Analysis of xx-ph-00023480-KZ1C-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..75..9......6......4..8.3....3.....2...7.6.8....9.8.5.....1....4.....2.1. initial
Autosolve
position: 98.7..6..75..9......6......4..8.3....3.....2...7.6.8....9.8.5.....1....4.....2.1. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000009
List of important HDP chains detected for F2,F3: 8..:
* DIS # F2: 8 # F5: 1,4 => CTR => F5: 5,7,9 * DIS # F2: 8 + F5: 5,7,9 # G4: 7,9 => CTR => G4: 1 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 # G5: 7,9 => CTR => G5: 4 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 # D9: 3,4 => CTR => D9: 5,9 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 # E9: 5,7 => CTR => E9: 3,4 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 + E9: 3,4 # D3: 3,4 => CTR => D3: 2 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 + E9: 3,4 + D3: 2 => CTR => F2: 1,4,6 * STA F2: 1,4,6 * CNT 7 HDP CHAINS / 39 HYP OPENED
List of important HDP chains detected for H6,I6: 3..:
* PRF # H6: 3 # B7: 6,7 => SOL * STA # H6: 3 + B7: 6,7 * CNT 1 HDP CHAINS / 20 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..75..9......6......4..8.3....3.....2...7.6.8....9.8.5.....1....4.....2.1. | initial |
| 98.7..6..75..9......6......4..8.3....3.....2...7.6.8....9.8.5.....1....4.....2.1. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A7,B7: 1.. / A7 = 1 => 2 pairs (_) / B7 = 1 => 2 pairs (_) E4,D6: 2.. / E4 = 2 => 1 pairs (_) / D6 = 2 => 2 pairs (_) I7,G8: 2.. / I7 = 2 => 0 pairs (_) / G8 = 2 => 3 pairs (_) H6,I6: 3.. / H6 = 3 => 4 pairs (_) / I6 = 3 => 0 pairs (_) G5,H6: 4.. / G5 = 4 => 1 pairs (_) / H6 = 4 => 2 pairs (_) D2,F2: 6.. / D2 = 6 => 1 pairs (_) / F2 = 6 => 1 pairs (_) B4,A5: 6.. / B4 = 6 => 2 pairs (_) / A5 = 6 => 0 pairs (_) A5,I5: 6.. / A5 = 6 => 0 pairs (_) / I5 = 6 => 2 pairs (_) F2,F3: 8.. / F2 = 8 => 4 pairs (_) / F3 = 8 => 0 pairs (_) A5,C5: 8.. / A5 = 8 => 3 pairs (_) / C5 = 8 => 0 pairs (_) H8,I9: 8.. / H8 = 8 => 1 pairs (_) / I9 = 8 => 0 pairs (_) B4,B6: 9.. / B4 = 9 => 2 pairs (_) / B6 = 9 => 0 pairs (_) F8,D9: 9.. / F8 = 9 => 0 pairs (_) / D9 = 9 => 2 pairs (_) * DURATION: 0:00:07.288796 START: 22:55:30.636665 END: 22:55:37.925461 2020-12-07 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F2,F3: 8.. / F2 = 8 ==> 0 pairs (X) / F3 = 8 => 0 pairs (_) H6,I6: 3.. / H6 = 3 ==> 0 pairs (*) / I6 = 3 => 0 pairs (X) * DURATION: 0:00:34.763217 START: 22:55:37.926028 END: 22:56:12.689245 2020-12-07 * REASONING F2,F3: 8.. * DIS # F2: 8 # F5: 1,4 => CTR => F5: 5,7,9 * DIS # F2: 8 + F5: 5,7,9 # G4: 7,9 => CTR => G4: 1 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 # G5: 7,9 => CTR => G5: 4 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 # D9: 3,4 => CTR => D9: 5,9 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 # E9: 5,7 => CTR => E9: 3,4 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 + E9: 3,4 # D3: 3,4 => CTR => D3: 2 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 + E9: 3,4 + D3: 2 => CTR => F2: 1,4,6 * STA F2: 1,4,6 * CNT 7 HDP CHAINS / 39 HYP OPENED * REASONING H6,I6: 3.. * PRF # H6: 3 # B7: 6,7 => SOL * STA # H6: 3 + B7: 6,7 * CNT 1 HDP CHAINS / 20 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
23480;KZ1C;GP;23;11.30;11.30;9.90
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F2,F3: 8..:
* INC # F2: 8 # E1: 1,4 => UNS * INC # F2: 8 # E3: 1,4 => UNS * INC # F2: 8 # F3: 1,4 => UNS * INC # F2: 8 # C1: 1,4 => UNS * INC # F2: 8 # C1: 2,3 => UNS * DIS # F2: 8 # F5: 1,4 => CTR => F5: 5,7,9 * INC # F2: 8 + F5: 5,7,9 # F6: 1,4 => UNS * INC # F2: 8 + F5: 5,7,9 # F6: 1,4 => UNS * INC # F2: 8 + F5: 5,7,9 # F6: 5,9 => UNS * INC # F2: 8 + F5: 5,7,9 # E1: 1,4 => UNS * INC # F2: 8 + F5: 5,7,9 # E3: 1,4 => UNS * INC # F2: 8 + F5: 5,7,9 # F3: 1,4 => UNS * INC # F2: 8 + F5: 5,7,9 # C1: 1,4 => UNS * INC # F2: 8 + F5: 5,7,9 # C1: 2,3 => UNS * INC # F2: 8 + F5: 5,7,9 # F6: 1,4 => UNS * INC # F2: 8 + F5: 5,7,9 # F6: 5,9 => UNS * INC # F2: 8 + F5: 5,7,9 # H1: 3,4 => UNS * INC # F2: 8 + F5: 5,7,9 # G2: 3,4 => UNS * INC # F2: 8 + F5: 5,7,9 # C2: 3,4 => UNS * INC # F2: 8 + F5: 5,7,9 # C2: 1,2 => UNS * INC # F2: 8 + F5: 5,7,9 # H6: 3,4 => UNS * INC # F2: 8 + F5: 5,7,9 # H6: 5,9 => UNS * INC # F2: 8 + F5: 5,7,9 # H3: 7,9 => UNS * INC # F2: 8 + F5: 5,7,9 # I3: 7,9 => UNS * DIS # F2: 8 + F5: 5,7,9 # G4: 7,9 => CTR => G4: 1 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 # G5: 7,9 => CTR => G5: 4 * INC # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 # G8: 7,9 => UNS * INC # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 # G9: 7,9 => UNS * INC # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 # H3: 7,9 => UNS * INC # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 # I3: 7,9 => UNS * INC # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 # G8: 7,9 => UNS * INC # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 # G9: 7,9 => UNS * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 # D9: 3,4 => CTR => D9: 5,9 * INC # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 # E9: 3,4 => UNS * INC # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 # E9: 3,4 => UNS * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 # E9: 5,7 => CTR => E9: 3,4 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 + E9: 3,4 # D3: 3,4 => CTR => D3: 2 * DIS # F2: 8 + F5: 5,7,9 + G4: 1 + G5: 4 + D9: 5,9 + E9: 3,4 + D3: 2 => CTR => F2: 1,4,6 * INC F2: 1,4,6 # F3: 8 => UNS * STA F2: 1,4,6 * CNT 39 HDP CHAINS / 39 HYP OPENED
Full list of HDP chains traversed for H6,I6: 3..:
* INC # H6: 3 # H3: 4,5 => UNS * INC # H6: 3 # H3: 7,8,9 => UNS * INC # H6: 3 # E1: 4,5 => UNS * INC # H6: 3 # F1: 4,5 => UNS * INC # H6: 3 # H3: 4,8 => UNS * INC # H6: 3 # H3: 5,7,9 => UNS * INC # H6: 3 # F2: 4,8 => UNS * INC # H6: 3 # F2: 1,6 => UNS * INC # H6: 3 # F5: 5,9 => UNS * INC # H6: 3 # D6: 5,9 => UNS * INC # H6: 3 # F6: 5,9 => UNS * INC # H6: 3 # I5: 5,9 => UNS * INC # H6: 3 # I5: 1,6,7 => UNS * INC # H6: 3 # D9: 5,9 => UNS * INC # H6: 3 # D9: 3,4,6 => UNS * INC # H6: 3 # I7: 6,7 => UNS * INC # H6: 3 # H8: 6,7 => UNS * INC # H6: 3 # I9: 6,7 => UNS * PRF # H6: 3 # B7: 6,7 => SOL * STA # H6: 3 + B7: 6,7 * CNT 19 HDP CHAINS / 20 HYP OPENED