Analysis of xx-ph-00068412-12_11-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5..7.4.......5..9.8..8..9.63...3...8.6.....3..5.2.........9..8.6.........81 initial
Autosolve
position: 98.76.5..7.48......5..9.8..8..9.63...3...8.6.....3..582.8.......9..8.6.........81 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C4,E4: 5..:
* PRF # E4: 5 # I5: 2,4 => SOL * STA # E4: 5 + I5: 2,4 * CNT 1 HDP CHAINS / 16 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
| 98.76.5..7.4.......5..9.8..8..9.63...3...8.6.....3..5.2.........9..8.6.........81 | initial |
| 98.76.5..7.48......5..9.8..8..9.63...3...8.6.....3..582.8.......9..8.6.........81 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) E2,F2: 5.. / E2 = 5 => 1 pairs (_) / F2 = 5 => 2 pairs (_) I7,I8: 5.. / I7 = 5 => 0 pairs (_) / I8 = 5 => 0 pairs (_) C4,E4: 5.. / C4 = 5 => 1 pairs (_) / E4 = 5 => 2 pairs (_) I2,I3: 6.. / I2 = 6 => 1 pairs (_) / I3 = 6 => 2 pairs (_) D7,D9: 6.. / D7 = 6 => 0 pairs (_) / D9 = 6 => 2 pairs (_) B2,I2: 6.. / B2 = 6 => 2 pairs (_) / I2 = 6 => 1 pairs (_) B7,D7: 6.. / B7 = 6 => 2 pairs (_) / D7 = 6 => 0 pairs (_) H3,I3: 7.. / H3 = 7 => 0 pairs (_) / I3 = 7 => 2 pairs (_) C5,C6: 9.. / C5 = 9 => 2 pairs (_) / C6 = 9 => 0 pairs (_) F7,F9: 9.. / F7 = 9 => 2 pairs (_) / F9 = 9 => 0 pairs (_) C6,G6: 9.. / C6 = 9 => 0 pairs (_) / G6 = 9 => 2 pairs (_) F9,G9: 9.. / F9 = 9 => 0 pairs (_) / G9 = 9 => 2 pairs (_) H2,H7: 9.. / H2 = 9 => 1 pairs (_) / H7 = 9 => 1 pairs (_) * DURATION: 0:00:08.396932 START: 20:53:42.827111 END: 20:53:51.224043 2020-12-22 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B2,I2: 6.. / B2 = 6 ==> 2 pairs (_) / I2 = 6 ==> 1 pairs (_) I2,I3: 6.. / I2 = 6 ==> 1 pairs (_) / I3 = 6 ==> 2 pairs (_) C4,E4: 5.. / C4 = 5 => 0 pairs (X) / E4 = 5 ==> 0 pairs (*) * DURATION: 0:00:36.896246 START: 20:53:51.224587 END: 20:54:28.120833 2020-12-22 * REASONING C4,E4: 5.. * PRF # E4: 5 # I5: 2,4 => SOL * STA # E4: 5 + I5: 2,4 * CNT 1 HDP CHAINS / 16 HYP OPENED * DCP COUNT: (3) * SOLUTION FOUND
Header Info
68412;12_11;GP;25;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B2,I2: 6..:
* INC # B2: 6 # C1: 1,3 => UNS * INC # B2: 6 # C3: 1,3 => UNS * INC # B2: 6 # D3: 1,3 => UNS * INC # B2: 6 # F3: 1,3 => UNS * INC # B2: 6 # A8: 1,3 => UNS * INC # B2: 6 # A8: 4,5 => UNS * INC # B2: 6 # B7: 4,7 => UNS * INC # B2: 6 # B7: 1 => UNS * INC # B2: 6 # E9: 4,7 => UNS * INC # B2: 6 # F9: 4,7 => UNS * INC # B2: 6 # G9: 4,7 => UNS * INC # B2: 6 # B4: 4,7 => UNS * INC # B2: 6 # B6: 4,7 => UNS * INC # B2: 6 => UNS * INC # I2: 6 # C1: 1,2 => UNS * INC # I2: 6 # C3: 1,2 => UNS * INC # I2: 6 # E2: 1,2 => UNS * INC # I2: 6 # F2: 1,2 => UNS * INC # I2: 6 # G2: 1,2 => UNS * INC # I2: 6 # H2: 1,2 => UNS * INC # I2: 6 # B4: 1,2 => UNS * INC # I2: 6 # B6: 1,2 => UNS * INC # I2: 6 => UNS * CNT 23 HDP CHAINS / 23 HYP OPENED
Full list of HDP chains traversed for I2,I3: 6..:
* INC # I3: 6 # C1: 1,3 => UNS * INC # I3: 6 # C3: 1,3 => UNS * INC # I3: 6 # D3: 1,3 => UNS * INC # I3: 6 # F3: 1,3 => UNS * INC # I3: 6 # A8: 1,3 => UNS * INC # I3: 6 # A8: 4,5 => UNS * INC # I3: 6 # B7: 4,7 => UNS * INC # I3: 6 # B7: 1 => UNS * INC # I3: 6 # E9: 4,7 => UNS * INC # I3: 6 # F9: 4,7 => UNS * INC # I3: 6 # G9: 4,7 => UNS * INC # I3: 6 # B4: 4,7 => UNS * INC # I3: 6 # B6: 4,7 => UNS * INC # I3: 6 => UNS * INC # I2: 6 # C1: 1,2 => UNS * INC # I2: 6 # C3: 1,2 => UNS * INC # I2: 6 # E2: 1,2 => UNS * INC # I2: 6 # F2: 1,2 => UNS * INC # I2: 6 # G2: 1,2 => UNS * INC # I2: 6 # H2: 1,2 => UNS * INC # I2: 6 # B4: 1,2 => UNS * INC # I2: 6 # B6: 1,2 => UNS * INC # I2: 6 => UNS * CNT 23 HDP CHAINS / 23 HYP OPENED
Full list of HDP chains traversed for C4,E4: 5..:
* INC # E4: 5 # F1: 1,2 => UNS * INC # E4: 5 # D3: 1,2 => UNS * INC # E4: 5 # F3: 1,2 => UNS * INC # E4: 5 # B2: 1,2 => UNS * INC # E4: 5 # G2: 1,2 => UNS * INC # E4: 5 # H2: 1,2 => UNS * INC # E4: 5 # E5: 1,2 => UNS * INC # E4: 5 # E5: 4,7 => UNS * INC # E4: 5 # H1: 2,4 => UNS * INC # E4: 5 # H3: 2,4 => UNS * INC # E4: 5 # I3: 2,4 => UNS * INC # E4: 5 # F1: 2,4 => UNS * INC # E4: 5 # F1: 1,3 => UNS * INC # E4: 5 # I4: 2,4 => UNS * PRF # E4: 5 # I5: 2,4 => SOL * STA # E4: 5 + I5: 2,4 * CNT 15 HDP CHAINS / 16 HYP OPENED