F9: 3,4 => UNS * INC # B7: 9 # F9: 1,6 => UNS * INC # B7: 9 # G3: 3,4 => UNS * INC # B7: 9 # G3: 1,8 => UNS * INC # B7: 9 # I8: 4,6 => UNS * INC # B7: 9 # I8: 7,8 => UNS * INC # B7: 9 # F9: 4,6 => UNS * INC # B7: 9 # F9: 1,3 => UNS * INC # B7: 9 => UNS * INC # B6: 9 => UNS * CNT 29 HDP CHAINS / 29 HYP OPENED
Full list of HDP chains traversed for B6,C6: 9..:
* INC # C6: 9 # A5: 1,2 => UNS * INC # C6: 9 # A6: 1,2 => UNS * INC # C6: 9 # D4: 1,2 => UNS * INC # C6: 9 # E4: 1,2 => UNS * INC # C6: 9 # H4: 1,2 => UNS * INC # C6: 9 # C1: 1,2 => UNS * INC # C6: 9 # C3: 1,2 => UNS * INC # C6: 9 # D7: 4,6 => UNS * INC # C6: 9 # D7: 8 => UNS * INC # C6: 9 # D8: 4,6 => UNS * INC # C6: 9 # F8: 4,6 => UNS * INC # C6: 9 # I8: 4,6 => UNS * INC # C6: 9 # A5: 2,7 => UNS * INC # C6: 9 # A6: 2,7 => UNS * INC # C6: 9 # B4: 2,7 => UNS * INC # C6: 9 # B5: 2,7 => UNS * INC # C6: 9 # B6: 2,7 => UNS * INC # C6: 9 # H8: 3,4 => UNS * INC # C6: 9 # H8: 8 => UNS * INC # C6: 9 # F9: 3,4 => UNS * INC # C6: 9 # F9: 1,6 => UNS * INC # C6: 9 # G3: 3,4 => UNS * INC # C6: 9 # G3: 1,8 => UNS * INC # C6: 9 # I8: 4,6 => UNS * INC # C6: 9 # I8: 7,8 => UNS * INC # C6: 9 # F9: 4,6 => UNS * INC # C6: 9 # F9: 1,3 => UNS * INC # C6: 9 => UNS * INC # B6: 9 => UNS * CNT 29 HDP CHAINS / 29 HYP OPENED
Full list of HDP chains traversed for I1,I8: 5..:
* INC # I8: 5 # H2: 2,4 => UNS * INC # I8: 5 # I3: 2,4 => UNS * INC # I8: 5 # C1: 2,4 => UNS * INC # I8: 5 # C1: 1,3 => UNS * INC # I8: 5 # I5: 2,4 => UNS * INC # I8: 5 # I5: 7,8 => UNS * INC # I8: 5 # E8: 6,7 => UNS * INC # I8: 5 # F8: 6,7 => UNS * DIS # I8: 5 # A6: 6,7 => CTR => A6: 1,2,8 * INC # I8: 5 + A6: 1,2,8 # E8: 6,7 => UNS * PRF # I8: 5 + A6: 1,2,8 # E8: 3,8,9 => SOL * STA # I8: 5 + A6: 1,2,8 + E8: 3,8,9 * CNT 11 HDP CHAINS / 12 HYP OPENED