Analysis of xx-ph-00025600-KC40b-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7...9..5...4.....73..2.9.....1.3...9.....5.3.1...2..9..6......4..7...8.. initial
Autosolve
position: 98.7..6..7...9..5...4...9.73..2.9.....1.3...9.....5.3.1...2..9..6......4..7...8.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C2,A3: 6..:
* DIS # C2: 6 # A5: 2,5 => CTR => A5: 4,6,8 * PRF # C2: 6 + A5: 4,6,8 # A8: 2,5 => SOL * STA # C2: 6 + A5: 4,6,8 + A8: 2,5 * CNT 2 HDP CHAINS / 5 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...9..5...4.....73..2.9.....1.3...9.....5.3.1...2..9..6......4..7...8.. | initial |
| 98.7..6..7...9..5...4...9.73..2.9.....1.3...9.....5.3.1...2..9..6......4..7...8.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) B2,B3: 1.. / B2 = 1 => 0 pairs (_) / B3 = 1 => 2 pairs (_) H1,G2: 4.. / H1 = 4 => 1 pairs (_) / G2 = 4 => 2 pairs (_) C1,E1: 5.. / C1 = 5 => 4 pairs (_) / E1 = 5 => 1 pairs (_) C2,A3: 6.. / C2 = 6 => 2 pairs (_) / A3 = 6 => 1 pairs (_) F7,G7: 7.. / F7 = 7 => 1 pairs (_) / G7 = 7 => 1 pairs (_) I2,H3: 8.. / I2 = 8 => 1 pairs (_) / H3 = 8 => 0 pairs (_) B6,C6: 9.. / B6 = 9 => 0 pairs (_) / C6 = 9 => 0 pairs (_) C8,B9: 9.. / C8 = 9 => 0 pairs (_) / B9 = 9 => 0 pairs (_) D8,D9: 9.. / D8 = 9 => 0 pairs (_) / D9 = 9 => 0 pairs (_) C8,D8: 9.. / C8 = 9 => 0 pairs (_) / D8 = 9 => 0 pairs (_) B9,D9: 9.. / B9 = 9 => 0 pairs (_) / D9 = 9 => 0 pairs (_) B6,B9: 9.. / B6 = 9 => 0 pairs (_) / B9 = 9 => 0 pairs (_) C6,C8: 9.. / C6 = 9 => 0 pairs (_) / C8 = 9 => 0 pairs (_) * DURATION: 0:00:07.771616 START: 20:34:41.928493 END: 20:34:49.700109 2020-12-08 * CP COUNT: (13) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C1,E1: 5.. / C1 = 5 ==> 4 pairs (_) / E1 = 5 ==> 1 pairs (_) C2,A3: 6.. / C2 = 6 ==> 0 pairs (*) / A3 = 6 => 0 pairs (X) * DURATION: 0:00:23.723184 START: 20:34:49.700811 END: 20:35:13.423995 2020-12-08 * REASONING C2,A3: 6.. * DIS # C2: 6 # A5: 2,5 => CTR => A5: 4,6,8 * PRF # C2: 6 + A5: 4,6,8 # A8: 2,5 => SOL * STA # C2: 6 + A5: 4,6,8 + A8: 2,5 * CNT 2 HDP CHAINS / 5 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
25600;KC40b;GP;24;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C1,E1: 5..:
* INC # C1: 5 # C2: 2,6 => UNS * INC # C1: 5 # C2: 3 => UNS * INC # C1: 5 # F3: 2,6 => UNS * INC # C1: 5 # F3: 1,3,8 => UNS * INC # C1: 5 # A5: 2,6 => UNS * INC # C1: 5 # A6: 2,6 => UNS * INC # C1: 5 # F1: 1,4 => UNS * INC # C1: 5 # D2: 1,4 => UNS * INC # C1: 5 # F2: 1,4 => UNS * INC # C1: 5 # H1: 1,4 => UNS * INC # C1: 5 # H1: 2 => UNS * INC # C1: 5 # E4: 1,4 => UNS * INC # C1: 5 # E6: 1,4 => UNS * INC # C1: 5 # E9: 1,4 => UNS * INC # C1: 5 # A5: 6,8 => UNS * INC # C1: 5 # A6: 6,8 => UNS * INC # C1: 5 # C6: 6,8 => UNS * INC # C1: 5 # E4: 6,8 => UNS * INC # C1: 5 # H4: 6,8 => UNS * INC # C1: 5 # I4: 6,8 => UNS * INC # C1: 5 # C8: 3,8 => UNS * INC # C1: 5 # C8: 2,9 => UNS * INC # C1: 5 # D7: 3,8 => UNS * INC # C1: 5 # F7: 3,8 => UNS * INC # C1: 5 => UNS * INC # E1: 5 # B2: 2,3 => UNS * INC # E1: 5 # C2: 2,3 => UNS * INC # E1: 5 # B3: 2,3 => UNS * INC # E1: 5 # F1: 2,3 => UNS * INC # E1: 5 # I1: 2,3 => UNS * INC # E1: 5 # C8: 2,3 => UNS * INC # E1: 5 # C8: 5,8,9 => UNS * INC # E1: 5 => UNS * CNT 33 HDP CHAINS / 33 HYP OPENED
Full list of HDP chains traversed for C2,A3: 6..:
* INC # C2: 6 # C1: 2,5 => UNS * INC # C2: 6 # B3: 2,5 => UNS * DIS # C2: 6 # A5: 2,5 => CTR => A5: 4,6,8 * PRF # C2: 6 + A5: 4,6,8 # A8: 2,5 => SOL * STA # C2: 6 + A5: 4,6,8 + A8: 2,5 * CNT 4 HDP CHAINS / 5 HYP OPENED