Analysis of xx-ph-00000569-H99-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....7.....9....6.5.....4.....3...78..5......2...1..85..6......1..52.....3.4. initial
Autosolve
position: 98.7.....7.....9....6.5.....4.....3...78..5......2...1..85..6......1..52.....3.4. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for I7,G8: 3..:
* PRF # G8: 3 # H7: 7,9 => SOL * STA # G8: 3 + H7: 7,9 * CNT 1 HDP CHAINS / 6 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.....7.....9....6.5.....4.....3...78..5......2...1..85..6......1..52.....3.4. | initial |
| 98.7.....7.....9....6.5.....4.....3...78..5......2...1..85..6......1..52.....3.4. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H7,G9: 1.. / H7 = 1 => 3 pairs (_) / G9 = 1 => 1 pairs (_) G4,H5: 2.. / G4 = 2 => 1 pairs (_) / H5 = 2 => 2 pairs (_) F7,D9: 2.. / F7 = 2 => 1 pairs (_) / D9 = 2 => 0 pairs (_) E5,D6: 3.. / E5 = 3 => 1 pairs (_) / D6 = 3 => 1 pairs (_) I7,G8: 3.. / I7 = 3 => 1 pairs (_) / G8 = 3 => 3 pairs (_) I5,G6: 4.. / I5 = 4 => 1 pairs (_) / G6 = 4 => 1 pairs (_) I1,I2: 5.. / I1 = 5 => 0 pairs (_) / I2 = 5 => 1 pairs (_) F4,F6: 5.. / F4 = 5 => 0 pairs (_) / F6 = 5 => 2 pairs (_) C1,I1: 5.. / C1 = 5 => 1 pairs (_) / I1 = 5 => 0 pairs (_) A4,A6: 8.. / A4 = 8 => 1 pairs (_) / A6 = 8 => 1 pairs (_) F8,E9: 8.. / F8 = 8 => 1 pairs (_) / E9 = 8 => 4 pairs (_) F8,G8: 8.. / F8 = 8 => 1 pairs (_) / G8 = 8 => 4 pairs (_) E2,E9: 8.. / E2 = 8 => 1 pairs (_) / E9 = 8 => 4 pairs (_) D3,F3: 9.. / D3 = 9 => 3 pairs (_) / F3 = 9 => 0 pairs (_) * DURATION: 0:00:09.628210 START: 03:43:16.406723 END: 03:43:26.034933 2020-11-20 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E2,E9: 8.. / E2 = 8 ==> 1 pairs (_) / E9 = 8 ==> 4 pairs (_) F8,G8: 8.. / F8 = 8 ==> 1 pairs (_) / G8 = 8 ==> 4 pairs (_) F8,E9: 8.. / F8 = 8 ==> 1 pairs (_) / E9 = 8 ==> 4 pairs (_) I7,G8: 3.. / I7 = 3 => 0 pairs (X) / G8 = 3 ==> 0 pairs (*) * DURATION: 0:00:48.796475 START: 03:43:26.035786 END: 03:44:14.832261 2020-11-20 * REASONING I7,G8: 3.. * PRF # G8: 3 # H7: 7,9 => SOL * STA # G8: 3 + H7: 7,9 * CNT 1 HDP CHAINS / 6 HYP OPENED * DCP COUNT: (4) * SOLUTION FOUND
Header Info
569;H99;GP;22;11.30;11.30;10.90
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E2,E9: 8..:
* INC # E9: 8 # G3: 2,7 => UNS * INC # E9: 8 # G3: 1,3,4 => UNS * INC # E9: 8 # F6: 4,7 => UNS * INC # E9: 8 # F6: 5,6,9 => UNS * INC # E9: 8 # G3: 4,7 => UNS * INC # E9: 8 # G3: 1,2,3 => UNS * INC # E9: 8 # H7: 1,7 => UNS * INC # E9: 8 # H7: 9 => UNS * INC # E9: 8 # B9: 1,7 => UNS * INC # E9: 8 # B9: 2,5,6,9 => UNS * INC # E9: 8 # G3: 1,7 => UNS * INC # E9: 8 # G3: 2,3,4 => UNS * INC # E9: 8 # H7: 7,9 => UNS * INC # E9: 8 # H7: 1 => UNS * INC # E9: 8 # B9: 7,9 => UNS * INC # E9: 8 # B9: 1,2,5,6 => UNS * INC # E9: 8 # I4: 7,9 => UNS * INC # E9: 8 # I4: 6,8 => UNS * INC # E9: 8 => UNS * INC # E2: 8 # I7: 3,7 => UNS * INC # E2: 8 # I7: 9 => UNS * INC # E2: 8 # B8: 3,7 => UNS * INC # E2: 8 # B8: 6,9 => UNS * INC # E2: 8 # G3: 3,7 => UNS * INC # E2: 8 # G3: 1,2,4,8 => UNS * INC # E2: 8 => UNS * CNT 26 HDP CHAINS / 26 HYP OPENED
Full list of HDP chains traversed for F8,G8: 8..:
* INC # G8: 8 # G3: 2,7 => UNS * INC # G8: 8 # G3: 1,3,4 => UNS * INC # G8: 8 # F6: 4,7 => UNS * INC # G8: 8 # F6: 5,6,9 => UNS * INC # G8: 8 # G3: 4,7 => UNS * INC # G8: 8 # G3: 1,2,3 => UNS * INC # G8: 8 # H7: 1,7 => UNS * INC # G8: 8 # H7: 9 => UNS * INC # G8: 8 # B9: 1,7 => UNS * INC # G8: 8 # B9: 2,5,6,9 => UNS * INC # G8: 8 # G3: 1,7 => UNS * INC # G8: 8 # G3: 2,3,4 => UNS * INC # G8: 8 # H7: 7,9 => UNS * INC # G8: 8 # H7: 1 => UNS * INC # G8: 8 # B9: 7,9 => UNS * INC # G8: 8 # B9: 1,2,5,6 => UNS * INC # G8: 8 # I4: 7,9 => UNS * INC # G8: 8 # I4: 6,8 => UNS * INC # G8: 8 => UNS * INC # F8: 8 # I7: 3,7 => UNS * INC # F8: 8 # I7: 9 => UNS * INC # F8: 8 # B8: 3,7 => UNS * INC # F8: 8 # B8: 6,9 => UNS * INC # F8: 8 # G3: 3,7 => UNS * INC # F8: 8 # G3: 1,2,4,8 => UNS * INC # F8: 8 => UNS * CNT 26 HDP CHAINS / 26 HYP OPENED
Full list of HDP chains traversed for F8,E9: 8..:
* INC # E9: 8 # G3: 2,7 => UNS * INC # E9: 8 # G3: 1,3,4 => UNS * INC # E9: 8 # F6: 4,7 => UNS * INC # E9: 8 # F6: 5,6,9 => UNS * INC # E9: 8 # G3: 4,7 => UNS * INC # E9: 8 # G3: 1,2,3 => UNS * INC # E9: 8 # H7: 1,7 => UNS * INC # E9: 8 # H7: 9 => UNS * INC # E9: 8 # B9: 1,7 => UNS * INC # E9: 8 # B9: 2,5,6,9 => UNS * INC # E9: 8 # G3: 1,7 => UNS * INC # E9: 8 # G3: 2,3,4 => UNS * INC # E9: 8 # H7: 7,9 => UNS * INC # E9: 8 # H7: 1 => UNS * INC # E9: 8 # B9: 7,9 => UNS * INC # E9: 8 # B9: 1,2,5,6 => UNS * INC # E9: 8 # I4: 7,9 => UNS * INC # E9: 8 # I4: 6,8 => UNS * INC # E9: 8 => UNS * INC # F8: 8 # I7: 3,7 => UNS * INC # F8: 8 # I7: 9 => UNS * INC # F8: 8 # B8: 3,7 => UNS * INC # F8: 8 # B8: 6,9 => UNS * INC # F8: 8 # G3: 3,7 => UNS * INC # F8: 8 # G3: 1,2,4,8 => UNS * INC # F8: 8 => UNS * CNT 26 HDP CHAINS / 26 HYP OPENED
Full list of HDP chains traversed for I7,G8: 3..:
* INC # G8: 3 # D8: 4,6 => UNS * INC # G8: 3 # D8: 9 => UNS * INC # G8: 3 # D8: 4,9 => UNS * INC # G8: 3 # D8: 6 => UNS * PRF # G8: 3 # H7: 7,9 => SOL * STA # G8: 3 + H7: 7,9 * CNT 5 HDP CHAINS / 6 HYP OPENED