Analysis of xx-ph-00035013-12_05-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6....5.4.........9...3....87....2.............54.6.9.7....3.8..9......2...1 initial
Autosolve
position: 98.7..6....5.4........89...3....87....2.............54.6.9.7....3.8..9......2...1 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for C1,H1: 4..:
* DIS # C1: 4 # A7: 1,8 => CTR => A7: 2,4,5 * DIS # C1: 4 + A7: 2,4,5 # C6: 1,8 => CTR => C6: 6,7,9 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 # A8: 1,7 => CTR => A8: 2,4,5 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 # H4: 6,9 => CTR => H4: 1,2 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 # I4: 6,9 => CTR => I4: 2 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 # E4: 5 => CTR => E4: 6,9 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 + E4: 6,9 # C6: 6,9 => CTR => C6: 7 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 + E4: 6,9 + C6: 7 => CTR => C1: 1,3 * STA C1: 1,3 * CNT 8 HDP CHAINS / 13 HYP OPENED
List of important HDP chains detected for C1,C3: 3..:
* PRF # C1: 3 # F1: 2 => SOL * STA # C1: 3 + F1: 2 * CNT 1 HDP CHAINS / 3 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....5.4.........9...3....87....2.............54.6.9.7....3.8..9......2...1 | initial |
| 98.7..6....5.4........89...3....87....2.............54.6.9.7....3.8..9......2...1 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) B2,B3: 2.. / B2 = 2 => 0 pairs (_) / B3 = 2 => 1 pairs (_) A7,A8: 2.. / A7 = 2 => 1 pairs (_) / A8 = 2 => 0 pairs (_) C1,C3: 3.. / C1 = 3 => 2 pairs (_) / C3 = 3 => 1 pairs (_) C1,H1: 4.. / C1 = 4 => 2 pairs (_) / H1 = 4 => 1 pairs (_) E5,E6: 7.. / E5 = 7 => 0 pairs (_) / E6 = 7 => 1 pairs (_) H2,I2: 9.. / H2 = 9 => 0 pairs (_) / I2 = 9 => 1 pairs (_) B9,C9: 9.. / B9 = 9 => 1 pairs (_) / C9 = 9 => 0 pairs (_) * DURATION: 0:00:04.415908 START: 12:59:27.034663 END: 12:59:31.450571 2020-09-22 * CP COUNT: (7) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,H1: 4.. / C1 = 4 ==> 0 pairs (X) / H1 = 4 => 1 pairs (_) C1,C3: 3.. / C1 = 3 ==> 0 pairs (*) / C3 = 3 => 0 pairs (X) * DURATION: 0:00:17.820151 START: 12:59:31.451185 END: 12:59:49.271336 2020-09-22 * REASONING C1,H1: 4.. * DIS # C1: 4 # A7: 1,8 => CTR => A7: 2,4,5 * DIS # C1: 4 + A7: 2,4,5 # C6: 1,8 => CTR => C6: 6,7,9 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 # A8: 1,7 => CTR => A8: 2,4,5 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 # H4: 6,9 => CTR => H4: 1,2 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 # I4: 6,9 => CTR => I4: 2 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 # E4: 5 => CTR => E4: 6,9 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 + E4: 6,9 # C6: 6,9 => CTR => C6: 7 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 + E4: 6,9 + C6: 7 => CTR => C1: 1,3 * STA C1: 1,3 * CNT 8 HDP CHAINS / 13 HYP OPENED * REASONING C1,C3: 3.. * PRF # C1: 3 # F1: 2 => SOL * STA # C1: 3 + F1: 2 * CNT 1 HDP CHAINS / 3 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
35013;12_05;GP;21;11.70;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,H1: 4..:
* DIS # C1: 4 # A7: 1,8 => CTR => A7: 2,4,5 * DIS # C1: 4 + A7: 2,4,5 # C6: 1,8 => CTR => C6: 6,7,9 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 # A8: 1,7 => CTR => A8: 2,4,5 * INC # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 # C6: 6,9 => UNS * INC # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 # C6: 7 => UNS * INC # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 # E4: 6,9 => UNS * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 # H4: 6,9 => CTR => H4: 1,2 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 # I4: 6,9 => CTR => I4: 2 * INC # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 # E4: 6,9 => UNS * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 # E4: 5 => CTR => E4: 6,9 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 + E4: 6,9 # C6: 6,9 => CTR => C6: 7 * DIS # C1: 4 + A7: 2,4,5 + C6: 6,7,9 + A8: 2,4,5 + H4: 1,2 + I4: 2 + E4: 6,9 + C6: 7 => CTR => C1: 1,3 * INC C1: 1,3 # H1: 4 => UNS * STA C1: 1,3 * CNT 13 HDP CHAINS / 13 HYP OPENED
Full list of HDP chains traversed for C1,C3: 3..:
* INC # C1: 3 # F1: 1,5 => UNS * PRF # C1: 3 # F1: 2 => SOL * STA # C1: 3 + F1: 2 * CNT 2 HDP CHAINS / 3 HYP OPENED