Analysis of xx-ph-00000227-H29-base.sdk
Contents
Original Sudoku
level: very deep
position: 98.7.....7...8.6....5..4...6..3..9...9.....2...4..1..6.3.8..7.......2.1.........5 initial
Autosolve
position: 98.7.....74..8.6....5..4...6..3..9...9.....2...4..1..6.3.8..7.......2.1.........5 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000009
See Appendix: Full HDP Chains for full list of HDP chains.
Very Deep Constraint Pair Analysis
Time used: 0:00:22.521992
List of important HDP chains detected for C1,B3: 6..:
* PRF # C1: 6 # A3: 1,2 # A7: 1,2 => SOL * STA # C1: 6 # A3: 1,2 + A7: 1,2 * CNT 1 HDP CHAINS / 31 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
| 98.7.....7...8.6....5..4...6..3..9...9.....2...4..1..6.3.8..7.......2.1.........5 | initial |
| 98.7.....74..8.6....5..4...6..3..9...9.....2...4..1..6.3.8..7.......2.1.........5 | autosolve |
Classification
level: very deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I7,G9: 2.. / I7 = 2 => 0 pairs (_) / G9 = 2 => 1 pairs (_) C1,B3: 6.. / C1 = 6 => 2 pairs (_) / B3 = 6 => 1 pairs (_) H7,H9: 6.. / H7 = 6 => 1 pairs (_) / H9 = 6 => 1 pairs (_) H3,I3: 7.. / H3 = 7 => 0 pairs (_) / I3 = 7 => 0 pairs (_) F4,F5: 8.. / F4 = 8 => 0 pairs (_) / F5 = 8 => 1 pairs (_) D6,E6: 9.. / D6 = 9 => 0 pairs (_) / E6 = 9 => 1 pairs (_) * DURATION: 0:00:04.787904 START: 14:56:46.844405 END: 14:56:51.632309 2020-09-29 * CP COUNT: (6) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,B3: 6.. / C1 = 6 ==> 2 pairs (_) / B3 = 6 ==> 1 pairs (_) H7,H9: 6.. / H7 = 6 ==> 1 pairs (_) / H9 = 6 ==> 1 pairs (_) D6,E6: 9.. / D6 = 9 ==> 0 pairs (_) / E6 = 9 ==> 1 pairs (_) F4,F5: 8.. / F4 = 8 ==> 0 pairs (_) / F5 = 8 ==> 1 pairs (_) I7,G9: 2.. / I7 = 2 ==> 0 pairs (_) / G9 = 2 ==> 1 pairs (_) H3,I3: 7.. / H3 = 7 ==> 0 pairs (_) / I3 = 7 ==> 0 pairs (_) * DURATION: 0:00:27.070224 START: 14:56:51.633407 END: 14:57:18.703631 2020-09-29 * DCP COUNT: (6) * INCONCLUSIVE -------------------------------------------------- * VERY DEEP CONSTRAINT PAIRS (PAIR REDUCTION, RECURSIVE) C1,B3: 6.. / C1 = 6 ==> 0 pairs (*) / B3 = 6 => 0 pairs (X) * DURATION: 0:00:22.520326 START: 14:57:18.779936 END: 14:57:41.300262 2020-09-29 * REASONING C1,B3: 6.. * PRF # C1: 6 # A3: 1,2 # A7: 1,2 => SOL * STA # C1: 6 # A3: 1,2 + A7: 1,2 * CNT 1 HDP CHAINS / 31 HYP OPENED * VDCP COUNT: (1) * SOLUTION FOUND
Header Info
227;H29;GP;22;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,B3: 6..:
* INC # C1: 6 # C2: 1,2 => UNS * INC # C1: 6 # A3: 1,2 => UNS * INC # C1: 6 # D3: 1,2 => UNS * INC # C1: 6 # E3: 1,2 => UNS * INC # C1: 6 # G3: 1,2 => UNS * INC # C1: 6 # I3: 1,2 => UNS * INC # C1: 6 # B4: 1,2 => UNS * INC # C1: 6 # B9: 1,2 => UNS * INC # C1: 6 # E1: 3,5 => UNS * INC # C1: 6 # F2: 3,5 => UNS * INC # C1: 6 # G1: 3,5 => UNS * INC # C1: 6 # H1: 3,5 => UNS * INC # C1: 6 => UNS * INC # B3: 6 # E8: 5,7 => UNS * INC # B3: 6 # E8: 3,4,6,9 => UNS * INC # B3: 6 # B4: 5,7 => UNS * INC # B3: 6 # B6: 5,7 => UNS * INC # B3: 6 => UNS * CNT 18 HDP CHAINS / 18 HYP OPENED
Full list of HDP chains traversed for H7,H9: 6..:
* INC # H7: 6 # E7: 5,9 => UNS * INC # H7: 6 # D8: 5,9 => UNS * INC # H7: 6 # E8: 5,9 => UNS * INC # H7: 6 # F2: 5,9 => UNS * INC # H7: 6 # F2: 3 => UNS * INC # H7: 6 => UNS * INC # H9: 6 # I7: 4,9 => UNS * INC # H9: 6 # I8: 4,9 => UNS * INC # H9: 6 # E7: 4,9 => UNS * INC # H9: 6 # E7: 1,5,6 => UNS * INC # H9: 6 => UNS * CNT 11 HDP CHAINS / 11 HYP OPENED
Full list of HDP chains traversed for D6,E6: 9..:
* INC # E6: 9 # E4: 2,5 => UNS * INC # E6: 9 # E4: 4,7 => UNS * INC # E6: 9 # A6: 2,5 => UNS * INC # E6: 9 # B6: 2,5 => UNS * INC # E6: 9 # D2: 2,5 => UNS * INC # E6: 9 # D2: 1,9 => UNS * INC # E6: 9 => UNS * INC # D6: 9 => UNS * CNT 8 HDP CHAINS / 8 HYP OPENED
Full list of HDP chains traversed for F4,F5: 8..:
* INC # F5: 8 # E4: 5,7 => UNS * INC # F5: 8 # E5: 5,7 => UNS * INC # F5: 8 # E6: 5,7 => UNS * INC # F5: 8 # B4: 5,7 => UNS * INC # F5: 8 # H4: 5,7 => UNS * INC # F5: 8 => UNS * INC # F4: 8 => UNS * CNT 7 HDP CHAINS / 7 HYP OPENED
Full list of HDP chains traversed for I7,G9: 2..:
* INC # G9: 2 # H7: 4,9 => UNS * INC # G9: 2 # I8: 4,9 => UNS * INC # G9: 2 # H9: 4,9 => UNS * INC # G9: 2 # E7: 4,9 => UNS * INC # G9: 2 # E7: 1,5,6 => UNS * INC # G9: 2 => UNS * INC # I7: 2 => UNS * CNT 7 HDP CHAINS / 7 HYP OPENED
Full list of HDP chains traversed for H3,I3: 7..:
* INC # H3: 7 => UNS * INC # I3: 7 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A2. Very Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,B3: 6..:
* INC # C1: 6 # C2: 1,2 => UNS * INC # C1: 6 # A3: 1,2 => UNS * INC # C1: 6 # D3: 1,2 => UNS * INC # C1: 6 # E3: 1,2 => UNS * INC # C1: 6 # G3: 1,2 => UNS * INC # C1: 6 # I3: 1,2 => UNS * INC # C1: 6 # B4: 1,2 => UNS * INC # C1: 6 # B9: 1,2 => UNS * INC # C1: 6 # E1: 3,5 => UNS * INC # C1: 6 # F2: 3,5 => UNS * INC # C1: 6 # G1: 3,5 => UNS * INC # C1: 6 # H1: 3,5 => UNS * INC # C1: 6 # C2: 1,2 # D2: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # I2: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # C4: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # C7: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # C9: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # D3: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # E3: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # G3: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # I3: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # B4: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # B9: 1,2 => UNS * INC # C1: 6 # C2: 1,2 # E1: 3,5 => UNS * INC # C1: 6 # C2: 1,2 # F2: 3,5 => UNS * INC # C1: 6 # C2: 1,2 # G1: 3,5 => UNS * INC # C1: 6 # C2: 1,2 # H1: 3,5 => UNS * INC # C1: 6 # C2: 1,2 => UNS * PRF # C1: 6 # A3: 1,2 # A7: 1,2 => SOL * STA # C1: 6 # A3: 1,2 + A7: 1,2 * CNT 29 HDP CHAINS / 31 HYP OPENED