Analysis of xx-ph-00635332-12_12-base.sdk
Contents
Original Sudoku
level: deep
position: ....5.7.....9.1.6.........52....8.16.......2..3....4.7.7..4......82.9...9.68..... initial
Autosolve
position: ....5.7.....9.1.6.........52....8.16.......2..3....4.7.7..4......82.9...9.68..... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for E8,G8: 6..:
* DIS # E8: 6 # H6: 8,9 => CTR => H6: 5 * DIS # E8: 6 + H6: 5 # I1: 8,9 => CTR => I1: 1,2,3,4 * DIS # E8: 6 + H6: 5 + I1: 1,2,3,4 # I5: 3 => CTR => I5: 8,9 * DIS # E8: 6 + H6: 5 + I1: 1,2,3,4 + I5: 8,9 # G3: 2,8 => CTR => G3: 1,9 * DIS # E8: 6 + H6: 5 + I1: 1,2,3,4 + I5: 8,9 + G3: 1,9 # B2: 2,8 => CTR => B2: 4,5 * PRF # E8: 6 + H6: 5 + I1: 1,2,3,4 + I5: 8,9 + G3: 1,9 + B2: 4,5 => SOL * STA E8: 6 * CNT 6 HDP CHAINS / 18 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
| ....5.7.....9.1.6.........52....8.16.......2..3....4.7.7..4......82.9...9.68..... | initial |
| ....5.7.....9.1.6.........52....8.16.......2..3....4.7.7..4......82.9...9.68..... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I1,G3: 1.. / I1 = 1 => 1 pairs (_) / G3 = 1 => 0 pairs (_) E6,F6: 2.. / E6 = 2 => 1 pairs (_) / F6 = 2 => 2 pairs (_) C7,B9: 2.. / C7 = 2 => 0 pairs (_) / B9 = 2 => 2 pairs (_) G7,G8: 6.. / G7 = 6 => 3 pairs (_) / G8 = 6 => 0 pairs (_) E8,G8: 6.. / E8 = 6 => 3 pairs (_) / G8 = 6 => 0 pairs (_) H8,H9: 7.. / H8 = 7 => 0 pairs (_) / H9 = 7 => 3 pairs (_) E8,H8: 7.. / E8 = 7 => 3 pairs (_) / H8 = 7 => 0 pairs (_) E2,E3: 8.. / E2 = 8 => 1 pairs (_) / E3 = 8 => 0 pairs (_) A6,H6: 8.. / A6 = 8 => 1 pairs (_) / H6 = 8 => 1 pairs (_) * DURATION: 0:00:05.762913 START: 05:58:41.758315 END: 05:58:47.521228 2020-09-22 * CP COUNT: (9) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E8,H8: 7.. / E8 = 7 ==> 3 pairs (_) / H8 = 7 ==> 0 pairs (_) H8,H9: 7.. / H8 = 7 ==> 0 pairs (_) / H9 = 7 ==> 3 pairs (_) E8,G8: 6.. / E8 = 6 ==> 0 pairs (*) / G8 = 6 => 0 pairs (X) * DURATION: 0:00:30.826728 START: 05:58:47.521872 END: 05:59:18.348600 2020-09-22 * REASONING E8,G8: 6.. * DIS # E8: 6 # H6: 8,9 => CTR => H6: 5 * DIS # E8: 6 + H6: 5 # I1: 8,9 => CTR => I1: 1,2,3,4 * DIS # E8: 6 + H6: 5 + I1: 1,2,3,4 # I5: 3 => CTR => I5: 8,9 * DIS # E8: 6 + H6: 5 + I1: 1,2,3,4 + I5: 8,9 # G3: 2,8 => CTR => G3: 1,9 * DIS # E8: 6 + H6: 5 + I1: 1,2,3,4 + I5: 8,9 + G3: 1,9 # B2: 2,8 => CTR => B2: 4,5 * PRF # E8: 6 + H6: 5 + I1: 1,2,3,4 + I5: 8,9 + G3: 1,9 + B2: 4,5 => SOL * STA E8: 6 * CNT 6 HDP CHAINS / 18 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
635332;12_12;col;22;11.70;11.70;9.40
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E8,H8: 7..:
* INC # E8: 7 # E5: 3,9 => UNS * INC # E8: 7 # E5: 1,6 => UNS * INC # E8: 7 # G4: 3,9 => UNS * INC # E8: 7 # G4: 5 => UNS * INC # E8: 7 # D7: 1,3 => UNS * INC # E8: 7 # D7: 5,6 => UNS * INC # E8: 7 # G9: 1,3 => UNS * INC # E8: 7 # I9: 1,3 => UNS * INC # E8: 7 # E5: 1,3 => UNS * INC # E8: 7 # E5: 6,9 => UNS * INC # E8: 7 # D7: 3,5 => UNS * INC # E8: 7 # F7: 3,5 => UNS * INC # E8: 7 # G9: 3,5 => UNS * INC # E8: 7 # G9: 1,2 => UNS * INC # E8: 7 # F5: 3,5 => UNS * INC # E8: 7 # F5: 4,6,7 => UNS * INC # E8: 7 => UNS * INC # H8: 7 => UNS * CNT 18 HDP CHAINS / 18 HYP OPENED
Full list of HDP chains traversed for H8,H9: 7..:
* INC # H9: 7 # E5: 3,9 => UNS * INC # H9: 7 # E5: 1,6 => UNS * INC # H9: 7 # G4: 3,9 => UNS * INC # H9: 7 # G4: 5 => UNS * INC # H9: 7 # D7: 1,3 => UNS * INC # H9: 7 # D7: 5,6 => UNS * INC # H9: 7 # G9: 1,3 => UNS * INC # H9: 7 # I9: 1,3 => UNS * INC # H9: 7 # E5: 1,3 => UNS * INC # H9: 7 # E5: 6,9 => UNS * INC # H9: 7 # D7: 3,5 => UNS * INC # H9: 7 # F7: 3,5 => UNS * INC # H9: 7 # G9: 3,5 => UNS * INC # H9: 7 # G9: 1,2 => UNS * INC # H9: 7 # F5: 3,5 => UNS * INC # H9: 7 # F5: 4,6,7 => UNS * INC # H9: 7 => UNS * INC # H8: 7 => UNS * CNT 18 HDP CHAINS / 18 HYP OPENED
Full list of HDP chains traversed for E8,G8: 6..:
* INC # E8: 6 # D7: 3,5 => UNS * INC # E8: 6 # F9: 3,5 => UNS * INC # E8: 6 # A7: 3,5 => UNS * INC # E8: 6 # A7: 1 => UNS * INC # E8: 6 # F5: 3,5 => UNS * INC # E8: 6 # F5: 4,6,7 => UNS * INC # E8: 6 # H1: 8,9 => UNS * INC # E8: 6 # H3: 8,9 => UNS * DIS # E8: 6 # H6: 8,9 => CTR => H6: 5 * INC # E8: 6 + H6: 5 # H1: 8,9 => UNS * INC # E8: 6 + H6: 5 # H3: 8,9 => UNS * DIS # E8: 6 + H6: 5 # I1: 8,9 => CTR => I1: 1,2,3,4 * INC # E8: 6 + H6: 5 + I1: 1,2,3,4 # I5: 8,9 => UNS * INC # E8: 6 + H6: 5 + I1: 1,2,3,4 # I5: 8,9 => UNS * DIS # E8: 6 + H6: 5 + I1: 1,2,3,4 # I5: 3 => CTR => I5: 8,9 * DIS # E8: 6 + H6: 5 + I1: 1,2,3,4 + I5: 8,9 # G3: 2,8 => CTR => G3: 1,9 * DIS # E8: 6 + H6: 5 + I1: 1,2,3,4 + I5: 8,9 + G3: 1,9 # B2: 2,8 => CTR => B2: 4,5 * PRF # E8: 6 + H6: 5 + I1: 1,2,3,4 + I5: 8,9 + G3: 1,9 + B2: 4,5 => SOL * STA E8: 6 * CNT 18 HDP CHAINS / 18 HYP OPENED