Analysis of xx-ph-00018921-KZ1C-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6...8.7....7..5....4...3.6...68..5.........24..95..6......2...1.....1.3. initial
Autosolve
position: 98.7.....6...8.7....7..5....4...3.6...68..5.........24..95..6......2...1.....1.3. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for D4,F5: 2..:
* DIS # F5: 2 # D2: 4,9 => CTR => D2: 1,2,3 * DIS # F5: 2 + D2: 1,2,3 # D3: 4,9 => CTR => D3: 1,2,3,6 * DIS # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 # E4: 1,9 => CTR => E4: 5,7 * DIS # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 # A7: 3,7 => CTR => A7: 1,2,4,8 * DIS # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 # B7: 3,7 => CTR => B7: 1,2 * PRF # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 # H2: 4,9 => SOL * STA # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 + H2: 4,9 * CNT 6 HDP CHAINS / 22 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...8.7....7..5....4...3.6...68..5.........24..95..6......2...1.....1.3. | initial |
| 98.7.....6...8.7....7..5....4...3.6...68..5.........24..95..6......2...1.....1.3. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A7,B7: 1.. / A7 = 1 => 0 pairs (_) / B7 = 1 => 1 pairs (_) D4,F5: 2.. / D4 = 2 => 0 pairs (_) / F5 = 2 => 4 pairs (_) I5,G6: 3.. / I5 = 3 => 0 pairs (_) / G6 = 3 => 1 pairs (_) E7,D8: 3.. / E7 = 3 => 0 pairs (_) / D8 = 3 => 3 pairs (_) E5,F5: 4.. / E5 = 4 => 1 pairs (_) / F5 = 4 => 3 pairs (_) E4,E6: 5.. / E4 = 5 => 0 pairs (_) / E6 = 5 => 0 pairs (_) H8,I9: 5.. / H8 = 5 => 1 pairs (_) / I9 = 5 => 0 pairs (_) I1,I3: 6.. / I1 = 6 => 1 pairs (_) / I3 = 6 => 0 pairs (_) B8,B9: 6.. / B8 = 6 => 0 pairs (_) / B9 = 6 => 1 pairs (_) F7,F8: 8.. / F7 = 8 => 2 pairs (_) / F8 = 8 => 2 pairs (_) B5,B6: 9.. / B5 = 9 => 2 pairs (_) / B6 = 9 => 2 pairs (_) * DURATION: 0:00:06.775645 START: 09:06:41.283300 END: 09:06:48.058945 2020-12-06 * CP COUNT: (11) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D4,F5: 2.. / D4 = 2 => 0 pairs (X) / F5 = 2 ==> 0 pairs (*) * DURATION: 0:00:20.074111 START: 09:06:48.059580 END: 09:07:08.133691 2020-12-06 * REASONING D4,F5: 2.. * DIS # F5: 2 # D2: 4,9 => CTR => D2: 1,2,3 * DIS # F5: 2 + D2: 1,2,3 # D3: 4,9 => CTR => D3: 1,2,3,6 * DIS # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 # E4: 1,9 => CTR => E4: 5,7 * DIS # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 # A7: 3,7 => CTR => A7: 1,2,4,8 * DIS # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 # B7: 3,7 => CTR => B7: 1,2 * PRF # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 # H2: 4,9 => SOL * STA # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 + H2: 4,9 * CNT 6 HDP CHAINS / 22 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
18921;KZ1C;GP;23;11.30;11.30;10.40
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D4,F5: 2..:
* INC # F5: 2 # D3: 4,6 => UNS * INC # F5: 2 # D3: 1,2,3,9 => UNS * INC # F5: 2 # F8: 4,6 => UNS * INC # F5: 2 # F8: 7,8,9 => UNS * DIS # F5: 2 # D2: 4,9 => CTR => D2: 1,2,3 * DIS # F5: 2 + D2: 1,2,3 # D3: 4,9 => CTR => D3: 1,2,3,6 * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 # H2: 4,9 => UNS * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 # H2: 1,5 => UNS * DIS # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 # E4: 1,9 => CTR => E4: 5,7 * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 # D6: 1,9 => UNS * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 # E6: 1,9 => UNS * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 # G4: 1,9 => UNS * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 # G4: 8 => UNS * DIS # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 # A7: 3,7 => CTR => A7: 1,2,4,8 * DIS # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 # B7: 3,7 => CTR => B7: 1,2 * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 # E3: 1,6 => UNS * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 # E3: 9 => UNS * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 # B2: 2,3 => UNS * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 # C2: 2,3 => UNS * INC # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 # I2: 2,3 => UNS * PRF # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 # H2: 4,9 => SOL * STA # F5: 2 + D2: 1,2,3 + D3: 1,2,3,6 + E4: 5,7 + A7: 1,2,4,8 + B7: 1,2 + H2: 4,9 * CNT 21 HDP CHAINS / 22 HYP OPENED