Analysis of xx-ph-00042143-12_07-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76.5....5....76.....5...74..8......9..6......37....2...1...7..8...9.....2.86.. initial
Autosolve
position: 98.76.5....5....76.....5...74..8......9..67.....37....2...1...7..8..79.....2.86.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for E2,E9: 9..:
* PRF # E9: 9 # F2: 3,4 => SOL * STA # E9: 9 + F2: 3,4 * CNT 1 HDP CHAINS / 8 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....5....76.....5...74..8......9..6......37....2...1...7..8...9.....2.86.. | initial |
| 98.76.5....5....76.....5...74..8......9..67.....37....2...1...7..8..79.....2.86.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H8,I8: 2.. / H8 = 2 => 0 pairs (_) / I8 = 2 => 0 pairs (_) H4,H6: 6.. / H4 = 6 => 0 pairs (_) / H6 = 6 => 2 pairs (_) D7,D8: 6.. / D7 = 6 => 2 pairs (_) / D8 = 6 => 0 pairs (_) C4,H4: 6.. / C4 = 6 => 2 pairs (_) / H4 = 6 => 0 pairs (_) B3,C3: 7.. / B3 = 7 => 0 pairs (_) / C3 = 7 => 1 pairs (_) B9,C9: 7.. / B9 = 7 => 1 pairs (_) / C9 = 7 => 0 pairs (_) B3,B9: 7.. / B3 = 7 => 0 pairs (_) / B9 = 7 => 1 pairs (_) C3,C9: 7.. / C3 = 7 => 1 pairs (_) / C9 = 7 => 0 pairs (_) D2,D3: 8.. / D2 = 8 => 1 pairs (_) / D3 = 8 => 1 pairs (_) A5,A6: 8.. / A5 = 8 => 0 pairs (_) / A6 = 8 => 0 pairs (_) G7,H7: 8.. / G7 = 8 => 3 pairs (_) / H7 = 8 => 1 pairs (_) D2,G2: 8.. / D2 = 8 => 1 pairs (_) / G2 = 8 => 1 pairs (_) H3,I3: 9.. / H3 = 9 => 0 pairs (_) / I3 = 9 => 2 pairs (_) B7,B9: 9.. / B7 = 9 => 1 pairs (_) / B9 = 9 => 0 pairs (_) B9,E9: 9.. / B9 = 9 => 0 pairs (_) / E9 = 9 => 1 pairs (_) E2,E9: 9.. / E2 = 9 => 0 pairs (_) / E9 = 9 => 1 pairs (_) * DURATION: 0:00:10.723860 START: 06:45:29.110624 END: 06:45:39.834484 2020-10-27 * CP COUNT: (16) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G7,H7: 8.. / G7 = 8 ==> 3 pairs (_) / H7 = 8 ==> 1 pairs (_) H3,I3: 9.. / H3 = 9 ==> 0 pairs (_) / I3 = 9 ==> 2 pairs (_) C4,H4: 6.. / C4 = 6 ==> 2 pairs (_) / H4 = 6 ==> 0 pairs (_) D7,D8: 6.. / D7 = 6 ==> 2 pairs (_) / D8 = 6 ==> 0 pairs (_) H4,H6: 6.. / H4 = 6 ==> 0 pairs (_) / H6 = 6 ==> 2 pairs (_) D2,G2: 8.. / D2 = 8 ==> 1 pairs (_) / G2 = 8 ==> 1 pairs (_) D2,D3: 8.. / D2 = 8 ==> 1 pairs (_) / D3 = 8 ==> 1 pairs (_) E2,E9: 9.. / E2 = 9 => 0 pairs (X) / E9 = 9 ==> 0 pairs (*) * DURATION: 0:01:04.792563 START: 06:45:39.835097 END: 06:46:44.627660 2020-10-27 * REASONING E2,E9: 9.. * PRF # E9: 9 # F2: 3,4 => SOL * STA # E9: 9 + F2: 3,4 * CNT 1 HDP CHAINS / 8 HYP OPENED * DCP COUNT: (8) * SOLUTION FOUND
Header Info
42143;12_07;GP;24;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G7,H7: 8..:
* INC # G7: 8 # F1: 1,4 => UNS * INC # G7: 8 # F2: 1,4 => UNS * INC # G7: 8 # A3: 1,4 => UNS * INC # G7: 8 # C3: 1,4 => UNS * INC # G7: 8 # G3: 1,4 => UNS * INC # G7: 8 # D5: 1,4 => UNS * INC # G7: 8 # D5: 5 => UNS * INC # G7: 8 # H6: 8,9 => UNS * INC # G7: 8 # H6: 1,2,4,5,6 => UNS * INC # G7: 8 # I6: 8,9 => UNS * INC # G7: 8 # I6: 1,2,4,5 => UNS * INC # G7: 8 => UNS * INC # H7: 8 # H8: 3,4 => UNS * INC # H7: 8 # I8: 3,4 => UNS * INC # H7: 8 # H9: 3,4 => UNS * INC # H7: 8 # I9: 3,4 => UNS * INC # H7: 8 # C7: 3,4 => UNS * INC # H7: 8 # F7: 3,4 => UNS * INC # H7: 8 # G2: 3,4 => UNS * INC # H7: 8 # G3: 3,4 => UNS * INC # H7: 8 => UNS * CNT 21 HDP CHAINS / 21 HYP OPENED
Full list of HDP chains traversed for H3,I3: 9..:
* INC # I3: 9 => UNS * INC # H3: 9 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
Full list of HDP chains traversed for C4,H4: 6..:
* INC # C4: 6 # B5: 1,2 => UNS * INC # C4: 6 # B6: 1,2 => UNS * INC # C4: 6 # F6: 1,2 => UNS * INC # C4: 6 # G6: 1,2 => UNS * INC # C4: 6 # I6: 1,2 => UNS * INC # C4: 6 # C1: 1,2 => UNS * INC # C4: 6 # C3: 1,2 => UNS * INC # C4: 6 # A8: 3,4 => UNS * INC # C4: 6 # A9: 3,4 => UNS * INC # C4: 6 # C9: 3,4 => UNS * INC # C4: 6 # F7: 3,4 => UNS * INC # C4: 6 # G7: 3,4 => UNS * INC # C4: 6 # H7: 3,4 => UNS * INC # C4: 6 # C1: 3,4 => UNS * INC # C4: 6 # C3: 3,4 => UNS * INC # C4: 6 => UNS * INC # H4: 6 => UNS * CNT 17 HDP CHAINS / 17 HYP OPENED
Full list of HDP chains traversed for D7,D8: 6..:
* INC # D7: 6 # A8: 3,4 => UNS * INC # D7: 6 # A9: 3,4 => UNS * INC # D7: 6 # C9: 3,4 => UNS * INC # D7: 6 # F7: 3,4 => UNS * INC # D7: 6 # G7: 3,4 => UNS * INC # D7: 6 # H7: 3,4 => UNS * INC # D7: 6 # C1: 3,4 => UNS * INC # D7: 6 # C3: 3,4 => UNS * INC # D7: 6 # E8: 4,5 => UNS * INC # D7: 6 # E9: 4,5 => UNS * INC # D7: 6 # A8: 4,5 => UNS * INC # D7: 6 # H8: 4,5 => UNS * INC # D7: 6 # I8: 4,5 => UNS * INC # D7: 6 # D5: 4,5 => UNS * INC # D7: 6 # D5: 1 => UNS * INC # D7: 6 => UNS * INC # D8: 6 => UNS * CNT 17 HDP CHAINS / 17 HYP OPENED
Full list of HDP chains traversed for H4,H6: 6..:
* INC # H6: 6 # B5: 1,2 => UNS * INC # H6: 6 # B6: 1,2 => UNS * INC # H6: 6 # F6: 1,2 => UNS * INC # H6: 6 # G6: 1,2 => UNS * INC # H6: 6 # I6: 1,2 => UNS * INC # H6: 6 # C1: 1,2 => UNS * INC # H6: 6 # C3: 1,2 => UNS * INC # H6: 6 # A8: 3,4 => UNS * INC # H6: 6 # A9: 3,4 => UNS * INC # H6: 6 # C9: 3,4 => UNS * INC # H6: 6 # F7: 3,4 => UNS * INC # H6: 6 # G7: 3,4 => UNS * INC # H6: 6 # H7: 3,4 => UNS * INC # H6: 6 # C1: 3,4 => UNS * INC # H6: 6 # C3: 3,4 => UNS * INC # H6: 6 => UNS * INC # H4: 6 => UNS * CNT 17 HDP CHAINS / 17 HYP OPENED
Full list of HDP chains traversed for D2,G2: 8..:
* INC # D2: 8 # F1: 1,4 => UNS * INC # D2: 8 # F2: 1,4 => UNS * INC # D2: 8 # A3: 1,4 => UNS * INC # D2: 8 # C3: 1,4 => UNS * INC # D2: 8 # G3: 1,4 => UNS * INC # D2: 8 # H3: 1,4 => UNS * INC # D2: 8 # I3: 1,4 => UNS * INC # D2: 8 # D5: 1,4 => UNS * INC # D2: 8 # D5: 5 => UNS * INC # D2: 8 => UNS * INC # G2: 8 # H8: 3,4 => UNS * INC # G2: 8 # I8: 3,4 => UNS * INC # G2: 8 # H9: 3,4 => UNS * INC # G2: 8 # I9: 3,4 => UNS * INC # G2: 8 # C7: 3,4 => UNS * INC # G2: 8 # F7: 3,4 => UNS * INC # G2: 8 # G3: 3,4 => UNS * INC # G2: 8 # G3: 1,2 => UNS * INC # G2: 8 => UNS * CNT 19 HDP CHAINS / 19 HYP OPENED
Full list of HDP chains traversed for D2,D3: 8..:
* INC # D2: 8 # F1: 1,4 => UNS * INC # D2: 8 # F2: 1,4 => UNS * INC # D2: 8 # A3: 1,4 => UNS * INC # D2: 8 # C3: 1,4 => UNS * INC # D2: 8 # G3: 1,4 => UNS * INC # D2: 8 # H3: 1,4 => UNS * INC # D2: 8 # I3: 1,4 => UNS * INC # D2: 8 # D5: 1,4 => UNS * INC # D2: 8 # D5: 5 => UNS * INC # D2: 8 => UNS * INC # D3: 8 # H8: 3,4 => UNS * INC # D3: 8 # I8: 3,4 => UNS * INC # D3: 8 # H9: 3,4 => UNS * INC # D3: 8 # I9: 3,4 => UNS * INC # D3: 8 # C7: 3,4 => UNS * INC # D3: 8 # F7: 3,4 => UNS * INC # D3: 8 # G3: 3,4 => UNS * INC # D3: 8 # G3: 1,2 => UNS * INC # D3: 8 => UNS * CNT 19 HDP CHAINS / 19 HYP OPENED
Full list of HDP chains traversed for E2,E9: 9..:
* INC # E9: 9 # E8: 3,4 => UNS * INC # E9: 9 # E8: 5 => UNS * INC # E9: 9 # C7: 3,4 => UNS * INC # E9: 9 # G7: 3,4 => UNS * INC # E9: 9 # H7: 3,4 => UNS * INC # E9: 9 # F1: 3,4 => UNS * PRF # E9: 9 # F2: 3,4 => SOL * STA # E9: 9 + F2: 3,4 * CNT 7 HDP CHAINS / 8 HYP OPENED