Analysis of xx-ph-02345852-2019_05_01-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..7......95.4.6..7..4..3......3..86..4..8.7.3...7.8..4......2..1.........7 initial
Autosolve
position: 98.7..64.7......95.4.6..7..4..3......3..86..4..8.7.3...7.8..4......27.1.........7 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for F2,G2: 8..:
* DIS # G2: 8 # F4: 1,5 => CTR => F4: 2,9 * DIS # G2: 8 + F4: 2,9 # C4: 1,5 => CTR => C4: 2,6,7,9 * DIS # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # F6: 2,9 => CTR => F6: 1,4,5 * PRF # G2: 8 + F4: 2,9 + C4: 2,6,7,9 + F6: 1,4,5 # C4: 2,9 => SOL * STA # G2: 8 + F4: 2,9 + C4: 2,6,7,9 + F6: 1,4,5 + C4: 2,9 * CNT 4 HDP CHAINS / 51 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......95.4.6..7..4..3......3..86..4..8.7.3...7.8..4......2..1.........7 | initial |
| 98.7..64.7......95.4.6..7..4..3......3..86..4..8.7.3...7.8..4......27.1.........7 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D6,F6: 4.. / D6 = 4 => 2 pairs (_) / F6 = 4 => 0 pairs (_) C8,C9: 4.. / C8 = 4 => 1 pairs (_) / C9 = 4 => 1 pairs (_) C8,D8: 4.. / C8 = 4 => 1 pairs (_) / D8 = 4 => 1 pairs (_) E2,E9: 4.. / E2 = 4 => 1 pairs (_) / E9 = 4 => 2 pairs (_) B2,C2: 6.. / B2 = 6 => 1 pairs (_) / C2 = 6 => 4 pairs (_) E7,E9: 6.. / E7 = 6 => 0 pairs (_) / E9 = 6 => 1 pairs (_) C4,C5: 7.. / C4 = 7 => 0 pairs (_) / C5 = 7 => 1 pairs (_) H4,H5: 7.. / H4 = 7 => 1 pairs (_) / H5 = 7 => 0 pairs (_) C4,H4: 7.. / C4 = 7 => 0 pairs (_) / H4 = 7 => 1 pairs (_) C5,H5: 7.. / C5 = 7 => 1 pairs (_) / H5 = 7 => 0 pairs (_) F2,F3: 8.. / F2 = 8 => 1 pairs (_) / F3 = 8 => 3 pairs (_) A8,A9: 8.. / A8 = 8 => 1 pairs (_) / A9 = 8 => 0 pairs (_) F2,G2: 8.. / F2 = 8 => 1 pairs (_) / G2 = 8 => 3 pairs (_) E3,F3: 9.. / E3 = 9 => 1 pairs (_) / F3 = 9 => 1 pairs (_) * DURATION: 0:00:09.160564 START: 17:42:53.797270 END: 17:43:02.957834 2020-11-13 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) B2,C2: 6.. / B2 = 6 ==> 1 pairs (_) / C2 = 6 ==> 4 pairs (_) F2,G2: 8.. / F2 = 8 => 0 pairs (X) / G2 = 8 ==> 0 pairs (*) * DURATION: 0:00:54.400682 START: 17:43:02.958434 END: 17:43:57.359116 2020-11-13 * REASONING F2,G2: 8.. * DIS # G2: 8 # F4: 1,5 => CTR => F4: 2,9 * DIS # G2: 8 + F4: 2,9 # C4: 1,5 => CTR => C4: 2,6,7,9 * DIS # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # F6: 2,9 => CTR => F6: 1,4,5 * PRF # G2: 8 + F4: 2,9 + C4: 2,6,7,9 + F6: 1,4,5 # C4: 2,9 => SOL * STA # G2: 8 + F4: 2,9 + C4: 2,6,7,9 + F6: 1,4,5 + C4: 2,9 * CNT 4 HDP CHAINS / 51 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
2345852;2019_05_01;PAQ;25;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for B2,C2: 6..:
* INC # C2: 6 # C1: 1,2 => UNS * INC # C2: 6 # A3: 1,2 => UNS * INC # C2: 6 # C3: 1,2 => UNS * INC # C2: 6 # D2: 1,2 => UNS * INC # C2: 6 # F2: 1,2 => UNS * INC # C2: 6 # G2: 1,2 => UNS * INC # C2: 6 # B4: 1,2 => UNS * INC # C2: 6 # B6: 1,2 => UNS * INC # C2: 6 # B9: 1,2 => UNS * INC # C2: 6 # F1: 1,5 => UNS * INC # C2: 6 # E3: 1,5 => UNS * INC # C2: 6 # F3: 1,5 => UNS * INC # C2: 6 # C1: 1,5 => UNS * INC # C2: 6 # C1: 2,3 => UNS * INC # C2: 6 # E4: 1,5 => UNS * INC # C2: 6 # E4: 9 => UNS * INC # C2: 6 # F2: 3,4 => UNS * INC # C2: 6 # F2: 1,2,8 => UNS * INC # C2: 6 # E9: 3,4 => UNS * INC # C2: 6 # E9: 6 => UNS * INC # C2: 6 # E9: 3,6 => UNS * INC # C2: 6 # E9: 4 => UNS * INC # C2: 6 # A7: 3,6 => UNS * INC # C2: 6 # H7: 3,6 => UNS * INC # C2: 6 # I7: 3,6 => UNS * INC # C2: 6 => UNS * INC # B2: 6 # C7: 5,9 => UNS * INC # B2: 6 # C8: 5,9 => UNS * INC # B2: 6 # B9: 5,9 => UNS * INC # B2: 6 # C9: 5,9 => UNS * INC # B2: 6 # D8: 5,9 => UNS * INC # B2: 6 # G8: 5,9 => UNS * INC # B2: 6 # B4: 5,9 => UNS * INC # B2: 6 # B6: 5,9 => UNS * INC # B2: 6 => UNS * CNT 35 HDP CHAINS / 35 HYP OPENED
Full list of HDP chains traversed for F2,G2: 8..:
* INC # G2: 8 # I1: 2,3 => UNS * INC # G2: 8 # I3: 2,3 => UNS * INC # G2: 8 # A3: 2,3 => UNS * INC # G2: 8 # C3: 2,3 => UNS * INC # G2: 8 # H7: 2,3 => UNS * INC # G2: 8 # H9: 2,3 => UNS * DIS # G2: 8 # F4: 1,5 => CTR => F4: 2,9 * INC # G2: 8 + F4: 2,9 # D5: 1,5 => UNS * INC # G2: 8 + F4: 2,9 # D6: 1,5 => UNS * INC # G2: 8 + F4: 2,9 # F6: 1,5 => UNS * INC # G2: 8 + F4: 2,9 # B4: 1,5 => UNS * DIS # G2: 8 + F4: 2,9 # C4: 1,5 => CTR => C4: 2,6,7,9 * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # G4: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # E1: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # E7: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # E9: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # D5: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # D6: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # F6: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # B4: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # G4: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # E1: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # E7: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # E9: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # G9: 5,9 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # G9: 2 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # B8: 5,9 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # C8: 5,9 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # D8: 5,9 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # G4: 5,9 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # G5: 5,9 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # I1: 2,3 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # I3: 2,3 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # A3: 2,3 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # C3: 2,3 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # H7: 2,3 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # H9: 2,3 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # D5: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # D6: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # F6: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # B4: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # G4: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # E1: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # E7: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # E9: 1,5 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # D5: 2,9 => UNS * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # D6: 2,9 => UNS * DIS # G2: 8 + F4: 2,9 + C4: 2,6,7,9 # F6: 2,9 => CTR => F6: 1,4,5 * INC # G2: 8 + F4: 2,9 + C4: 2,6,7,9 + F6: 1,4,5 # B4: 2,9 => UNS * PRF # G2: 8 + F4: 2,9 + C4: 2,6,7,9 + F6: 1,4,5 # C4: 2,9 => SOL * STA # G2: 8 + F4: 2,9 + C4: 2,6,7,9 + F6: 1,4,5 + C4: 2,9 * CNT 50 HDP CHAINS / 51 HYP OPENED