Analysis of xx-ph-02236638-2018_12_25-base.sdk
Original Sudoku
level: deep
position: 98.7..6..75.....9...6......5...8...9..89...5.....4.3..2.......1..96...7...58..96. initial
Autosolve
position: 98.7..6..75..6..9...6......5...86..9..89...5..9..4.3..26......18.96...7...58..96. autosolve
Pair Reduction Variants
Deep Pair Reduction
Time used: 0:00:12.341694
See Appendix: Full HDP Chains for full list of HDP chains.
Deep Constraint Pair Analysis
Time used: 0:00:00.000021
List of important HDP chains detected for A6,I6: 6..:
* PRF # I6: 6 # B3: 3,4 => SOL * STA # I6: 6 + B3: 3,4 * CNT 1 HDP CHAINS / 4 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..75.....9...6......5...8...9..89...5.....4.3..2.......1..96...7...58..96. | initial |
| 98.7..6..75..6..9...6......5...86..9..89...5..9..4.3..26......18.96...7...58..96. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (1) A6: 1,6 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D6,F6: 5.. / D6 = 5 => 2 pairs (_) / F6 = 5 => 2 pairs (_) A5,A6: 6.. / A5 = 6 => 5 pairs (_) / A6 = 6 => 0 pairs (_) I5,I6: 6.. / I5 = 6 => 0 pairs (_) / I6 = 6 => 5 pairs (_) A5,I5: 6.. / A5 = 6 => 5 pairs (_) / I5 = 6 => 0 pairs (_) A6,I6: 6.. / A6 = 6 => 0 pairs (_) / I6 = 6 => 5 pairs (_) G3,I3: 7.. / G3 = 7 => 5 pairs (_) / I3 = 7 => 1 pairs (_) C7,B9: 7.. / C7 = 7 => 2 pairs (_) / B9 = 7 => 4 pairs (_) F2,F3: 8.. / F2 = 8 => 3 pairs (_) / F3 = 8 => 1 pairs (_) H6,I6: 8.. / H6 = 8 => 2 pairs (_) / I6 = 8 => 1 pairs (_) G7,H7: 8.. / G7 = 8 => 2 pairs (_) / H7 = 8 => 3 pairs (_) E3,F3: 9.. / E3 = 9 => 1 pairs (_) / F3 = 9 => 3 pairs (_) E7,F7: 9.. / E7 = 9 => 3 pairs (_) / F7 = 9 => 1 pairs (_) E3,E7: 9.. / E3 = 9 => 1 pairs (_) / E7 = 9 => 3 pairs (_) F3,F7: 9.. / F3 = 9 => 3 pairs (_) / F7 = 9 => 1 pairs (_) * DURATION: 0:00:10.179812 START: 13:18:05.059487 END: 13:18:15.239299 2020-11-05 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G3,I3: 7.. / G3 = 7 ==> 5 pairs (_) / I3 = 7 ==> 1 pairs (_) A6,I6: 6.. / A6 = 6 => 0 pairs (X) / I6 = 6 ==> 0 pairs (*) * DURATION: 0:00:24.141542 START: 13:18:29.619512 END: 13:18:53.761054 2020-11-05 * REASONING A6,I6: 6.. * PRF # I6: 6 # B3: 3,4 => SOL * STA # I6: 6 + B3: 3,4 * CNT 1 HDP CHAINS / 4 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
2236638;2018_12_25;PAQ;25;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Pair Reduction Analysis
Full list of HDP chains traversed:
* INC # A5: 1,6 => UNS * INC # A5: 3,4 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A2. Pair Reduction
Full list of HDP chains traversed:
* INC # A5: 1,6 => UNS * INC # A5: 3,4 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A3. Deep Pair Reduction
Full list of HDP chains traversed:
* INC # A5: 1,6 => UNS * INC # A5: 3,4 => UNS * INC # A5: 1,6 # C1: 3,4 => UNS * INC # A5: 1,6 # C2: 3,4 => UNS * INC # A5: 1,6 # B3: 3,4 => UNS * INC # A5: 1,6 # D3: 3,4 => UNS * INC # A5: 1,6 # F3: 3,4 => UNS * INC # A5: 1,6 # H3: 3,4 => UNS * INC # A5: 1,6 # I3: 3,4 => UNS * INC # A5: 1,6 # B4: 2,7 => UNS * INC # A5: 1,6 # C4: 2,7 => UNS * INC # A5: 1,6 # B5: 2,7 => UNS * INC # A5: 1,6 # F6: 2,7 => UNS * INC # A5: 1,6 # I6: 2,7 => UNS * INC # A5: 1,6 # C7: 3,4 => UNS * INC # A5: 1,6 # B8: 3,4 => UNS * INC # A5: 1,6 # B9: 3,4 => UNS * INC # A5: 1,6 # F9: 3,4 => UNS * INC # A5: 1,6 # I9: 3,4 => UNS * INC # A5: 1,6 => UNS * INC # A5: 3,4 # B4: 3,4 => UNS * INC # A5: 3,4 # C4: 3,4 => UNS * INC # A5: 3,4 # B5: 3,4 => UNS * INC # A5: 3,4 # A3: 3,4 => UNS * INC # A5: 3,4 # A9: 3,4 => UNS * INC # A5: 3,4 => UNS * CNT 26 HDP CHAINS / 26 HYP OPENED
A4. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G3,I3: 7..:
* INC # G3: 7 # A5: 1,6 => UNS * INC # G3: 7 # A5: 3,4 => UNS * INC # G3: 7 # B4: 1,2 => UNS * INC # G3: 7 # C4: 1,2 => UNS * INC # G3: 7 # B5: 1,2 => UNS * INC # G3: 7 # D6: 1,2 => UNS * INC # G3: 7 # F6: 1,2 => UNS * INC # G3: 7 # C1: 1,2 => UNS * INC # G3: 7 # C2: 1,2 => UNS * INC # G3: 7 # I8: 3,4 => UNS * INC # G3: 7 # I9: 3,4 => UNS * INC # G3: 7 # C7: 3,4 => UNS * INC # G3: 7 # D7: 3,4 => UNS * INC # G3: 7 # F7: 3,4 => UNS * INC # G3: 7 # H1: 3,4 => UNS * INC # G3: 7 # H3: 3,4 => UNS * INC # G3: 7 => UNS * INC # I3: 7 # A5: 1,6 => UNS * INC # I3: 7 # A5: 3,4 => UNS * INC # I3: 7 => UNS * CNT 20 HDP CHAINS / 20 HYP OPENED
Full list of HDP chains traversed for A6,I6: 6..:
* INC # I6: 6 # C1: 3,4 => UNS * INC # I6: 6 # C2: 3,4 => UNS * PRF # I6: 6 # B3: 3,4 => SOL * STA # I6: 6 + B3: 3,4 * CNT 3 HDP CHAINS / 4 HYP OPENED