Analysis of xx-ph-02319228-2019_03_16-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..5..9..4....3.8....7......4..5.4....6....975..4..5..7...9...2....1..7.... initial
Autosolve
position: 98.7..6..5..9..4....3.8....7......4..5.4...76....975..4..5..7...97..2....15.7.... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for C5,G5: 9..:
* DIS # G5: 9 # A3: 1,2 => CTR => A3: 6 * DIS # G5: 9 + A3: 6 # E2: 1,2 => CTR => E2: 3,6 * DIS # G5: 9 + A3: 6 + E2: 3,6 # A5: 2,8 => CTR => A5: 1,3 * DIS # G5: 9 + A3: 6 + E2: 3,6 + A5: 1,3 # A6: 2,8 => CTR => A6: 1,3 * PRF # G5: 9 + A3: 6 + E2: 3,6 + A5: 1,3 + A6: 1,3 # C6: 2,8 => SOL * STA # G5: 9 + A3: 6 + E2: 3,6 + A5: 1,3 + A6: 1,3 + C6: 2,8 * CNT 5 HDP CHAINS / 46 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..5..9..4....3.8....7......4..5.4....6....975..4..5..7...9...2....1..7.... | initial |
| 98.7..6..5..9..4....3.8....7......4..5.4...76....975..4..5..7...97..2....15.7.... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) C1,B3: 4.. / C1 = 4 => 0 pairs (_) / B3 = 4 => 1 pairs (_) B6,C6: 4.. / B6 = 4 => 0 pairs (_) / C6 = 4 => 1 pairs (_) E8,F9: 4.. / E8 = 4 => 0 pairs (_) / F9 = 4 => 2 pairs (_) I8,I9: 4.. / I8 = 4 => 2 pairs (_) / I9 = 4 => 0 pairs (_) B3,F3: 4.. / B3 = 4 => 1 pairs (_) / F3 = 4 => 0 pairs (_) E8,I8: 4.. / E8 = 4 => 0 pairs (_) / I8 = 4 => 2 pairs (_) F9,I9: 4.. / F9 = 4 => 2 pairs (_) / I9 = 4 => 0 pairs (_) B3,B6: 4.. / B3 = 4 => 1 pairs (_) / B6 = 4 => 0 pairs (_) C1,C6: 4.. / C1 = 4 => 0 pairs (_) / C6 = 4 => 1 pairs (_) E1,E8: 4.. / E1 = 4 => 2 pairs (_) / E8 = 4 => 0 pairs (_) E4,F4: 5.. / E4 = 5 => 0 pairs (_) / F4 = 5 => 0 pairs (_) H8,I8: 5.. / H8 = 5 => 3 pairs (_) / I8 = 5 => 0 pairs (_) E1,E4: 5.. / E1 = 5 => 0 pairs (_) / E4 = 5 => 0 pairs (_) B2,B3: 7.. / B2 = 7 => 0 pairs (_) / B3 = 7 => 2 pairs (_) I2,I3: 7.. / I2 = 7 => 2 pairs (_) / I3 = 7 => 0 pairs (_) B2,I2: 7.. / B2 = 7 => 0 pairs (_) / I2 = 7 => 2 pairs (_) B3,I3: 7.. / B3 = 7 => 2 pairs (_) / I3 = 7 => 0 pairs (_) H2,I2: 8.. / H2 = 8 => 0 pairs (_) / I2 = 8 => 0 pairs (_) C4,C5: 9.. / C4 = 9 => 4 pairs (_) / C5 = 9 => 0 pairs (_) F7,F9: 9.. / F7 = 9 => 0 pairs (_) / F9 = 9 => 0 pairs (_) C5,G5: 9.. / C5 = 9 => 0 pairs (_) / G5 = 9 => 4 pairs (_) * DURATION: 0:00:18.167643 START: 15:28:11.385705 END: 15:28:29.553348 2020-10-12 * CP COUNT: (21) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) C5,G5: 9.. / C5 = 9 => 0 pairs (X) / G5 = 9 ==> 0 pairs (*) * DURATION: 0:00:47.239659 START: 15:28:29.554076 END: 15:29:16.793735 2020-10-12 * REASONING C5,G5: 9.. * DIS # G5: 9 # A3: 1,2 => CTR => A3: 6 * DIS # G5: 9 + A3: 6 # E2: 1,2 => CTR => E2: 3,6 * DIS # G5: 9 + A3: 6 + E2: 3,6 # A5: 2,8 => CTR => A5: 1,3 * DIS # G5: 9 + A3: 6 + E2: 3,6 + A5: 1,3 # A6: 2,8 => CTR => A6: 1,3 * PRF # G5: 9 + A3: 6 + E2: 3,6 + A5: 1,3 + A6: 1,3 # C6: 2,8 => SOL * STA # G5: 9 + A3: 6 + E2: 3,6 + A5: 1,3 + A6: 1,3 + C6: 2,8 * CNT 5 HDP CHAINS / 46 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
2319228;2019_03_16;PAQ;24;11.50;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for C5,G5: 9..:
* INC # G5: 9 # E1: 4,5 => UNS * INC # G5: 9 # F1: 4,5 => UNS * INC # G5: 9 # H1: 1,2 => UNS * INC # G5: 9 # I1: 1,2 => UNS * INC # G5: 9 # H2: 1,2 => UNS * INC # G5: 9 # I2: 1,2 => UNS * DIS # G5: 9 # A3: 1,2 => CTR => A3: 6 * INC # G5: 9 + A3: 6 # G4: 1,2 => UNS * INC # G5: 9 + A3: 6 # G4: 3,8 => UNS * INC # G5: 9 + A3: 6 # H1: 1,2 => UNS * INC # G5: 9 + A3: 6 # I1: 1,2 => UNS * INC # G5: 9 + A3: 6 # H2: 1,2 => UNS * INC # G5: 9 + A3: 6 # I2: 1,2 => UNS * INC # G5: 9 + A3: 6 # G4: 1,2 => UNS * INC # G5: 9 + A3: 6 # G4: 3,8 => UNS * INC # G5: 9 + A3: 6 # I3: 5,9 => UNS * INC # G5: 9 + A3: 6 # I3: 7 => UNS * INC # G5: 9 + A3: 6 # I2: 2,7 => UNS * INC # G5: 9 + A3: 6 # I2: 1,3,8 => UNS * INC # G5: 9 + A3: 6 # C1: 1,2 => UNS * INC # G5: 9 + A3: 6 # C1: 4 => UNS * DIS # G5: 9 + A3: 6 # E2: 1,2 => CTR => E2: 3,6 * INC # G5: 9 + A3: 6 + E2: 3,6 # H2: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # I2: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # C1: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # C1: 4 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # H2: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # I2: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # E1: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # E1: 3,4,5 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # D4: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # D6: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # E1: 4,5 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # F1: 4,5 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # H1: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # I1: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # H2: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # I2: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # G4: 1,2 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # G4: 3,8 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # I3: 5,9 => UNS * INC # G5: 9 + A3: 6 + E2: 3,6 # I3: 7 => UNS * DIS # G5: 9 + A3: 6 + E2: 3,6 # A5: 2,8 => CTR => A5: 1,3 * DIS # G5: 9 + A3: 6 + E2: 3,6 + A5: 1,3 # A6: 2,8 => CTR => A6: 1,3 * PRF # G5: 9 + A3: 6 + E2: 3,6 + A5: 1,3 + A6: 1,3 # C6: 2,8 => SOL * STA # G5: 9 + A3: 6 + E2: 3,6 + A5: 1,3 + A6: 1,3 + C6: 2,8 * CNT 45 HDP CHAINS / 46 HYP OPENED