Analysis of xx-ph-00248039-12_12_03-base.sdk
Original Sudoku
level: deep
position: ........1.....2.3.....4.5.6..5...6.7..6.1.4...8.....9...745.....9..78...8....3... initial
Autosolve
position: ........1.....2.3.....4.5.6..5...6.7..6.1.4...8.....9...745.....9..78...8....3... autosolve
Pair Reduction Variants
Deep Pair Reduction
Time used: 0:00:03.809347
See Appendix: Full HDP Chains for full list of HDP chains.
Deep Constraint Pair Analysis
Time used: 0:00:00.000015
List of important HDP chains detected for H4,G6: 1..:
* DIS # G6: 1 # H5: 2,8 => CTR => H5: 5 * DIS # G6: 1 + H5: 5 # H7: 2,8 => CTR => H7: 1,6 * PRF # G6: 1 + H5: 5 + H7: 1,6 # G7: 2,3 => SOL * STA # G6: 1 + H5: 5 + H7: 1,6 + G7: 2,3 * CNT 3 HDP CHAINS / 19 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
| ........1.....2.3.....4.5.6..5...6.7..6.1.4...8.....9...745.....9..78...8....3... | initial |
| ........1.....2.3.....4.5.6..5...6.7..6.1.4...8.....9...745.....9..78...8....3... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (1) F4: 4,9 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H4,G6: 1.. / H4 = 1 => 2 pairs (_) / G6 = 1 => 3 pairs (_) F3,F7: 1.. / F3 = 1 => 2 pairs (_) / F7 = 1 => 3 pairs (_) H1,I2: 4.. / H1 = 4 => 2 pairs (_) / I2 = 4 => 1 pairs (_) F4,F6: 4.. / F4 = 4 => 0 pairs (_) / F6 = 4 => 3 pairs (_) A8,B9: 5.. / A8 = 5 => 1 pairs (_) / B9 = 5 => 1 pairs (_) G9,H9: 7.. / G9 = 7 => 2 pairs (_) / H9 = 7 => 2 pairs (_) A4,A5: 9.. / A4 = 9 => 0 pairs (_) / A5 = 9 => 2 pairs (_) * DURATION: 0:00:04.526793 START: 04:44:50.080652 END: 04:44:54.607445 2020-09-23 * CP COUNT: (7) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F3,F7: 1.. / F3 = 1 ==> 2 pairs (_) / F7 = 1 ==> 3 pairs (_) H4,G6: 1.. / H4 = 1 => 0 pairs (X) / G6 = 1 ==> 0 pairs (*) * DURATION: 0:00:24.025565 START: 04:45:00.379822 END: 04:45:24.405387 2020-09-23 * REASONING H4,G6: 1.. * DIS # G6: 1 # H5: 2,8 => CTR => H5: 5 * DIS # G6: 1 + H5: 5 # H7: 2,8 => CTR => H7: 1,6 * PRF # G6: 1 + H5: 5 + H7: 1,6 # G7: 2,3 => SOL * STA # G6: 1 + H5: 5 + H7: 1,6 + G7: 2,3 * CNT 3 HDP CHAINS / 19 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
248039;12_12_03;dob;22;11.60;11.60;2.60
Appendix: Full HDP Chains
A1. Pair Reduction Analysis
Full list of HDP chains traversed:
* INC # A4: 4,9 => UNS * INC # A4: 1,2,3 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A2. Pair Reduction
Full list of HDP chains traversed:
* INC # A4: 4,9 => UNS * INC # A4: 1,2,3 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A3. Deep Pair Reduction
Full list of HDP chains traversed:
* INC # A4: 4,9 => UNS * INC # A4: 1,2,3 => UNS * INC # A4: 4,9 => UNS * INC # A4: 1,2,3 # D5: 5,7 => UNS * INC # A4: 1,2,3 # D6: 5,7 => UNS * INC # A4: 1,2,3 # F6: 5,7 => UNS * INC # A4: 1,2,3 # F1: 5,7 => UNS * INC # A4: 1,2,3 # F1: 6,9 => UNS * INC # A4: 1,2,3 => UNS * CNT 9 HDP CHAINS / 9 HYP OPENED
A4. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F3,F7: 1..:
* INC # F7: 1 # D1: 7,9 => UNS * INC # F7: 1 # F1: 7,9 => UNS * INC # F7: 1 # D2: 7,9 => UNS * INC # F7: 1 # D3: 7,9 => UNS * INC # F7: 1 # F5: 7,9 => UNS * INC # F7: 1 # F5: 5 => UNS * INC # F7: 1 # A4: 4,9 => UNS * INC # F7: 1 # A4: 1,2,3 => UNS * INC # F7: 1 # D9: 2,6 => UNS * INC # F7: 1 # E9: 2,6 => UNS * INC # F7: 1 # A8: 2,6 => UNS * INC # F7: 1 # H8: 2,6 => UNS * INC # F7: 1 # D6: 2,6 => UNS * INC # F7: 1 # D6: 3,5,7 => UNS * INC # F7: 1 => UNS * INC # F3: 1 # A4: 4,9 => UNS * INC # F3: 1 # A4: 1,2,3 => UNS * INC # F3: 1 # D9: 6,9 => UNS * INC # F3: 1 # E9: 6,9 => UNS * INC # F3: 1 # F1: 6,9 => UNS * INC # F3: 1 # F1: 5,7 => UNS * INC # F3: 1 => UNS * CNT 22 HDP CHAINS / 22 HYP OPENED
Full list of HDP chains traversed for H4,G6: 1..:
* INC # G6: 1 # A4: 4,9 => UNS * INC # G6: 1 # A4: 1,2,3 => UNS * DIS # G6: 1 # H5: 2,8 => CTR => H5: 5 * INC # G6: 1 + H5: 5 # I5: 2,8 => UNS * INC # G6: 1 + H5: 5 # I5: 2,8 => UNS * INC # G6: 1 + H5: 5 # I5: 3 => UNS * INC # G6: 1 + H5: 5 # D4: 2,8 => UNS * INC # G6: 1 + H5: 5 # E4: 2,8 => UNS * INC # G6: 1 + H5: 5 # H1: 2,8 => UNS * INC # G6: 1 + H5: 5 # H3: 2,8 => UNS * DIS # G6: 1 + H5: 5 # H7: 2,8 => CTR => H7: 1,6 * INC # G6: 1 + H5: 5 + H7: 1,6 # I5: 2,8 => UNS * INC # G6: 1 + H5: 5 + H7: 1,6 # I5: 3 => UNS * INC # G6: 1 + H5: 5 + H7: 1,6 # D4: 2,8 => UNS * INC # G6: 1 + H5: 5 + H7: 1,6 # E4: 2,8 => UNS * INC # G6: 1 + H5: 5 + H7: 1,6 # H1: 2,8 => UNS * INC # G6: 1 + H5: 5 + H7: 1,6 # H3: 2,8 => UNS * PRF # G6: 1 + H5: 5 + H7: 1,6 # G7: 2,3 => SOL * STA # G6: 1 + H5: 5 + H7: 1,6 + G7: 2,3 * CNT 18 HDP CHAINS / 19 HYP OPENED