Analysis of xx-ph-00033297-2012_04-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....7.....6....5.4....6..8..3...7.....2...1..2....3.9..7......2...4.....1.5. initial
Autosolve
position: 98.7.....7.....6....5.4....6..8..3...7.....2...1..2....3.9..7......2...4.....1.5. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for C1,B3: 6..:
* PRF # C1: 6 # D2: 3,5 => SOL * STA # C1: 6 + D2: 3,5 * CNT 1 HDP CHAINS / 7 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....5.4....6..8..3...7.....2...1..2....3.9..7......2...4.....1.5. | initial |
| 98.7.....7.....6....5.4....6..8..3...7.....2...1..2....3.9..7......2...4.....1.5. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D2,D3: 2.. / D2 = 2 => 2 pairs (_) / D3 = 2 => 2 pairs (_) B4,C4: 2.. / B4 = 2 => 3 pairs (_) / C4 = 2 => 1 pairs (_) H8,I9: 3.. / H8 = 3 => 2 pairs (_) / I9 = 3 => 1 pairs (_) F7,D9: 4.. / F7 = 4 => 1 pairs (_) / D9 = 4 => 1 pairs (_) C1,B3: 6.. / C1 = 6 => 2 pairs (_) / B3 = 6 => 0 pairs (_) H3,I3: 7.. / H3 = 7 => 0 pairs (_) / I3 = 7 => 0 pairs (_) C8,C9: 7.. / C8 = 7 => 0 pairs (_) / C9 = 7 => 0 pairs (_) F8,E9: 7.. / F8 = 7 => 0 pairs (_) / E9 = 7 => 0 pairs (_) C8,F8: 7.. / C8 = 7 => 0 pairs (_) / F8 = 7 => 0 pairs (_) C9,E9: 7.. / C9 = 7 => 0 pairs (_) / E9 = 7 => 0 pairs (_) F4,F8: 7.. / F4 = 7 => 0 pairs (_) / F8 = 7 => 0 pairs (_) * DURATION: 0:00:06.565689 START: 13:00:04.537111 END: 13:00:11.102800 2020-12-12 * CP COUNT: (11) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B4,C4: 2.. / B4 = 2 ==> 3 pairs (_) / C4 = 2 ==> 1 pairs (_) D2,D3: 2.. / D2 = 2 ==> 2 pairs (_) / D3 = 2 ==> 2 pairs (_) H8,I9: 3.. / H8 = 3 ==> 2 pairs (_) / I9 = 3 ==> 1 pairs (_) C1,B3: 6.. / C1 = 6 ==> 0 pairs (*) / B3 = 6 => 0 pairs (X) * DURATION: 0:00:31.804807 START: 13:00:11.103370 END: 13:00:42.908177 2020-12-12 * REASONING C1,B3: 6.. * PRF # C1: 6 # D2: 3,5 => SOL * STA # C1: 6 + D2: 3,5 * CNT 1 HDP CHAINS / 7 HYP OPENED * DCP COUNT: (4) * SOLUTION FOUND
Header Info
33297;2012_04;GP;21;11.30;11.30;9.90
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B4,C4: 2..:
* INC # B4: 2 # H2: 1,4 => UNS * INC # B4: 2 # H2: 3,8,9 => UNS * INC # B4: 2 # D3: 1,6 => UNS * INC # B4: 2 # D3: 2,3 => UNS * INC # B4: 2 # B8: 1,6 => UNS * INC # B4: 2 # B8: 5,9 => UNS * INC # B4: 2 # C5: 4,9 => UNS * INC # B4: 2 # B6: 4,9 => UNS * INC # B4: 2 # F4: 4,9 => UNS * INC # B4: 2 # H4: 4,9 => UNS * INC # B4: 2 # C9: 4,9 => UNS * INC # B4: 2 # C9: 2,6,7,8 => UNS * INC # B4: 2 => UNS * INC # C4: 2 # C1: 3,4 => UNS * INC # C4: 2 # C1: 6 => UNS * INC # C4: 2 # H2: 3,4 => UNS * INC # C4: 2 # H2: 1,8,9 => UNS * INC # C4: 2 # C5: 3,4 => UNS * INC # C4: 2 # C5: 8,9 => UNS * INC # C4: 2 => UNS * CNT 20 HDP CHAINS / 20 HYP OPENED
Full list of HDP chains traversed for D2,D3: 2..:
* INC # D2: 2 # H2: 1,4 => UNS * INC # D2: 2 # H2: 3,8,9 => UNS * INC # D2: 2 # C1: 3,4 => UNS * INC # D2: 2 # C1: 2,6 => UNS * INC # D2: 2 # H2: 3,4 => UNS * INC # D2: 2 # H2: 1,8,9 => UNS * INC # D2: 2 # C5: 3,4 => UNS * INC # D2: 2 # C5: 8,9 => UNS * INC # D2: 2 => UNS * INC # D3: 2 # H3: 1,3 => UNS * INC # D3: 2 # I3: 1,3 => UNS * INC # D3: 2 # B8: 1,6 => UNS * INC # D3: 2 # B8: 5,9 => UNS * INC # D3: 2 => UNS * CNT 14 HDP CHAINS / 14 HYP OPENED
Full list of HDP chains traversed for H8,I9: 3..:
* INC # H8: 3 # G1: 1,4 => UNS * INC # H8: 3 # H2: 1,4 => UNS * INC # H8: 3 # H4: 1,4 => UNS * INC # H8: 3 # H4: 7,9 => UNS * INC # H8: 3 # E7: 5,6 => UNS * INC # H8: 3 # F7: 5,6 => UNS * INC # H8: 3 # F8: 5,6 => UNS * INC # H8: 3 # B8: 5,6 => UNS * INC # H8: 3 # B8: 1,9 => UNS * INC # H8: 3 # D5: 5,6 => UNS * INC # H8: 3 # D6: 5,6 => UNS * INC # H8: 3 => UNS * INC # I9: 3 # F7: 4,6 => UNS * INC # I9: 3 # F7: 5,8 => UNS * INC # I9: 3 # B9: 4,6 => UNS * INC # I9: 3 # C9: 4,6 => UNS * INC # I9: 3 # D5: 4,6 => UNS * INC # I9: 3 # D6: 4,6 => UNS * INC # I9: 3 => UNS * CNT 19 HDP CHAINS / 19 HYP OPENED
Full list of HDP chains traversed for C1,B3: 6..:
* INC # C1: 6 # B2: 1,2 => UNS * INC # C1: 6 # A3: 1,2 => UNS * INC # C1: 6 # D3: 1,2 => UNS * INC # C1: 6 # D3: 3,6 => UNS * INC # C1: 6 # E1: 3,5 => UNS * PRF # C1: 6 # D2: 3,5 => SOL * STA # C1: 6 + D2: 3,5 * CNT 6 HDP CHAINS / 7 HYP OPENED