Analysis of xx-ph-00038598-12_07-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6..85......4..3...7.....9....2....4....96.5...5..8.7.......1..........23 initial
Autosolve
position: 98.7.....6..85......4..3...7.....9...92....4....96.5...5..8.7.......1..........23 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for C1,C4: 5..:
* DIS # C1: 5 # B3: 1,2 => CTR => B3: 7 * PRF # C1: 5 + B3: 7 # G3: 1,2 => SOL * STA # C1: 5 + B3: 7 + G3: 1,2 * CNT 2 HDP CHAINS / 8 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..85......4..3...7.....9....2....4....96.5...5..8.7.......1..........23 | initial |
| 98.7.....6..85......4..3...7.....9...92....4....96.5...5..8.7.......1..........23 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I4,I6: 2.. / I4 = 2 => 4 pairs (_) / I6 = 2 => 1 pairs (_) F6,I6: 2.. / F6 = 2 => 4 pairs (_) / I6 = 2 => 1 pairs (_) C1,A3: 5.. / C1 = 5 => 3 pairs (_) / A3 = 5 => 1 pairs (_) C4,A5: 5.. / C4 = 5 => 1 pairs (_) / A5 = 5 => 3 pairs (_) D9,F9: 5.. / D9 = 5 => 1 pairs (_) / F9 = 5 => 3 pairs (_) H8,I8: 5.. / H8 = 5 => 0 pairs (_) / I8 = 5 => 0 pairs (_) A3,A5: 5.. / A3 = 5 => 1 pairs (_) / A5 = 5 => 3 pairs (_) C1,C4: 5.. / C1 = 5 => 3 pairs (_) / C4 = 5 => 1 pairs (_) F1,D3: 6.. / F1 = 6 => 1 pairs (_) / D3 = 6 => 3 pairs (_) B4,C4: 6.. / B4 = 6 => 0 pairs (_) / C4 = 6 => 3 pairs (_) G5,I5: 6.. / G5 = 6 => 1 pairs (_) / I5 = 6 => 0 pairs (_) F2,E3: 9.. / F2 = 9 => 1 pairs (_) / E3 = 9 => 2 pairs (_) * DURATION: 0:00:07.891282 START: 13:56:25.679317 END: 13:56:33.570599 2020-12-17 * CP COUNT: (12) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F6,I6: 2.. / F6 = 2 ==> 4 pairs (_) / I6 = 2 ==> 1 pairs (_) I4,I6: 2.. / I4 = 2 ==> 4 pairs (_) / I6 = 2 ==> 1 pairs (_) F1,D3: 6.. / F1 = 6 ==> 1 pairs (_) / D3 = 6 ==> 3 pairs (_) C1,C4: 5.. / C1 = 5 ==> 0 pairs (*) / C4 = 5 => 0 pairs (X) * DURATION: 0:00:41.644229 START: 13:56:33.571194 END: 13:57:15.215423 2020-12-17 * REASONING C1,C4: 5.. * DIS # C1: 5 # B3: 1,2 => CTR => B3: 7 * PRF # C1: 5 + B3: 7 # G3: 1,2 => SOL * STA # C1: 5 + B3: 7 + G3: 1,2 * CNT 2 HDP CHAINS / 8 HYP OPENED * DCP COUNT: (4) * SOLUTION FOUND
Header Info
38598;12_07;GP;21;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F6,I6: 2..:
* INC # F6: 2 # G1: 4,6 => UNS * INC # F6: 2 # I1: 4,6 => UNS * INC # F6: 2 # F7: 4,6 => UNS * INC # F6: 2 # F7: 9 => UNS * INC # F6: 2 # I2: 4,9 => UNS * INC # F6: 2 # I2: 1,7 => UNS * INC # F6: 2 # F7: 4,9 => UNS * INC # F6: 2 # F7: 6 => UNS * INC # F6: 2 # F5: 5,8 => UNS * INC # F6: 2 # F5: 7 => UNS * INC # F6: 2 # C4: 5,8 => UNS * INC # F6: 2 # C4: 1,3,6 => UNS * INC # F6: 2 # F5: 5,7 => UNS * INC # F6: 2 # F5: 8 => UNS * INC # F6: 2 => UNS * INC # I6: 2 # H4: 1,8 => UNS * INC # I6: 2 # G5: 1,8 => UNS * INC # I6: 2 # I5: 1,8 => UNS * INC # I6: 2 # H6: 1,8 => UNS * INC # I6: 2 # C4: 1,8 => UNS * INC # I6: 2 # C4: 3,5,6 => UNS * INC # I6: 2 # I3: 1,8 => UNS * INC # I6: 2 # I3: 5,6,7,9 => UNS * INC # I6: 2 => UNS * CNT 24 HDP CHAINS / 24 HYP OPENED
Full list of HDP chains traversed for I4,I6: 2..:
* INC # I4: 2 # G1: 4,6 => UNS * INC # I4: 2 # I1: 4,6 => UNS * INC # I4: 2 # F7: 4,6 => UNS * INC # I4: 2 # F7: 9 => UNS * INC # I4: 2 # I2: 4,9 => UNS * INC # I4: 2 # I2: 1,7 => UNS * INC # I4: 2 # F7: 4,9 => UNS * INC # I4: 2 # F7: 6 => UNS * INC # I4: 2 # F5: 5,8 => UNS * INC # I4: 2 # F5: 7 => UNS * INC # I4: 2 # C4: 5,8 => UNS * INC # I4: 2 # C4: 1,3,6 => UNS * INC # I4: 2 # F5: 5,7 => UNS * INC # I4: 2 # F5: 8 => UNS * INC # I4: 2 => UNS * INC # I6: 2 # H4: 1,8 => UNS * INC # I6: 2 # G5: 1,8 => UNS * INC # I6: 2 # I5: 1,8 => UNS * INC # I6: 2 # H6: 1,8 => UNS * INC # I6: 2 # C4: 1,8 => UNS * INC # I6: 2 # C4: 3,5,6 => UNS * INC # I6: 2 # I3: 1,8 => UNS * INC # I6: 2 # I3: 5,6,7,9 => UNS * INC # I6: 2 => UNS * CNT 24 HDP CHAINS / 24 HYP OPENED
Full list of HDP chains traversed for F1,D3: 6..:
* INC # D3: 6 # E1: 2,4 => UNS * INC # D3: 6 # F2: 2,4 => UNS * INC # D3: 6 # G1: 2,4 => UNS * INC # D3: 6 # G1: 1,3,6 => UNS * INC # D3: 6 # F4: 2,4 => UNS * INC # D3: 6 # F6: 2,4 => UNS * INC # D3: 6 # F7: 2,4 => UNS * INC # D3: 6 # E8: 3,7 => UNS * INC # D3: 6 # E8: 2,4,9 => UNS * INC # D3: 6 # F9: 4,5 => UNS * INC # D3: 6 # F9: 6,7,9 => UNS * INC # D3: 6 # D4: 4,5 => UNS * INC # D3: 6 # D4: 1,2,3 => UNS * INC # D3: 6 => UNS * INC # F1: 6 # E1: 1,2 => UNS * INC # F1: 6 # E3: 1,2 => UNS * INC # F1: 6 # A3: 1,2 => UNS * INC # F1: 6 # B3: 1,2 => UNS * INC # F1: 6 # G3: 1,2 => UNS * INC # F1: 6 # D4: 1,2 => UNS * INC # F1: 6 # D4: 3,4,5 => UNS * INC # F1: 6 => UNS * CNT 22 HDP CHAINS / 22 HYP OPENED
Full list of HDP chains traversed for C1,C4: 5..:
* INC # C1: 5 # B2: 1,2 => UNS * DIS # C1: 5 # B3: 1,2 => CTR => B3: 7 * INC # C1: 5 + B3: 7 # B2: 1,2 => UNS * INC # C1: 5 + B3: 7 # B2: 3 => UNS * INC # C1: 5 + B3: 7 # D3: 1,2 => UNS * INC # C1: 5 + B3: 7 # E3: 1,2 => UNS * PRF # C1: 5 + B3: 7 # G3: 1,2 => SOL * STA # C1: 5 + B3: 7 + G3: 1,2 * CNT 7 HDP CHAINS / 8 HYP OPENED