Analysis of xx-ph-00698030-12_12_19-base.sdk
Contents
Original Sudoku
level: deep
position: ........1..2..3....4.25..6......76....682..4.4.......2.5..7.....68.....92..68..5. initial
Autosolve
position: ........1..2..3....4.25..6..2...76....682..4.4.......2.5..7...6.68.....92..68..5. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for A4,B6: 8..:
* DIS # A4: 8 # G1: 7,9 => CTR => G1: 2,3,4,5 * PRF # A4: 8 + G1: 2,3,4,5 # G2: 7,9 => SOL * STA # A4: 8 + G1: 2,3,4,5 + G2: 7,9 * CNT 2 HDP CHAINS / 4 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
| ........1..2..3....4.25..6......76....682..4.4.......2.5..7.....68.....92..68..5. | initial |
| ........1..2..3....4.25..6..2...76....682..4.4.......2.5..7...6.68.....92..68..5. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G1,H1: 2.. / G1 = 2 => 2 pairs (_) / H1 = 2 => 0 pairs (_) F7,F8: 2.. / F7 = 2 => 0 pairs (_) / F8 = 2 => 2 pairs (_) D4,E4: 4.. / D4 = 4 => 1 pairs (_) / E4 = 4 => 2 pairs (_) C7,C9: 4.. / C7 = 4 => 0 pairs (_) / C9 = 4 => 2 pairs (_) I2,I9: 4.. / I2 = 4 => 1 pairs (_) / I9 = 4 => 1 pairs (_) D8,F8: 5.. / D8 = 5 => 0 pairs (_) / F8 = 5 => 1 pairs (_) A1,A2: 6.. / A1 = 6 => 1 pairs (_) / A2 = 6 => 0 pairs (_) E6,F6: 6.. / E6 = 6 => 3 pairs (_) / F6 = 6 => 0 pairs (_) A2,E2: 6.. / A2 = 6 => 0 pairs (_) / E2 = 6 => 1 pairs (_) F1,F6: 6.. / F1 = 6 => 3 pairs (_) / F6 = 6 => 0 pairs (_) D1,D2: 7.. / D1 = 7 => 0 pairs (_) / D2 = 7 => 2 pairs (_) F1,F3: 8.. / F1 = 8 => 2 pairs (_) / F3 = 8 => 1 pairs (_) A4,B6: 8.. / A4 = 8 => 2 pairs (_) / B6 = 8 => 0 pairs (_) G7,H7: 8.. / G7 = 8 => 0 pairs (_) / H7 = 8 => 1 pairs (_) * DURATION: 0:00:09.790454 START: 23:38:59.017268 END: 23:39:08.807722 2020-12-29 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F1,F6: 6.. / F1 = 6 ==> 3 pairs (_) / F6 = 6 ==> 0 pairs (_) E6,F6: 6.. / E6 = 6 ==> 3 pairs (_) / F6 = 6 ==> 0 pairs (_) F1,F3: 8.. / F1 = 8 ==> 2 pairs (_) / F3 = 8 ==> 1 pairs (_) D4,E4: 4.. / D4 = 4 ==> 1 pairs (_) / E4 = 4 ==> 2 pairs (_) A4,B6: 8.. / A4 = 8 ==> 0 pairs (*) / B6 = 8 => 0 pairs (X) * DURATION: 0:00:56.531437 START: 23:39:08.808390 END: 23:40:05.339827 2020-12-29 * REASONING A4,B6: 8.. * DIS # A4: 8 # G1: 7,9 => CTR => G1: 2,3,4,5 * PRF # A4: 8 + G1: 2,3,4,5 # G2: 7,9 => SOL * STA # A4: 8 + G1: 2,3,4,5 + G2: 7,9 * CNT 2 HDP CHAINS / 4 HYP OPENED * DCP COUNT: (5) * SOLUTION FOUND
Header Info
698030;12_12_19;dob;24;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F1,F6: 6..:
* INC # F1: 6 # D1: 4,9 => UNS * INC # F1: 6 # D2: 4,9 => UNS * INC # F1: 6 # E2: 4,9 => UNS * INC # F1: 6 # G1: 4,9 => UNS * INC # F1: 6 # G1: 2,3,7,8 => UNS * INC # F1: 6 # E4: 4,9 => UNS * INC # F1: 6 # E4: 1,3 => UNS * INC # F1: 6 # G1: 3,7 => UNS * INC # F1: 6 # H1: 3,7 => UNS * INC # F1: 6 # G3: 3,7 => UNS * INC # F1: 6 # A3: 3,7 => UNS * INC # F1: 6 # C3: 3,7 => UNS * INC # F1: 6 # I5: 3,7 => UNS * INC # F1: 6 # I9: 3,7 => UNS * INC # F1: 6 # D7: 1,3 => UNS * INC # F1: 6 # D8: 1,3 => UNS * INC # F1: 6 # A8: 1,3 => UNS * INC # F1: 6 # G8: 1,3 => UNS * INC # F1: 6 # H8: 1,3 => UNS * INC # F1: 6 # E4: 1,3 => UNS * INC # F1: 6 # E4: 4,9 => UNS * INC # F1: 6 => UNS * INC # F6: 6 => UNS * CNT 23 HDP CHAINS / 23 HYP OPENED
Full list of HDP chains traversed for E6,F6: 6..:
* INC # E6: 6 # D1: 4,9 => UNS * INC # E6: 6 # D2: 4,9 => UNS * INC # E6: 6 # E2: 4,9 => UNS * INC # E6: 6 # G1: 4,9 => UNS * INC # E6: 6 # G1: 2,3,7,8 => UNS * INC # E6: 6 # E4: 4,9 => UNS * INC # E6: 6 # E4: 1,3 => UNS * INC # E6: 6 # G1: 3,7 => UNS * INC # E6: 6 # H1: 3,7 => UNS * INC # E6: 6 # G3: 3,7 => UNS * INC # E6: 6 # A3: 3,7 => UNS * INC # E6: 6 # C3: 3,7 => UNS * INC # E6: 6 # I5: 3,7 => UNS * INC # E6: 6 # I9: 3,7 => UNS * INC # E6: 6 # D7: 1,3 => UNS * INC # E6: 6 # D8: 1,3 => UNS * INC # E6: 6 # A8: 1,3 => UNS * INC # E6: 6 # G8: 1,3 => UNS * INC # E6: 6 # H8: 1,3 => UNS * INC # E6: 6 # E4: 1,3 => UNS * INC # E6: 6 # E4: 4,9 => UNS * INC # E6: 6 => UNS * INC # F6: 6 => UNS * CNT 23 HDP CHAINS / 23 HYP OPENED
Full list of HDP chains traversed for F1,F3: 8..:
* INC # F1: 8 # D2: 1,9 => UNS * INC # F1: 8 # E2: 1,9 => UNS * INC # F1: 8 # A3: 1,9 => UNS * INC # F1: 8 # C3: 1,9 => UNS * INC # F1: 8 # F5: 1,9 => UNS * INC # F1: 8 # F7: 1,9 => UNS * INC # F1: 8 # F9: 1,9 => UNS * INC # F1: 8 # D7: 1,3 => UNS * INC # F1: 8 # D8: 1,3 => UNS * INC # F1: 8 # A8: 1,3 => UNS * INC # F1: 8 # G8: 1,3 => UNS * INC # F1: 8 # H8: 1,3 => UNS * INC # F1: 8 # E4: 1,3 => UNS * INC # F1: 8 # E6: 1,3 => UNS * INC # F1: 8 => UNS * INC # F3: 8 # G1: 3,7 => UNS * INC # F3: 8 # H1: 3,7 => UNS * INC # F3: 8 # G3: 3,7 => UNS * INC # F3: 8 # A3: 3,7 => UNS * INC # F3: 8 # C3: 3,7 => UNS * INC # F3: 8 # I5: 3,7 => UNS * INC # F3: 8 # I9: 3,7 => UNS * INC # F3: 8 => UNS * CNT 23 HDP CHAINS / 23 HYP OPENED
Full list of HDP chains traversed for D4,E4: 4..:
* INC # E4: 4 # F1: 6,9 => UNS * INC # E4: 4 # E2: 6,9 => UNS * INC # E4: 4 # A1: 6,9 => UNS * INC # E4: 4 # A1: 3,5,7,8 => UNS * INC # E4: 4 # E6: 6,9 => UNS * INC # E4: 4 # E6: 1,3 => UNS * INC # E4: 4 # D7: 1,3 => UNS * INC # E4: 4 # D8: 1,3 => UNS * INC # E4: 4 # A8: 1,3 => UNS * INC # E4: 4 # G8: 1,3 => UNS * INC # E4: 4 # H8: 1,3 => UNS * INC # E4: 4 # E6: 1,3 => UNS * INC # E4: 4 # E6: 6,9 => UNS * INC # E4: 4 => UNS * INC # D4: 4 # D2: 7,9 => UNS * INC # D4: 4 # D2: 1 => UNS * INC # D4: 4 # A1: 7,9 => UNS * INC # D4: 4 # B1: 7,9 => UNS * INC # D4: 4 # C1: 7,9 => UNS * INC # D4: 4 # G1: 7,9 => UNS * INC # D4: 4 # H1: 7,9 => UNS * INC # D4: 4 => UNS * CNT 22 HDP CHAINS / 22 HYP OPENED
Full list of HDP chains traversed for A4,B6: 8..:
* DIS # A4: 8 # G1: 7,9 => CTR => G1: 2,3,4,5 * INC # A4: 8 + G1: 2,3,4,5 # H1: 7,9 => UNS * PRF # A4: 8 + G1: 2,3,4,5 # G2: 7,9 => SOL * STA # A4: 8 + G1: 2,3,4,5 + G2: 7,9 * CNT 3 HDP CHAINS / 4 HYP OPENED