Analysis of xx-ph-00000429-151-base.sdk
Contents
Original Sudoku
level: deep
position: ...4.6.....6.8.1...7...1.6..3.....9.5.......7..78..2....2..86..7.......39...2..5. initial
Autosolve
position: ...4.6.....6.8.1...7...1.6..3.....9.5.......7..78..2....2..86..7......239...2..5. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000011
List of important HDP chains detected for G1,G9: 7..:
* DIS # G1: 7 # G8: 4,8 => CTR => G8: 9 * DIS # G1: 7 + G8: 9 # G3: 4,8 => CTR => G3: 3,5 * DIS # G1: 7 + G8: 9 + G3: 3,5 # A7: 1,4 => CTR => A7: 3 * DIS # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 # E7: 1,4 => CTR => E7: 5,9 * PRF # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 + E7: 5,9 # B1: 1,2 => SOL * STA # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 + E7: 5,9 + B1: 1,2 * CNT 5 HDP CHAINS / 47 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
| ...4.6.....6.8.1...7...1.6..3.....9.5.......7..78..2....2..86..7.......39...2..5. | initial |
| ...4.6.....6.8.1...7...1.6..3.....9.5.......7..78..2....2..86..7......239...2..5. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) A4,B5: 2.. / A4 = 2 => 1 pairs (_) / B5 = 2 => 0 pairs (_) A7,C9: 3.. / A7 = 3 => 1 pairs (_) / C9 = 3 => 2 pairs (_) A4,A6: 6.. / A4 = 6 => 3 pairs (_) / A6 = 6 => 0 pairs (_) D5,E5: 6.. / D5 = 6 => 0 pairs (_) / E5 = 6 => 0 pairs (_) I4,I6: 6.. / I4 = 6 => 0 pairs (_) / I6 = 6 => 3 pairs (_) B8,B9: 6.. / B8 = 6 => 0 pairs (_) / B9 = 6 => 0 pairs (_) A4,I4: 6.. / A4 = 6 => 3 pairs (_) / I4 = 6 => 0 pairs (_) A6,I6: 6.. / A6 = 6 => 0 pairs (_) / I6 = 6 => 3 pairs (_) B9,D9: 6.. / B9 = 6 => 0 pairs (_) / D9 = 6 => 0 pairs (_) E5,E8: 6.. / E5 = 6 => 0 pairs (_) / E8 = 6 => 0 pairs (_) H7,G9: 7.. / H7 = 7 => 3 pairs (_) / G9 = 7 => 2 pairs (_) G1,G9: 7.. / G1 = 7 => 3 pairs (_) / G9 = 7 => 2 pairs (_) H1,H5: 8.. / H1 = 8 => 0 pairs (_) / H5 = 8 => 3 pairs (_) I7,G8: 9.. / I7 = 9 => 1 pairs (_) / G8 = 9 => 2 pairs (_) * DURATION: 0:00:09.705387 START: 15:58:09.693621 END: 15:58:19.399008 2020-10-25 * CP COUNT: (14) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G1,G9: 7.. / G1 = 7 ==> 0 pairs (*) / G9 = 7 => 0 pairs (X) * DURATION: 0:00:34.531461 START: 15:58:19.399975 END: 15:58:53.931436 2020-10-25 * REASONING G1,G9: 7.. * DIS # G1: 7 # G8: 4,8 => CTR => G8: 9 * DIS # G1: 7 + G8: 9 # G3: 4,8 => CTR => G3: 3,5 * DIS # G1: 7 + G8: 9 + G3: 3,5 # A7: 1,4 => CTR => A7: 3 * DIS # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 # E7: 1,4 => CTR => E7: 5,9 * PRF # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 + E7: 5,9 # B1: 1,2 => SOL * STA # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 + E7: 5,9 + B1: 1,2 * CNT 5 HDP CHAINS / 47 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
429;151;elev;23;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G1,G9: 7..:
* INC # G1: 7 # G3: 3,8 => UNS * INC # G1: 7 # G3: 4,5,9 => UNS * INC # G1: 7 # A1: 3,8 => UNS * INC # G1: 7 # C1: 3,8 => UNS * INC # G1: 7 # H5: 3,8 => UNS * INC # G1: 7 # H5: 1,4 => UNS * INC # G1: 7 # G3: 3,4 => UNS * INC # G1: 7 # G3: 5,8,9 => UNS * INC # G1: 7 # A2: 3,4 => UNS * INC # G1: 7 # A2: 2 => UNS * INC # G1: 7 # H5: 3,4 => UNS * INC # G1: 7 # H6: 3,4 => UNS * DIS # G1: 7 # G8: 4,8 => CTR => G8: 9 * INC # G1: 7 + G8: 9 # I9: 4,8 => UNS * INC # G1: 7 + G8: 9 # I9: 4,8 => UNS * INC # G1: 7 + G8: 9 # I9: 1 => UNS * DIS # G1: 7 + G8: 9 # G3: 4,8 => CTR => G3: 3,5 * INC # G1: 7 + G8: 9 + G3: 3,5 # G4: 4,8 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # G5: 4,8 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # I9: 4,8 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # I9: 1 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # G4: 4,8 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # G5: 4,8 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # A1: 3,8 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # C1: 3,8 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # H5: 3,8 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # H5: 1,4 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # A2: 3,4 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # A2: 2 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # H5: 3,4 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # H6: 3,4 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # C3: 3,5 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # D3: 3,5 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # E3: 3,5 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # E7: 4,5 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # E8: 4,5 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # B8: 4,5 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # C8: 4,5 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # F4: 4,5 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # F6: 4,5 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # I9: 1,4 => UNS * INC # G1: 7 + G8: 9 + G3: 3,5 # I9: 8 => UNS * DIS # G1: 7 + G8: 9 + G3: 3,5 # A7: 1,4 => CTR => A7: 3 * INC # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 # B7: 1,4 => UNS * DIS # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 # E7: 1,4 => CTR => E7: 5,9 * PRF # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 + E7: 5,9 # B1: 1,2 => SOL * STA # G1: 7 + G8: 9 + G3: 3,5 + A7: 3 + E7: 5,9 + B1: 1,2 * CNT 46 HDP CHAINS / 47 HYP OPENED