Analysis of xx-ph-01938599-2017_12-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7..5..9....4.8....6..9..5....3.5.........6.2.1....7..5..7.9.1.....1....6 initial
Autosolve
position: 98.7..6..7..5..9....4.89...6..9..5....3.5..6......6.2.1....7..5..7.9.1.....1....6 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for H7,H9: 9..:
* PRF # H9: 9 # D3: 2,3 => SOL * STA # H9: 9 + D3: 2,3 * CNT 1 HDP CHAINS / 7 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..9....4.8....6..9..5....3.5.........6.2.1....7..5..7.9.1.....1....6 | initial |
| 98.7..6..7..5..9....4.89...6..9..5....3.5..6......6.2.1....7..5..7.9.1.....1....6 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H1,H3: 5.. / H1 = 5 => 1 pairs (_) / H3 = 5 => 1 pairs (_) F8,F9: 5.. / F8 = 5 => 0 pairs (_) / F9 = 5 => 0 pairs (_) C1,H1: 5.. / C1 = 5 => 1 pairs (_) / H1 = 5 => 1 pairs (_) E2,D3: 6.. / E2 = 6 => 2 pairs (_) / D3 = 6 => 0 pairs (_) B3,D3: 6.. / B3 = 6 => 2 pairs (_) / D3 = 6 => 0 pairs (_) B8,D8: 6.. / B8 = 6 => 0 pairs (_) / D8 = 6 => 2 pairs (_) C2,C7: 6.. / C2 = 6 => 0 pairs (_) / C7 = 6 => 2 pairs (_) E2,E7: 6.. / E2 = 6 => 2 pairs (_) / E7 = 6 => 0 pairs (_) E4,E6: 7.. / E4 = 7 => 0 pairs (_) / E6 = 7 => 0 pairs (_) G9,H9: 7.. / G9 = 7 => 4 pairs (_) / H9 = 7 => 0 pairs (_) H2,I2: 8.. / H2 = 8 => 1 pairs (_) / I2 = 8 => 0 pairs (_) I5,I6: 9.. / I5 = 9 => 0 pairs (_) / I6 = 9 => 0 pairs (_) H7,H9: 9.. / H7 = 9 => 0 pairs (_) / H9 = 9 => 4 pairs (_) B5,I5: 9.. / B5 = 9 => 0 pairs (_) / I5 = 9 => 0 pairs (_) * DURATION: 0:00:09.335301 START: 19:27:39.114509 END: 19:27:48.449810 2020-10-06 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) H7,H9: 9.. / H7 = 9 => 0 pairs (X) / H9 = 9 ==> 0 pairs (*) * DURATION: 0:00:14.516945 START: 19:27:48.450400 END: 19:28:02.967345 2020-10-06 * REASONING H7,H9: 9.. * PRF # H9: 9 # D3: 2,3 => SOL * STA # H9: 9 + D3: 2,3 * CNT 1 HDP CHAINS / 7 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1938599;2017_12;GP;24;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for H7,H9: 9..:
* INC # H9: 9 # I1: 2,3 => UNS * INC # H9: 9 # I2: 2,3 => UNS * INC # H9: 9 # I3: 2,3 => UNS * INC # H9: 9 # A3: 2,3 => UNS * INC # H9: 9 # B3: 2,3 => UNS * PRF # H9: 9 # D3: 2,3 => SOL * STA # H9: 9 + D3: 2,3 * CNT 6 HDP CHAINS / 7 HYP OPENED