Analysis of xx-ph-00014590-kz1a-base.sdk
Original Sudoku
level: deep
position: 98.7.....7...6......5..97..4....78.....6...3.....2...1.9...65....4.3..6....1....2 initial
Autosolve
position: 98.7.....7...6......5..97..4....78.....6...3.....2...1.9...65....4.3..6....1....2 autosolve
Pair Reduction Variants
Deep Pair Reduction
Time used: 0:00:06.128302
See Appendix: Full HDP Chains for full list of HDP chains.
Deep Constraint Pair Analysis
Time used: 0:00:00.000025
List of important HDP chains detected for H7,G8: 1..:
* PRF # H7: 1 # B4: 1,5 => SOL * STA # H7: 1 + B4: 1,5 * 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.....7...6......5..97..4....78.....6...3.....2...1.9...65....4.3..6....1....2 | initial |
| 98.7.....7...6......5..97..4....78.....6...3.....2...1.9...65....4.3..6....1....2 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (1) G8: 1,9 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) H7,G8: 1.. / H7 = 1 => 5 pairs (_) / G8 = 1 => 0 pairs (_) H4,G5: 2.. / H4 = 2 => 2 pairs (_) / G5 = 2 => 2 pairs (_) I7,G9: 3.. / I7 = 3 => 2 pairs (_) / G9 = 3 => 1 pairs (_) B2,B3: 4.. / B2 = 4 => 1 pairs (_) / B3 = 4 => 2 pairs (_) I4,G6: 6.. / I4 = 6 => 2 pairs (_) / G6 = 6 => 2 pairs (_) G1,G6: 6.. / G1 = 6 => 2 pairs (_) / G6 = 6 => 2 pairs (_) I5,H6: 7.. / I5 = 7 => 2 pairs (_) / H6 = 7 => 1 pairs (_) E7,E9: 7.. / E7 = 7 => 1 pairs (_) / E9 = 7 => 3 pairs (_) B8,I8: 7.. / B8 = 7 => 2 pairs (_) / I8 = 7 => 1 pairs (_) D8,E9: 9.. / D8 = 9 => 2 pairs (_) / E9 = 9 => 3 pairs (_) * DURATION: 0:00:06.550856 START: 07:41:14.064517 END: 07:41:20.615373 2020-12-03 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) H7,G8: 1.. / H7 = 1 ==> 0 pairs (*) / G8 = 1 => 0 pairs (X) * DURATION: 0:00:10.223510 START: 07:41:28.521455 END: 07:41:38.744965 2020-12-03 * REASONING H7,G8: 1.. * PRF # H7: 1 # B4: 1,5 => SOL * STA # H7: 1 + B4: 1,5 * CNT 1 HDP CHAINS / 4 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
14590;kz1a;GP;23;11.30;11.20;6.60
Appendix: Full HDP Chains
A1. Pair Reduction Analysis
Full list of HDP chains traversed:
* INC # G2: 1,9 => UNS * INC # G2: 2,3,4 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A2. Pair Reduction
Full list of HDP chains traversed:
* INC # G2: 1,9 => UNS * INC # G2: 2,3,4 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A3. Deep Pair Reduction
Full list of HDP chains traversed:
* INC # G2: 1,9 => UNS * INC # G2: 2,3,4 => UNS * INC # G2: 1,9 # H2: 1,9 => UNS * INC # G2: 1,9 # H2: 2,4,5,8 => UNS * INC # G2: 1,9 # G1: 2,4 => UNS * INC # G2: 1,9 # G1: 3,6 => UNS * INC # G2: 1,9 # G1: 4,6 => UNS * INC # G2: 1,9 # G1: 2,3 => UNS * INC # G2: 1,9 # I7: 3,4 => UNS * INC # G2: 1,9 # I7: 7,8 => UNS * INC # G2: 1,9 # G1: 3,4 => UNS * INC # G2: 1,9 # G1: 2,6 => UNS * INC # G2: 1,9 => UNS * INC # G2: 2,3,4 => UNS * CNT 14 HDP CHAINS / 14 HYP OPENED
A4. Deep Constraint Pair Analysis
Full list of HDP chains traversed for H7,G8: 1..:
* INC # H7: 1 # E5: 1,5 => UNS * INC # H7: 1 # F5: 1,5 => UNS * PRF # H7: 1 # B4: 1,5 => SOL * STA # H7: 1 + B4: 1,5 * CNT 3 HDP CHAINS / 4 HYP OPENED