Analysis of xx-ph-00000987-H231-base.sdk
Contents
Original Sudoku
level: deep
position: 9876.....65....7............4..6..3...87..6.......2..1..59..8......1...4.....3.2. initial
Autosolve
position: 9876.....65....7............4..6..3...87..6.......2..1..59..8......1...4.....3.2. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000013
List of important HDP chains detected for G4,I5: 2..:
* PRF # I5: 2 # G1: 3,5 => SOL * STA # I5: 2 + G1: 3,5 * CNT 1 HDP CHAINS / 15 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
| 9876.....65....7............4..6..3...87..6.......2..1..59..8......1...4.....3.2. | initial |
| 9876.....65....7............4..6..3...87..6.......2..1..59..8......1...4.....3.2. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (2) I4: 7,8 H6: 7,8 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H7,G9: 1.. / H7 = 1 => 4 pairs (_) / G9 = 1 => 3 pairs (_) G4,I5: 2.. / G4 = 2 => 4 pairs (_) / I5 = 2 => 4 pairs (_) E7,D8: 2.. / E7 = 2 => 3 pairs (_) / D8 = 2 => 3 pairs (_) I7,G8: 3.. / I7 = 3 => 4 pairs (_) / G8 = 3 => 3 pairs (_) H5,G6: 4.. / H5 = 4 => 4 pairs (_) / G6 = 4 => 3 pairs (_) H3,I3: 6.. / H3 = 6 => 3 pairs (_) / I3 = 6 => 3 pairs (_) B6,C6: 6.. / B6 = 6 => 3 pairs (_) / C6 = 6 => 2 pairs (_) F7,F8: 6.. / F7 = 6 => 4 pairs (_) / F8 = 6 => 3 pairs (_) E3,F3: 7.. / E3 = 7 => 5 pairs (_) / F3 = 7 => 3 pairs (_) I4,H6: 7.. / I4 = 7 => 1 pairs (_) / H6 = 7 => 3 pairs (_) A4,I4: 7.. / A4 = 7 => 3 pairs (_) / I4 = 7 => 1 pairs (_) I4,H6: 8.. / I4 = 8 => 3 pairs (_) / H6 = 8 => 1 pairs (_) A8,A9: 8.. / A8 = 8 => 3 pairs (_) / A9 = 8 => 3 pairs (_) * DURATION: 0:00:09.539546 START: 20:41:08.165556 END: 20:41:17.705102 2020-11-23 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E3,F3: 7.. / E3 = 7 ==> 5 pairs (_) / F3 = 7 ==> 3 pairs (_) G4,I5: 2.. / G4 = 2 ==> 4 pairs (_) / I5 = 2 ==> 0 pairs (*) * DURATION: 0:00:24.380762 START: 20:41:18.475470 END: 20:41:42.856232 2020-11-23 * REASONING G4,I5: 2.. * PRF # I5: 2 # G1: 3,5 => SOL * STA # I5: 2 + G1: 3,5 * CNT 1 HDP CHAINS / 15 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
987;H231;GP;22;11.30;11.30;3.40
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E3,F3: 7..:
* INC # E3: 7 # A7: 2,4 => UNS * INC # E3: 7 # A7: 1,3,7 => UNS * INC # E3: 7 # E1: 2,4 => UNS * INC # E3: 7 # E2: 2,4 => UNS * INC # E3: 7 # B7: 6,7 => UNS * INC # E3: 7 # H7: 6,7 => UNS * INC # E3: 7 # I7: 6,7 => UNS * INC # E3: 7 # B8: 6,7 => UNS * INC # E3: 7 # H8: 6,7 => UNS * INC # E3: 7 => UNS * INC # F3: 7 => UNS * CNT 11 HDP CHAINS / 11 HYP OPENED
Full list of HDP chains traversed for G4,I5: 2..:
* INC # G4: 2 # B5: 1,9 => UNS * INC # G4: 2 # B5: 2,3 => UNS * INC # G4: 2 # F4: 1,9 => UNS * INC # G4: 2 # F4: 5,8 => UNS * INC # G4: 2 # C9: 1,9 => UNS * INC # G4: 2 # C9: 4,6 => UNS * INC # G4: 2 # H5: 5,9 => UNS * INC # G4: 2 # G6: 5,9 => UNS * INC # G4: 2 # E5: 5,9 => UNS * INC # G4: 2 # F5: 5,9 => UNS * INC # G4: 2 # I3: 5,9 => UNS * INC # G4: 2 # I9: 5,9 => UNS * INC # G4: 2 => UNS * PRF # I5: 2 # G1: 3,5 => SOL * STA # I5: 2 + G1: 3,5 * CNT 14 HDP CHAINS / 15 HYP OPENED