Analysis of xx-ph-00001551-L142-base.sdk
Contents
Original Sudoku
level: deep
position: 1....678.....8.12.........62...1...7.4.9.......5..4....9.3...........35.8...7...2 initial
Autosolve
position: 1....678.....8.12.........62...1...7.4.9.......5..4....9.3...7.......35.8...7...2 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for A7,B9: 5..:
* DIS # B9: 5 # A2: 4,6 => CTR => A2: 3,5,7,9 * CNT 1 HDP CHAINS / 38 HYP OPENED
List of important HDP chains detected for B9,C9: 3..:
* PRF # B9: 3 # C4: 6,8 => SOL * STA # B9: 3 + C4: 6,8 * 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
| 1....678.....8.12.........62...1...7.4.9.......5..4....9.3...........35.8...7...2 | initial |
| 1....678.....8.12.........62...1...7.4.9.......5..4....9.3...7.......35.8...7...2 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D3,F3: 1.. / D3 = 1 => 0 pairs (_) / F3 = 1 => 1 pairs (_) C5,B6: 1.. / C5 = 1 => 1 pairs (_) / B6 = 1 => 0 pairs (_) G5,G6: 2.. / G5 = 2 => 0 pairs (_) / G6 = 2 => 1 pairs (_) B9,C9: 3.. / B9 = 3 => 2 pairs (_) / C9 = 3 => 0 pairs (_) G4,H4: 4.. / G4 = 4 => 3 pairs (_) / H4 = 4 => 1 pairs (_) A7,B9: 5.. / A7 = 5 => 0 pairs (_) / B9 = 5 => 3 pairs (_) F5,D6: 7.. / F5 = 7 => 1 pairs (_) / D6 = 7 => 1 pairs (_) B3,C3: 8.. / B3 = 8 => 1 pairs (_) / C3 = 8 => 0 pairs (_) C4,A6: 9.. / C4 = 9 => 0 pairs (_) / A6 = 9 => 2 pairs (_) * DURATION: 0:00:06.524517 START: 11:13:31.295679 END: 11:13:37.820196 2020-11-29 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G4,H4: 4.. / G4 = 4 ==> 3 pairs (_) / H4 = 4 ==> 1 pairs (_) A7,B9: 5.. / A7 = 5 ==> 0 pairs (_) / B9 = 5 ==> 3 pairs (_) C4,A6: 9.. / C4 = 9 ==> 0 pairs (_) / A6 = 9 ==> 2 pairs (_) B9,C9: 3.. / B9 = 3 ==> 0 pairs (*) / C9 = 3 => 0 pairs (X) * DURATION: 0:00:43.550291 START: 11:13:37.820814 END: 11:14:21.371105 2020-11-29 * REASONING A7,B9: 5.. * DIS # B9: 5 # A2: 4,6 => CTR => A2: 3,5,7,9 * CNT 1 HDP CHAINS / 38 HYP OPENED * REASONING B9,C9: 3.. * PRF # B9: 3 # C4: 6,8 => SOL * STA # B9: 3 + C4: 6,8 * CNT 1 HDP CHAINS / 6 HYP OPENED * DCP COUNT: (4) * SOLUTION FOUND
Header Info
1551;L142;elev;22;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G4,H4: 4..:
* INC # G4: 4 # I1: 5,9 => UNS * INC # G4: 4 # I2: 5,9 => UNS * INC # G4: 4 # A3: 5,9 => UNS * INC # G4: 4 # E3: 5,9 => UNS * INC # G4: 4 # F3: 5,9 => UNS * INC # G4: 4 # G5: 6,8 => UNS * INC # G4: 4 # G6: 6,8 => UNS * INC # G4: 4 # H9: 6,9 => UNS * INC # G4: 4 # H9: 1,4 => UNS * INC # G4: 4 # G6: 6,9 => UNS * INC # G4: 4 # G6: 2,8 => UNS * INC # G4: 4 => UNS * INC # H4: 4 # I1: 3,9 => UNS * INC # H4: 4 # I2: 3,9 => UNS * INC # H4: 4 # A3: 3,9 => UNS * INC # H4: 4 # C3: 3,9 => UNS * INC # H4: 4 # E3: 3,9 => UNS * INC # H4: 4 # F3: 3,9 => UNS * INC # H4: 4 # H6: 3,9 => UNS * INC # H4: 4 # H6: 1,6 => UNS * INC # H4: 4 => UNS * CNT 21 HDP CHAINS / 21 HYP OPENED
Full list of HDP chains traversed for A7,B9: 5..:
* INC # B9: 5 # B3: 2,3 => UNS * INC # B9: 5 # B3: 7,8 => UNS * INC # B9: 5 # E1: 2,3 => UNS * INC # B9: 5 # E1: 4,5,9 => UNS * INC # B9: 5 # C7: 4,6 => UNS * INC # B9: 5 # A8: 4,6 => UNS * INC # B9: 5 # C8: 4,6 => UNS * INC # B9: 5 # E7: 4,6 => UNS * INC # B9: 5 # G7: 4,6 => UNS * DIS # B9: 5 # A2: 4,6 => CTR => A2: 3,5,7,9 * INC # B9: 5 + A2: 3,5,7,9 # C7: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # A8: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # C8: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # E7: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # G7: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # F8: 1,9 => UNS * INC # B9: 5 + A2: 3,5,7,9 # F8: 2,8 => UNS * INC # B9: 5 + A2: 3,5,7,9 # H9: 1,9 => UNS * INC # B9: 5 + A2: 3,5,7,9 # H9: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # F3: 1,9 => UNS * INC # B9: 5 + A2: 3,5,7,9 # F3: 2,3,5,7 => UNS * INC # B9: 5 + A2: 3,5,7,9 # B3: 2,3 => UNS * INC # B9: 5 + A2: 3,5,7,9 # B3: 7,8 => UNS * INC # B9: 5 + A2: 3,5,7,9 # E1: 2,3 => UNS * INC # B9: 5 + A2: 3,5,7,9 # E1: 4,5,9 => UNS * INC # B9: 5 + A2: 3,5,7,9 # C7: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # A8: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # C8: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # E7: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # G7: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # F8: 1,9 => UNS * INC # B9: 5 + A2: 3,5,7,9 # F8: 2,8 => UNS * INC # B9: 5 + A2: 3,5,7,9 # H9: 1,9 => UNS * INC # B9: 5 + A2: 3,5,7,9 # H9: 4,6 => UNS * INC # B9: 5 + A2: 3,5,7,9 # F3: 1,9 => UNS * INC # B9: 5 + A2: 3,5,7,9 # F3: 2,3,5,7 => UNS * INC # B9: 5 + A2: 3,5,7,9 => UNS * INC # A7: 5 => UNS * CNT 38 HDP CHAINS / 38 HYP OPENED
Full list of HDP chains traversed for C4,A6: 9..:
* INC # A6: 9 # G3: 4,9 => UNS * INC # A6: 9 # G9: 4,9 => UNS * INC # A6: 9 # H3: 4,9 => UNS * INC # A6: 9 # H9: 4,9 => UNS * INC # A6: 9 => UNS * INC # C4: 9 => UNS * CNT 6 HDP CHAINS / 6 HYP OPENED
Full list of HDP chains traversed for B9,C9: 3..:
* INC # B9: 3 # B3: 2,5 => UNS * INC # B9: 3 # B3: 7,8 => UNS * INC # B9: 3 # D1: 2,5 => UNS * INC # B9: 3 # E1: 2,5 => UNS * PRF # B9: 3 # C4: 6,8 => SOL * STA # B9: 3 + C4: 6,8 * CNT 5 HDP CHAINS / 6 HYP OPENED