Analysis of xx-ph-00248059-12_12_03-base.sdk
Contents
Original Sudoku
level: very deep
position: .......12..1..3....4..5.6.....5..7...6.....247...4...6..38.9....5..7.2..9.......8 initial
Autosolve
position: .......12..1..3....4..5.6.....5..7...6.....247...4...6..38.9....5..7.2..9....5..8 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
See Appendix: Full HDP Chains for full list of HDP chains.
Very Deep Constraint Pair Analysis
Time used: 0:00:34.824068
List of important HDP chains detected for E4,F4: 6..:
* PRF # E4: 6 # E2: 2 # G1: 4,5 => SOL * STA # E4: 6 # E2: 2 + G1: 4,5 * CNT 1 HDP CHAINS / 46 HYP OPENED
See Appendix: Full HDP Chains for full list of HDP chains.
Details
This sudoku is very deep. Here is some information that may be helpful on how to proceed.
Positions
| .......12..1..3....4..5.6.....5..7...6.....247...4...6..38.9....5..7.2..9.......8 | initial |
| .......12..1..3....4..5.6.....5..7...6.....247...4...6..38.9....5..7.2..9....5..8 | autosolve |
Classification
level: very deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D3,F3: 1.. / D3 = 1 => 0 pairs (_) / F3 = 1 => 3 pairs (_) A4,C4: 4.. / A4 = 4 => 1 pairs (_) / C4 = 4 => 1 pairs (_) F1,F8: 4.. / F1 = 4 => 1 pairs (_) / F8 = 4 => 1 pairs (_) I2,I7: 5.. / I2 = 5 => 1 pairs (_) / I7 = 5 => 2 pairs (_) E4,F4: 6.. / E4 = 6 => 4 pairs (_) / F4 = 6 => 1 pairs (_) D5,F5: 7.. / D5 = 7 => 1 pairs (_) / F5 = 7 => 0 pairs (_) A8,C8: 8.. / A8 = 8 => 2 pairs (_) / C8 = 8 => 1 pairs (_) H8,I8: 9.. / H8 = 9 => 2 pairs (_) / I8 = 9 => 3 pairs (_) * DURATION: 0:00:04.753866 START: 17:12:15.828011 END: 17:12:20.581877 2020-10-01 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E4,F4: 6.. / E4 = 6 ==> 4 pairs (_) / F4 = 6 ==> 1 pairs (_) H8,I8: 9.. / H8 = 9 ==> 2 pairs (_) / I8 = 9 ==> 3 pairs (_) D3,F3: 1.. / D3 = 1 ==> 0 pairs (_) / F3 = 1 ==> 3 pairs (_) A8,C8: 8.. / A8 = 8 ==> 2 pairs (_) / C8 = 8 ==> 1 pairs (_) I2,I7: 5.. / I2 = 5 ==> 1 pairs (_) / I7 = 5 ==> 2 pairs (_) F1,F8: 4.. / F1 = 4 ==> 1 pairs (_) / F8 = 4 ==> 1 pairs (_) A4,C4: 4.. / A4 = 4 ==> 1 pairs (_) / C4 = 4 ==> 1 pairs (_) D5,F5: 7.. / D5 = 7 ==> 1 pairs (_) / F5 = 7 ==> 0 pairs (_) * DURATION: 0:00:57.602784 START: 17:12:20.582482 END: 17:13:18.185266 2020-10-01 * DCP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * VERY DEEP CONSTRAINT PAIRS (PAIR REDUCTION, RECURSIVE) E4,F4: 6.. / E4 = 6 ==> 0 pairs (*) / F4 = 6 => 0 pairs (X) * DURATION: 0:00:34.822297 START: 17:13:18.272279 END: 17:13:53.094576 2020-10-01 * REASONING E4,F4: 6.. * PRF # E4: 6 # E2: 2 # G1: 4,5 => SOL * STA # E4: 6 # E2: 2 + G1: 4,5 * CNT 1 HDP CHAINS / 46 HYP OPENED * VDCP COUNT: (1) * SOLUTION FOUND
Header Info
248059;12_12_03;dob;23;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E4,F4: 6..:
* INC # E4: 6 # E2: 8,9 => UNS * INC # E4: 6 # E2: 2 => UNS * INC # E4: 6 # B1: 8,9 => UNS * INC # E4: 6 # C1: 8,9 => UNS * INC # E4: 6 # G1: 8,9 => UNS * INC # E4: 6 # E5: 8,9 => UNS * INC # E4: 6 # E5: 1,3 => UNS * INC # E4: 6 # D1: 4,6 => UNS * INC # E4: 6 # D2: 4,6 => UNS * INC # E4: 6 # D9: 1,2 => UNS * INC # E4: 6 # E9: 1,2 => UNS * INC # E4: 6 # A7: 1,2 => UNS * INC # E4: 6 # B7: 1,2 => UNS * INC # E4: 6 # D8: 4,6 => UNS * INC # E4: 6 # D9: 4,6 => UNS * INC # E4: 6 # A8: 4,6 => UNS * INC # E4: 6 # C8: 4,6 => UNS * INC # E4: 6 # H8: 4,6 => UNS * INC # E4: 6 => UNS * INC # F4: 6 # D8: 1,4 => UNS * INC # F4: 6 # D9: 1,4 => UNS * INC # F4: 6 # A8: 1,4 => UNS * INC # F4: 6 # A8: 6,8 => UNS * INC # F4: 6 => UNS * CNT 24 HDP CHAINS / 24 HYP OPENED
Full list of HDP chains traversed for H8,I8: 9..:
* INC # I8: 9 # H2: 5,7 => UNS * INC # I8: 9 # H2: 4,8,9 => UNS * INC # I8: 9 # I7: 5,7 => UNS * INC # I8: 9 # I7: 1 => UNS * INC # I8: 9 # H3: 3,7 => UNS * INC # I8: 9 # H3: 8,9 => UNS * INC # I8: 9 # G5: 1,3 => UNS * INC # I8: 9 # G6: 1,3 => UNS * INC # I8: 9 # A4: 1,3 => UNS * INC # I8: 9 # B4: 1,3 => UNS * INC # I8: 9 # E4: 1,3 => UNS * INC # I8: 9 => UNS * INC # H8: 9 # G5: 3,8 => UNS * INC # H8: 9 # G6: 3,8 => UNS * INC # H8: 9 # H6: 3,8 => UNS * INC # H8: 9 # A4: 3,8 => UNS * INC # H8: 9 # B4: 3,8 => UNS * INC # H8: 9 # E4: 3,8 => UNS * INC # H8: 9 # H3: 3,8 => UNS * INC # H8: 9 # H3: 7 => UNS * INC # H8: 9 # G9: 1,3 => UNS * INC # H8: 9 # G9: 4 => UNS * INC # H8: 9 # D8: 1,3 => UNS * INC # H8: 9 # D8: 4,6 => UNS * INC # H8: 9 # I4: 1,3 => UNS * INC # H8: 9 # I4: 9 => UNS * INC # H8: 9 => UNS * CNT 27 HDP CHAINS / 27 HYP OPENED
Full list of HDP chains traversed for D3,F3: 1..:
* INC # F3: 1 # F1: 7,8 => UNS * INC # F3: 1 # F1: 4,6 => UNS * INC # F3: 1 # F4: 2,8 => UNS * INC # F3: 1 # F4: 6 => UNS * INC # F3: 1 # B6: 2,8 => UNS * INC # F3: 1 # C6: 2,8 => UNS * INC # F3: 1 # D8: 4,6 => UNS * INC # F3: 1 # D9: 4,6 => UNS * INC # F3: 1 # A8: 4,6 => UNS * INC # F3: 1 # C8: 4,6 => UNS * INC # F3: 1 # H8: 4,6 => UNS * INC # F3: 1 # F1: 4,6 => UNS * INC # F3: 1 # F1: 7,8 => UNS * INC # F3: 1 => UNS * INC # D3: 1 => UNS * CNT 15 HDP CHAINS / 15 HYP OPENED
Full list of HDP chains traversed for A8,C8: 8..:
* INC # A8: 8 # A4: 2,3 => UNS * INC # A8: 8 # A4: 1,4 => UNS * INC # A8: 8 # A7: 4,6 => UNS * INC # A8: 8 # C9: 4,6 => UNS * INC # A8: 8 # D8: 4,6 => UNS * INC # A8: 8 # F8: 4,6 => UNS * INC # A8: 8 # H8: 4,6 => UNS * INC # A8: 8 => UNS * INC # C8: 8 # C6: 5,9 => UNS * INC # C8: 8 # C6: 2 => UNS * INC # C8: 8 # G5: 5,9 => UNS * INC # C8: 8 # G5: 1,3,8 => UNS * INC # C8: 8 # C1: 5,9 => UNS * INC # C8: 8 # C1: 6,7 => UNS * INC # C8: 8 => UNS * CNT 15 HDP CHAINS / 15 HYP OPENED
Full list of HDP chains traversed for I2,I7: 5..:
* INC # I7: 5 # I3: 7,9 => UNS * INC # I7: 5 # I3: 3 => UNS * INC # I7: 5 # B2: 7,9 => UNS * INC # I7: 5 # D2: 7,9 => UNS * INC # I7: 5 # G9: 1,4 => UNS * INC # I7: 5 # G9: 3 => UNS * INC # I7: 5 # A7: 1,4 => UNS * INC # I7: 5 # A7: 2,6 => UNS * INC # I7: 5 => UNS * INC # I2: 5 # B7: 1,7 => UNS * INC # I2: 5 # B7: 2 => UNS * INC # I2: 5 => UNS * CNT 12 HDP CHAINS / 12 HYP OPENED
Full list of HDP chains traversed for F1,F8: 4..:
* INC # F1: 4 # E7: 1,6 => UNS * INC # F1: 4 # D8: 1,6 => UNS * INC # F1: 4 # D9: 1,6 => UNS * INC # F1: 4 # E9: 1,6 => UNS * INC # F1: 4 # A8: 1,6 => UNS * INC # F1: 4 # A8: 4,8 => UNS * INC # F1: 4 # F4: 1,6 => UNS * INC # F1: 4 # F4: 2,8 => UNS * INC # F1: 4 => UNS * INC # F8: 4 # A8: 6,8 => UNS * INC # F8: 4 # A8: 1 => UNS * INC # F8: 4 # C1: 6,8 => UNS * INC # F8: 4 # C1: 5,7,9 => UNS * INC # F8: 4 => UNS * CNT 14 HDP CHAINS / 14 HYP OPENED
Full list of HDP chains traversed for A4,C4: 4..:
* INC # A4: 4 # I8: 1,3 => UNS * INC # A4: 4 # I8: 9 => UNS * INC # A4: 4 # D9: 1,3 => UNS * INC # A4: 4 # E9: 1,3 => UNS * INC # A4: 4 # G5: 1,3 => UNS * INC # A4: 4 # G6: 1,3 => UNS * INC # A4: 4 => UNS * INC # C4: 4 # A8: 6,8 => UNS * INC # C4: 4 # A8: 1,4 => UNS * INC # C4: 4 # C1: 6,8 => UNS * INC # C4: 4 # C1: 5,7,9 => UNS * INC # C4: 4 => UNS * CNT 12 HDP CHAINS / 12 HYP OPENED
Full list of HDP chains traversed for D5,F5: 7..:
* INC # D5: 7 # E4: 1,8 => UNS * INC # D5: 7 # F4: 1,8 => UNS * INC # D5: 7 # E5: 1,8 => UNS * INC # D5: 7 # F6: 1,8 => UNS * INC # D5: 7 # A5: 1,8 => UNS * INC # D5: 7 # G5: 1,8 => UNS * INC # D5: 7 # F3: 1,8 => UNS * INC # D5: 7 # F3: 2,7 => UNS * INC # D5: 7 => UNS * INC # F5: 7 => UNS * CNT 10 HDP CHAINS / 10 HYP OPENED
A2. Very Deep Constraint Pair Analysis
Full list of HDP chains traversed for E4,F4: 6..:
* INC # E4: 6 # E2: 8,9 => UNS * INC # E4: 6 # E2: 2 => UNS * INC # E4: 6 # B1: 8,9 => UNS * INC # E4: 6 # C1: 8,9 => UNS * INC # E4: 6 # G1: 8,9 => UNS * INC # E4: 6 # E5: 8,9 => UNS * INC # E4: 6 # E5: 1,3 => UNS * INC # E4: 6 # D1: 4,6 => UNS * INC # E4: 6 # D2: 4,6 => UNS * INC # E4: 6 # D9: 1,2 => UNS * INC # E4: 6 # E9: 1,2 => UNS * INC # E4: 6 # A7: 1,2 => UNS * INC # E4: 6 # B7: 1,2 => UNS * INC # E4: 6 # D8: 4,6 => UNS * INC # E4: 6 # D9: 4,6 => UNS * INC # E4: 6 # A8: 4,6 => UNS * INC # E4: 6 # C8: 4,6 => UNS * INC # E4: 6 # H8: 4,6 => UNS * INC # E4: 6 # E2: 8,9 # B1: 8,9 => UNS * INC # E4: 6 # E2: 8,9 # C1: 8,9 => UNS * INC # E4: 6 # E2: 8,9 # G1: 8,9 => UNS * INC # E4: 6 # E2: 8,9 # D1: 4,6 => UNS * INC # E4: 6 # E2: 8,9 # D2: 4,6 => UNS * INC # E4: 6 # E2: 8,9 # B2: 8,9 => UNS * INC # E4: 6 # E2: 8,9 # G2: 8,9 => UNS * INC # E4: 6 # E2: 8,9 # H2: 8,9 => UNS * INC # E4: 6 # E2: 8,9 # D5: 1,3 => UNS * INC # E4: 6 # E2: 8,9 # D6: 1,3 => UNS * INC # E4: 6 # E2: 8,9 # A5: 1,3 => UNS * INC # E4: 6 # E2: 8,9 # G5: 1,3 => UNS * INC # E4: 6 # E2: 8,9 # E9: 1,3 => UNS * INC # E4: 6 # E2: 8,9 # E9: 2 => UNS * INC # E4: 6 # E2: 8,9 # E9: 1,2 => UNS * INC # E4: 6 # E2: 8,9 # E9: 3 => UNS * INC # E4: 6 # E2: 8,9 # A7: 1,2 => UNS * INC # E4: 6 # E2: 8,9 # B7: 1,2 => UNS * INC # E4: 6 # E2: 8,9 # D8: 4,6 => UNS * INC # E4: 6 # E2: 8,9 # D9: 4,6 => UNS * INC # E4: 6 # E2: 8,9 # A8: 4,6 => UNS * INC # E4: 6 # E2: 8,9 # C8: 4,6 => UNS * INC # E4: 6 # E2: 8,9 # H8: 4,6 => UNS * INC # E4: 6 # E2: 8,9 => UNS * INC # E4: 6 # E2: 2 # G1: 3,9 => UNS * PRF # E4: 6 # E2: 2 # G1: 4,5 => SOL * STA # E4: 6 # E2: 2 + G1: 4,5 * CNT 44 HDP CHAINS / 46 HYP OPENED