Analysis of xx-ph-00035520-12_05-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7...5......4..9.8.3....7.9..4..2..71........6.9...4.3...35........1..2.. initial
Autosolve
position: 98.7..6..7...5......4..9.8.3....7.9..4..2..71........6.9...4.3...35........1..2.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for E1,D2: 4..:
* DIS # D2: 4 # D5: 6,8 => CTR => D5: 3,9 * PRF # D2: 4 + D5: 3,9 # D7: 8 => SOL * STA # D2: 4 + D5: 3,9 + D7: 8 * CNT 2 HDP CHAINS / 21 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...5......4..9.8.3....7.9..4..2..71........6.9...4.3...35........1..2.. | initial |
| 98.7..6..7...5......4..9.8.3....7.9..4..2..71........6.9...4.3...35........1..2.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I4,H6: 2.. / I4 = 2 => 1 pairs (_) / H6 = 2 => 1 pairs (_) D7,F8: 2.. / D7 = 2 => 2 pairs (_) / F8 = 2 => 2 pairs (_) B2,B3: 3.. / B2 = 3 => 0 pairs (_) / B3 = 3 => 2 pairs (_) G5,G6: 3.. / G5 = 3 => 0 pairs (_) / G6 = 3 => 1 pairs (_) E9,F9: 3.. / E9 = 3 => 5 pairs (_) / F9 = 3 => 1 pairs (_) E1,D2: 4.. / E1 = 4 => 0 pairs (_) / D2 = 4 => 6 pairs (_) A8,A9: 4.. / A8 = 4 => 1 pairs (_) / A9 = 4 => 1 pairs (_) F5,F6: 5.. / F5 = 5 => 2 pairs (_) / F6 = 5 => 3 pairs (_) H8,H9: 6.. / H8 = 6 => 4 pairs (_) / H9 = 6 => 3 pairs (_) G3,I3: 7.. / G3 = 7 => 0 pairs (_) / I3 = 7 => 2 pairs (_) B6,C6: 7.. / B6 = 7 => 1 pairs (_) / C6 = 7 => 0 pairs (_) D2,F2: 8.. / D2 = 8 => 2 pairs (_) / F2 = 8 => 2 pairs (_) G2,I2: 9.. / G2 = 9 => 0 pairs (_) / I2 = 9 => 2 pairs (_) C5,C6: 9.. / C5 = 9 => 0 pairs (_) / C6 = 9 => 1 pairs (_) D5,D6: 9.. / D5 = 9 => 1 pairs (_) / D6 = 9 => 0 pairs (_) E8,E9: 9.. / E8 = 9 => 0 pairs (_) / E9 = 9 => 1 pairs (_) C5,D5: 9.. / C5 = 9 => 0 pairs (_) / D5 = 9 => 1 pairs (_) C6,D6: 9.. / C6 = 9 => 1 pairs (_) / D6 = 9 => 0 pairs (_) E9,I9: 9.. / E9 = 9 => 1 pairs (_) / I9 = 9 => 0 pairs (_) G2,G8: 9.. / G2 = 9 => 0 pairs (_) / G8 = 9 => 2 pairs (_) * DURATION: 0:00:16.377160 START: 02:44:43.289672 END: 02:44:59.666832 2020-12-16 * CP COUNT: (20) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E1,D2: 4.. / E1 = 4 => 0 pairs (X) / D2 = 4 ==> 0 pairs (*) * DURATION: 0:00:30.195992 START: 02:44:59.667489 END: 02:45:29.863481 2020-12-16 * REASONING E1,D2: 4.. * DIS # D2: 4 # D5: 6,8 => CTR => D5: 3,9 * PRF # D2: 4 + D5: 3,9 # D7: 8 => SOL * STA # D2: 4 + D5: 3,9 + D7: 8 * CNT 2 HDP CHAINS / 21 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
35520;12_05;GP;24;11.30;11.30;2.60
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E1,D2: 4..:
* INC # D2: 4 # F1: 1,3 => UNS * INC # D2: 4 # E3: 1,3 => UNS * INC # D2: 4 # E6: 1,3 => UNS * INC # D2: 4 # E6: 4,8 => UNS * INC # D2: 4 # G8: 1,9 => UNS * INC # D2: 4 # G8: 4,7,8 => UNS * INC # D2: 4 # H1: 1,2 => UNS * INC # D2: 4 # H1: 4,5 => UNS * INC # D2: 4 # B2: 1,2 => UNS * INC # D2: 4 # C2: 1,2 => UNS * INC # D2: 4 # E4: 6,8 => UNS * DIS # D2: 4 # D5: 6,8 => CTR => D5: 3,9 * INC # D2: 4 + D5: 3,9 # E4: 6,8 => UNS * INC # D2: 4 + D5: 3,9 # E4: 1,4 => UNS * INC # D2: 4 + D5: 3,9 # C4: 6,8 => UNS * INC # D2: 4 + D5: 3,9 # C4: 1,2,5 => UNS * INC # D2: 4 + D5: 3,9 # D7: 6,8 => UNS * INC # D2: 4 + D5: 3,9 # D7: 2 => UNS * INC # D2: 4 + D5: 3,9 # D7: 2,6 => UNS * PRF # D2: 4 + D5: 3,9 # D7: 8 => SOL * STA # D2: 4 + D5: 3,9 + D7: 8 * CNT 20 HDP CHAINS / 21 HYP OPENED