Analysis of xx-ph-00247978-12_12_03-base.sdk
Contents
Original Sudoku
level: deep
position: ........1.....2.3....45.6....1....27..6...8...9..8.4....7..3...5..89....96.5..... initial
Autosolve
position: ........1.....2.3....45.6....1....27..6...8...9..8.4....7..3...5..89....96.5..... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for F1,F3: 8..:
* DIS # F3: 8 # H7: 4,8 => CTR => H7: 5,6,9 * DIS # F3: 8 + H7: 5,6,9 # H9: 7 => CTR => H9: 4,8 * DIS # F3: 8 + H7: 5,6,9 + H9: 4,8 # I7: 4,8 => CTR => I7: 2,5,6,9 * PRF # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # C3: 3 => SOL * STA # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 + C3: 3 * CNT 4 HDP CHAINS / 28 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.....2.3....45.6....1....27..6...8...9..8.4....7..3...5..89....96.5..... | initial |
| ........1.....2.3....45.6....1....27..6...8...9..8.4....7..3...5..89....96.5..... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H5,H6: 1.. / H5 = 1 => 1 pairs (_) / H6 = 1 => 2 pairs (_) G1,I3: 2.. / G1 = 2 => 1 pairs (_) / I3 = 2 => 0 pairs (_) D1,E1: 3.. / D1 = 3 => 2 pairs (_) / E1 = 3 => 1 pairs (_) H1,I2: 4.. / H1 = 4 => 2 pairs (_) / I2 = 4 => 0 pairs (_) A1,A2: 6.. / A1 = 6 => 1 pairs (_) / A2 = 6 => 1 pairs (_) H6,I6: 6.. / H6 = 6 => 2 pairs (_) / I6 = 6 => 1 pairs (_) F1,F3: 8.. / F1 = 8 => 0 pairs (_) / F3 = 8 => 5 pairs (_) A4,B4: 8.. / A4 = 8 => 0 pairs (_) / B4 = 8 => 1 pairs (_) * DURATION: 0:00:05.478330 START: 07:51:35.067591 END: 07:51:40.545921 2020-09-22 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F1,F3: 8.. / F1 = 8 => 0 pairs (X) / F3 = 8 ==> 0 pairs (*) * DURATION: 0:00:21.698183 START: 07:51:40.546534 END: 07:52:02.244717 2020-09-22 * REASONING F1,F3: 8.. * DIS # F3: 8 # H7: 4,8 => CTR => H7: 5,6,9 * DIS # F3: 8 + H7: 5,6,9 # H9: 7 => CTR => H9: 4,8 * DIS # F3: 8 + H7: 5,6,9 + H9: 4,8 # I7: 4,8 => CTR => I7: 2,5,6,9 * PRF # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # C3: 3 => SOL * STA # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 + C3: 3 * CNT 4 HDP CHAINS / 28 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
247978;12_12_03;dob;22;11.70;11.70;2.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F1,F3: 8..:
* INC # F3: 8 # A1: 4,8 => UNS * INC # F3: 8 # B1: 4,8 => UNS * INC # F3: 8 # C1: 4,8 => UNS * DIS # F3: 8 # H7: 4,8 => CTR => H7: 5,6,9 * INC # F3: 8 + H7: 5,6,9 # H9: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 # H9: 4,8 => UNS * DIS # F3: 8 + H7: 5,6,9 # H9: 7 => CTR => H9: 4,8 * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 # A1: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 # B1: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 # C1: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 # A2: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 # B2: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 # C2: 4,8 => UNS * DIS # F3: 8 + H7: 5,6,9 + H9: 4,8 # I7: 4,8 => CTR => I7: 2,5,6,9 * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # I9: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # I9: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # I9: 2,3 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # C2: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # C2: 5,9 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # I9: 4,8 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # I9: 2,3 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # G1: 7,9 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # G2: 7,9 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # G1: 2,9 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # G1: 5,7 => UNS * INC # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # C3: 2,9 => UNS * PRF # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 # C3: 3 => SOL * STA # F3: 8 + H7: 5,6,9 + H9: 4,8 + I7: 2,5,6,9 + C3: 3 * CNT 27 HDP CHAINS / 28 HYP OPENED