Analysis of xx-ph-00015090-kz1a-base.sdk
Original Sudoku
level: deep
position: 98.7..6..7...5..9...4.....75....3....2..1.......9.5.2.1...9..3..7......8..6...4.. initial
Autosolve
position: 98.7..6..7...5..9...4..9..75....3....2..1.......9.5.2.1...9..3..7......8..6...4.. autosolve
Pair Reduction Variants
Deep Pair Reduction
Time used: 0:00:05.870792
See Appendix: Full HDP Chains for full list of HDP chains.
Deep Constraint Pair Analysis
Time used: 0:00:00.000014
List of important HDP chains detected for B7,A8: 4..:
* PRF # A8: 4 # H4: 1,4 => SOL * STA # A8: 4 + H4: 1,4 * CNT 1 HDP CHAINS / 6 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..7...5..9...4.....75....3....2..1.......9.5.2.1...9..3..7......8..6...4.. | initial |
| 98.7..6..7...5..9...4..9..75....3....2..1.......9.5.2.1...9..3..7......8..6...4.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (1) B7: 4,5 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D4,E4: 2.. / D4 = 2 => 1 pairs (_) / E4 = 2 => 2 pairs (_) B7,A8: 4.. / B7 = 4 => 1 pairs (_) / A8 = 4 => 5 pairs (_) C1,B3: 5.. / C1 = 5 => 3 pairs (_) / B3 = 5 => 3 pairs (_) I7,H8: 6.. / I7 = 6 => 2 pairs (_) / H8 = 6 => 2 pairs (_) G7,H9: 7.. / G7 = 7 => 2 pairs (_) / H9 = 7 => 2 pairs (_) F7,G7: 7.. / F7 = 7 => 2 pairs (_) / G7 = 7 => 2 pairs (_) C7,A9: 8.. / C7 = 8 => 2 pairs (_) / A9 = 8 => 2 pairs (_) C8,B9: 9.. / C8 = 9 => 2 pairs (_) / B9 = 9 => 1 pairs (_) G8,I9: 9.. / G8 = 9 => 1 pairs (_) / I9 = 9 => 2 pairs (_) C8,G8: 9.. / C8 = 9 => 2 pairs (_) / G8 = 9 => 1 pairs (_) B9,I9: 9.. / B9 = 9 => 1 pairs (_) / I9 = 9 => 2 pairs (_) B4,B9: 9.. / B4 = 9 => 2 pairs (_) / B9 = 9 => 1 pairs (_) * DURATION: 0:00:08.034513 START: 14:51:29.730277 END: 14:51:37.764790 2020-12-03 * CP COUNT: (12) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B7,A8: 4.. / B7 = 4 => 0 pairs (X) / A8 = 4 ==> 0 pairs (*) * DURATION: 0:00:12.623308 START: 14:51:45.522640 END: 14:51:58.145948 2020-12-03 * REASONING B7,A8: 4.. * PRF # A8: 4 # H4: 1,4 => SOL * STA # A8: 4 + H4: 1,4 * CNT 1 HDP CHAINS / 6 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
15090;kz1a;GP;23;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Pair Reduction Analysis
Full list of HDP chains traversed:
* INC # D7: 4,5 => UNS * INC # D7: 2,6,8 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A2. Pair Reduction
Full list of HDP chains traversed:
* INC # D7: 4,5 => UNS * INC # D7: 2,6,8 => UNS * CNT 2 HDP CHAINS / 2 HYP OPENED
A3. Deep Pair Reduction
Full list of HDP chains traversed:
* INC # D7: 4,5 => UNS * INC # D7: 2,6,8 => UNS * INC # D7: 4,5 # A9: 2,8 => UNS * INC # D7: 4,5 # A9: 3 => UNS * INC # D7: 4,5 # F7: 2,8 => UNS * INC # D7: 4,5 # F7: 6,7 => UNS * INC # D7: 4,5 # D8: 4,5 => UNS * INC # D7: 4,5 # D8: 1,2,3,6 => UNS * INC # D7: 4,5 # F7: 2,7 => UNS * INC # D7: 4,5 # F7: 6,8 => UNS * INC # D7: 4,5 # F7: 2,6 => UNS * INC # D7: 4,5 # F7: 7,8 => UNS * INC # D7: 4,5 => UNS * INC # D7: 2,6,8 => UNS * CNT 14 HDP CHAINS / 14 HYP OPENED
A4. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B7,A8: 4..:
* INC # A8: 4 # I1: 1,4 => UNS * INC # A8: 4 # I2: 1,4 => UNS * INC # A8: 4 # F1: 1,4 => UNS * INC # A8: 4 # F1: 2 => UNS * PRF # A8: 4 # H4: 1,4 => SOL * STA # A8: 4 + H4: 1,4 * CNT 5 HDP CHAINS / 6 HYP OPENED