Analysis of xx-ph-00035144-12_05-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7.....9....5.4....39.8......7....3....2....1....6..8.3....5.........2.4. initial
Autosolve
position: 98.7..6..7.....9....5.4....39.8......7....3....2....1....6..8.3....5.........2.4. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for D3,F3: 9..:
* DIS # D3: 9 # F8: 1,3 => CTR => F8: 4,7,8,9 * DIS # D3: 9 + F8: 4,7,8,9 # E9: 1,3 => CTR => E9: 7,8,9 * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 # C9: 1,3 => CTR => C9: 6,7,8,9 * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # F6: 4,5 => CTR => F6: 3,6,7,9 * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 # G6: 4,5 => CTR => G6: 7 * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 # D5: 4,5 => CTR => D5: 1,2 * PRF # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 + D5: 1,2 # F5: 1,6,9 => SOL * STA # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 + D5: 1,2 + F5: 1,6,9 * CNT 7 HDP CHAINS / 26 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.....9....5.4....39.8......7....3....2....1....6..8.3....5.........2.4. | initial |
| 98.7..6..7.....9....5.4....39.8......7....3....2....1....6..8.3....5.........2.4. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I1,I2: 4.. / I1 = 4 => 1 pairs (_) / I2 = 4 => 1 pairs (_) G4,G6: 4.. / G4 = 4 => 2 pairs (_) / G6 = 4 => 1 pairs (_) C1,I1: 4.. / C1 = 4 => 1 pairs (_) / I1 = 4 => 1 pairs (_) F8,E9: 8.. / F8 = 8 => 0 pairs (_) / E9 = 8 => 0 pairs (_) A6,I6: 8.. / A6 = 8 => 1 pairs (_) / I6 = 8 => 0 pairs (_) E2,E9: 8.. / E2 = 8 => 0 pairs (_) / E9 = 8 => 0 pairs (_) D3,F3: 9.. / D3 = 9 => 1 pairs (_) / F3 = 9 => 2 pairs (_) * DURATION: 0:00:04.522010 START: 16:21:56.927319 END: 16:22:01.449329 2020-12-15 * CP COUNT: (7) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) D3,F3: 9.. / D3 = 9 ==> 0 pairs (*) / F3 = 9 ==> 2 pairs (_) * DURATION: 0:00:18.714234 START: 16:22:01.449933 END: 16:22:20.164167 2020-12-15 * REASONING D3,F3: 9.. * DIS # D3: 9 # F8: 1,3 => CTR => F8: 4,7,8,9 * DIS # D3: 9 + F8: 4,7,8,9 # E9: 1,3 => CTR => E9: 7,8,9 * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 # C9: 1,3 => CTR => C9: 6,7,8,9 * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # F6: 4,5 => CTR => F6: 3,6,7,9 * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 # G6: 4,5 => CTR => G6: 7 * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 # D5: 4,5 => CTR => D5: 1,2 * PRF # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 + D5: 1,2 # F5: 1,6,9 => SOL * STA # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 + D5: 1,2 + F5: 1,6,9 * CNT 7 HDP CHAINS / 26 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
35144;12_05;GP;21;11.30;11.30;2.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for D3,F3: 9..:
* INC # F3: 9 => UNS * INC # D3: 9 # D8: 1,3 => UNS * DIS # D3: 9 # F8: 1,3 => CTR => F8: 4,7,8,9 * DIS # D3: 9 + F8: 4,7,8,9 # E9: 1,3 => CTR => E9: 7,8,9 * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 # D8: 1,3 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 # D8: 4 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 # B9: 1,3 => UNS * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 # C9: 1,3 => CTR => C9: 6,7,8,9 * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # B9: 1,3 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # B9: 5,6 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # D8: 1,3 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # D8: 4 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # B9: 1,3 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # B9: 5,6 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # F4: 4,5 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # D5: 4,5 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # F5: 4,5 => UNS * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 # F6: 4,5 => CTR => F6: 3,6,7,9 * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 # A6: 4,5 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 # B6: 4,5 => UNS * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 # G6: 4,5 => CTR => G6: 7 * DIS # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 # D5: 4,5 => CTR => D5: 1,2 * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 + D5: 1,2 # F5: 4,5 => UNS * INC # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 + D5: 1,2 # F5: 4,5 => UNS * PRF # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 + D5: 1,2 # F5: 1,6,9 => SOL * STA # D3: 9 + F8: 4,7,8,9 + E9: 7,8,9 + C9: 6,7,8,9 + F6: 3,6,7,9 + G6: 7 + D5: 1,2 + F5: 1,6,9 * CNT 25 HDP CHAINS / 26 HYP OPENED