Analysis of xx-ph-00018428-KZ1C-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6.....7....7.5..8.4...3..2...89..5.......2..4.1...5.....98..6......1...3 initial
Autosolve
position: 98.7.....6.....7....7.5..8.4...3..2...89..5.......2..4.1...5.....98..6......1...3 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for F2,F4: 8..:
* DIS # F4: 8 # B6: 6,7 => CTR => B6: 3,5,9 * DIS # F4: 8 + B6: 3,5,9 # H9: 4,7 => CTR => H9: 5,9 * DIS # F4: 8 + B6: 3,5,9 + H9: 5,9 # I4: 1,9 => CTR => I4: 6,7 * DIS # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 # G9: 9 => CTR => G9: 2,4 * DIS # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 + G9: 2,4 # C7: 2,4 => CTR => C7: 3,6 * PRF # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 + G9: 2,4 + C7: 3,6 => SOL * STA F4: 8 * CNT 6 HDP CHAINS / 36 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....7.5..8.4...3..2...89..5.......2..4.1...5.....98..6......1...3 | initial |
| 98.7.....6.....7....7.5..8.4...3..2...89..5.......2..4.1...5.....98..6......1...3 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H8,I8: 1.. / H8 = 1 => 0 pairs (_) / I8 = 1 => 1 pairs (_) A5,B5: 2.. / A5 = 2 => 1 pairs (_) / B5 = 2 => 1 pairs (_) D7,F8: 3.. / D7 = 3 => 1 pairs (_) / F8 = 3 => 0 pairs (_) E5,F5: 4.. / E5 = 4 => 2 pairs (_) / F5 = 4 => 2 pairs (_) D4,D6: 5.. / D4 = 5 => 2 pairs (_) / D6 = 5 => 1 pairs (_) E2,F2: 8.. / E2 = 8 => 4 pairs (_) / F2 = 8 => 0 pairs (_) F4,E6: 8.. / F4 = 8 => 4 pairs (_) / E6 = 8 => 0 pairs (_) A7,A9: 8.. / A7 = 8 => 1 pairs (_) / A9 = 8 => 0 pairs (_) E6,G6: 8.. / E6 = 8 => 0 pairs (_) / G6 = 8 => 4 pairs (_) A9,G9: 8.. / A9 = 8 => 0 pairs (_) / G9 = 8 => 1 pairs (_) E2,E6: 8.. / E2 = 8 => 4 pairs (_) / E6 = 8 => 0 pairs (_) F2,F4: 8.. / F2 = 8 => 0 pairs (_) / F4 = 8 => 4 pairs (_) I4,I7: 8.. / I4 = 8 => 1 pairs (_) / I7 = 8 => 0 pairs (_) B4,B6: 9.. / B4 = 9 => 1 pairs (_) / B6 = 9 => 0 pairs (_) E7,F9: 9.. / E7 = 9 => 1 pairs (_) / F9 = 9 => 0 pairs (_) E2,E7: 9.. / E2 = 9 => 0 pairs (_) / E7 = 9 => 1 pairs (_) * DURATION: 0:00:09.926233 START: 23:25:49.179558 END: 23:25:59.105791 2020-12-05 * CP COUNT: (16) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F2,F4: 8.. / F2 = 8 => 0 pairs (X) / F4 = 8 ==> 0 pairs (*) * DURATION: 0:00:28.596204 START: 23:25:59.106380 END: 23:26:27.702584 2020-12-05 * REASONING F2,F4: 8.. * DIS # F4: 8 # B6: 6,7 => CTR => B6: 3,5,9 * DIS # F4: 8 + B6: 3,5,9 # H9: 4,7 => CTR => H9: 5,9 * DIS # F4: 8 + B6: 3,5,9 + H9: 5,9 # I4: 1,9 => CTR => I4: 6,7 * DIS # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 # G9: 9 => CTR => G9: 2,4 * DIS # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 + G9: 2,4 # C7: 2,4 => CTR => C7: 3,6 * PRF # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 + G9: 2,4 + C7: 3,6 => SOL * STA F4: 8 * CNT 6 HDP CHAINS / 36 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
18428;KZ1C;GP;23;11.30;11.30;10.10
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F2,F4: 8..:
* INC # F4: 8 # E5: 6,7 => UNS * INC # F4: 8 # F5: 6,7 => UNS * DIS # F4: 8 # B6: 6,7 => CTR => B6: 3,5,9 * INC # F4: 8 + B6: 3,5,9 # H6: 6,7 => UNS * INC # F4: 8 + B6: 3,5,9 # H6: 6,7 => UNS * INC # F4: 8 + B6: 3,5,9 # H6: 1,3,9 => UNS * INC # F4: 8 + B6: 3,5,9 # E5: 6,7 => UNS * INC # F4: 8 + B6: 3,5,9 # F5: 6,7 => UNS * INC # F4: 8 + B6: 3,5,9 # H6: 6,7 => UNS * INC # F4: 8 + B6: 3,5,9 # H6: 1,3,9 => UNS * INC # F4: 8 + B6: 3,5,9 # I4: 1,9 => UNS * INC # F4: 8 + B6: 3,5,9 # H6: 1,9 => UNS * INC # F4: 8 + B6: 3,5,9 # G3: 1,9 => UNS * INC # F4: 8 + B6: 3,5,9 # G3: 2,3,4 => UNS * INC # F4: 8 + B6: 3,5,9 # G9: 2,4 => UNS * INC # F4: 8 + B6: 3,5,9 # G9: 9 => UNS * INC # F4: 8 + B6: 3,5,9 # C7: 2,4 => UNS * INC # F4: 8 + B6: 3,5,9 # D7: 2,4 => UNS * INC # F4: 8 + B6: 3,5,9 # G1: 2,4 => UNS * INC # F4: 8 + B6: 3,5,9 # G3: 2,4 => UNS * INC # F4: 8 + B6: 3,5,9 # H8: 4,7 => UNS * DIS # F4: 8 + B6: 3,5,9 # H9: 4,7 => CTR => H9: 5,9 * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 # H8: 4,7 => UNS * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 # H8: 1,5 => UNS * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 # E5: 6,7 => UNS * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 # F5: 6,7 => UNS * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 # H6: 6,7 => UNS * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 # H6: 1,3,9 => UNS * DIS # F4: 8 + B6: 3,5,9 + H9: 5,9 # I4: 1,9 => CTR => I4: 6,7 * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 # H6: 1,9 => UNS * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 # H6: 1,9 => UNS * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 # H6: 3,6,7 => UNS * INC # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 # G9: 2,4 => UNS * DIS # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 # G9: 9 => CTR => G9: 2,4 * DIS # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 + G9: 2,4 # C7: 2,4 => CTR => C7: 3,6 * PRF # F4: 8 + B6: 3,5,9 + H9: 5,9 + I4: 6,7 + G9: 2,4 + C7: 3,6 => SOL * STA F4: 8 * CNT 36 HDP CHAINS / 36 HYP OPENED