Analysis of xx-ph-00314108-12_12_03-base.sdk
Contents
Original Sudoku
level: deep
position: ........1..2..3.4..5.46.7.......4..8...1...3.9...7.2....7.5.6..59.......6..8..... initial
Autosolve
position: ........1..2..3.4..5.46.7.......4..8...1...3.9...7.2....7.5.6..59.......6..8..... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for E2,F3: 1..:
* DIS # F3: 1 # F6: 5,6 => CTR => F6: 8 * DIS # F3: 1 + F6: 8 # C6: 5,6 => CTR => C6: 1,3,4 * DIS # F3: 1 + F6: 8 + C6: 1,3,4 # I6: 5,6 => CTR => I6: 4 * DIS # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 # D4: 5,6 => CTR => D4: 2,9 * DIS # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 # B1: 7 => CTR => B1: 4,6 * DIS # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 # C5: 5 => CTR => C5: 4,6 * PRF # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 + C5: 4,6 # E1: 8,9 => SOL * STA # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 + C5: 4,6 + E1: 8,9 * CNT 7 HDP CHAINS / 25 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..3.4..5.46.7.......4..8...1...3.9...7.2....7.5.6..59.......6..8..... | initial |
| ........1..2..3.4..5.46.7.......4..8...1...3.9...7.2....7.5.6..59.......6..8..... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E2,F3: 1.. / E2 = 1 => 1 pairs (_) / F3 = 1 => 6 pairs (_) G1,I3: 3.. / G1 = 3 => 1 pairs (_) / I3 = 3 => 1 pairs (_) E8,E9: 4.. / E8 = 4 => 0 pairs (_) / E9 = 4 => 1 pairs (_) H1,I2: 6.. / H1 = 6 => 2 pairs (_) / I2 = 6 => 1 pairs (_) D8,F8: 6.. / D8 = 6 => 1 pairs (_) / F8 = 6 => 1 pairs (_) B2,I2: 6.. / B2 = 6 => 2 pairs (_) / I2 = 6 => 1 pairs (_) H4,I5: 7.. / H4 = 7 => 0 pairs (_) / I5 = 7 => 0 pairs (_) C1,C3: 9.. / C1 = 9 => 1 pairs (_) / C3 = 9 => 2 pairs (_) * DURATION: 0:00:04.818243 START: 03:20:15.956131 END: 03:20:20.774374 2020-12-25 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E2,F3: 1.. / E2 = 1 => 0 pairs (X) / F3 = 1 ==> 0 pairs (*) * DURATION: 0:00:20.761949 START: 03:20:20.775041 END: 03:20:41.536990 2020-12-25 * REASONING E2,F3: 1.. * DIS # F3: 1 # F6: 5,6 => CTR => F6: 8 * DIS # F3: 1 + F6: 8 # C6: 5,6 => CTR => C6: 1,3,4 * DIS # F3: 1 + F6: 8 + C6: 1,3,4 # I6: 5,6 => CTR => I6: 4 * DIS # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 # D4: 5,6 => CTR => D4: 2,9 * DIS # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 # B1: 7 => CTR => B1: 4,6 * DIS # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 # C5: 5 => CTR => C5: 4,6 * PRF # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 + C5: 4,6 # E1: 8,9 => SOL * STA # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 + C5: 4,6 + E1: 8,9 * CNT 7 HDP CHAINS / 25 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
314108;12_12_03;dob;22;11.30;11.30;9.90
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E2,F3: 1..:
* INC # F3: 1 # A1: 3,8 => UNS * INC # F3: 1 # B1: 3,8 => UNS * INC # F3: 1 # C1: 3,8 => UNS * INC # F3: 1 # C3: 3,8 => UNS * INC # F3: 1 # A7: 3,8 => UNS * INC # F3: 1 # A7: 1,2,4 => UNS * INC # F3: 1 # E1: 8,9 => UNS * INC # F3: 1 # F1: 8,9 => UNS * INC # F3: 1 # G2: 8,9 => UNS * INC # F3: 1 # G2: 5 => UNS * INC # F3: 1 # E5: 8,9 => UNS * INC # F3: 1 # E5: 2 => UNS * INC # F3: 1 # D4: 5,6 => UNS * INC # F3: 1 # F5: 5,6 => UNS * DIS # F3: 1 # F6: 5,6 => CTR => F6: 8 * DIS # F3: 1 + F6: 8 # C6: 5,6 => CTR => C6: 1,3,4 * INC # F3: 1 + F6: 8 + C6: 1,3,4 # H6: 5,6 => UNS * DIS # F3: 1 + F6: 8 + C6: 1,3,4 # I6: 5,6 => CTR => I6: 4 * DIS # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 # D4: 5,6 => CTR => D4: 2,9 * INC # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 # B1: 4,6 => UNS * DIS # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 # B1: 7 => CTR => B1: 4,6 * INC # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 # C5: 4,6 => UNS * DIS # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 # C5: 5 => CTR => C5: 4,6 * PRF # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 + C5: 4,6 # E1: 8,9 => SOL * STA # F3: 1 + F6: 8 + C6: 1,3,4 + I6: 4 + D4: 2,9 + B1: 4,6 + C5: 4,6 + E1: 8,9 * CNT 24 HDP CHAINS / 25 HYP OPENED