Analysis of xx-ph-02488880-2019_08_05_a-base.sdk
Contents
Original Sudoku
level: deep
position: 98.76....54....7.......5.987.........5...9..4...57..3.4....7.89.9.2..3......9.1.. initial
Autosolve
position: 98.76....54.9..7.......5.987.........5...9.74...57..3.4....7.89.9.2..3......9.1.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000019
List of important HDP chains detected for E7,E8: 5..:
* DIS # E7: 5 # G6: 2,6 => CTR => G6: 8,9 * CNT 1 HDP CHAINS / 42 HYP OPENED
List of important HDP chains detected for C6,G6: 9..:
* DIS # C6: 9 # B7: 1,3 => CTR => B7: 2,6 * PRF # C6: 9 + B7: 2,6 # C3: 1,3 => SOL * STA # C6: 9 + B7: 2,6 + C3: 1,3 * CNT 2 HDP CHAINS / 42 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
| 98.76....54....7.......5.987.........5...9..4...57..3.4....7.89.9.2..3......9.1.. | initial |
| 98.76....54.9..7.......5.987.........5...9.74...57..3.4....7.89.9.2..3......9.1.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (2) C4: 4,9 C6: 4,9 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) I1,I2: 3.. / I1 = 3 => 3 pairs (_) / I2 = 3 => 2 pairs (_) G1,G3: 4.. / G1 = 4 => 3 pairs (_) / G3 = 4 => 2 pairs (_) C4,C6: 4.. / C4 = 4 => 5 pairs (_) / C6 = 4 => 0 pairs (_) H8,H9: 4.. / H8 = 4 => 2 pairs (_) / H9 = 4 => 3 pairs (_) F1,G1: 4.. / F1 = 4 => 2 pairs (_) / G1 = 4 => 3 pairs (_) C6,F6: 4.. / C6 = 4 => 0 pairs (_) / F6 = 4 => 5 pairs (_) E7,E8: 5.. / E7 = 5 => 3 pairs (_) / E8 = 5 => 5 pairs (_) B3,C3: 7.. / B3 = 7 => 2 pairs (_) / C3 = 7 => 2 pairs (_) I8,I9: 7.. / I8 = 7 => 2 pairs (_) / I9 = 7 => 3 pairs (_) C8,I8: 7.. / C8 = 7 => 3 pairs (_) / I8 = 7 => 2 pairs (_) B3,B9: 7.. / B3 = 7 => 2 pairs (_) / B9 = 7 => 2 pairs (_) E2,F2: 8.. / E2 = 8 => 2 pairs (_) / F2 = 8 => 2 pairs (_) C4,C6: 9.. / C4 = 9 => 0 pairs (_) / C6 = 9 => 5 pairs (_) G4,G6: 9.. / G4 = 9 => 5 pairs (_) / G6 = 9 => 0 pairs (_) C4,G4: 9.. / C4 = 9 => 0 pairs (_) / G4 = 9 => 5 pairs (_) C6,G6: 9.. / C6 = 9 => 5 pairs (_) / G6 = 9 => 0 pairs (_) * DURATION: 0:00:16.353106 START: 13:23:08.692534 END: 13:23:25.045640 2020-11-17 * CP COUNT: (16) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E7,E8: 5.. / E7 = 5 ==> 4 pairs (_) / E8 = 5 ==> 5 pairs (_) C6,G6: 9.. / C6 = 9 ==> 0 pairs (*) / G6 = 9 => 0 pairs (X) * DURATION: 0:01:15.835711 START: 13:23:25.900313 END: 13:24:41.736024 2020-11-17 * REASONING E7,E8: 5.. * DIS # E7: 5 # G6: 2,6 => CTR => G6: 8,9 * CNT 1 HDP CHAINS / 42 HYP OPENED * REASONING C6,G6: 9.. * DIS # C6: 9 # B7: 1,3 => CTR => B7: 2,6 * PRF # C6: 9 + B7: 2,6 # C3: 1,3 => SOL * STA # C6: 9 + B7: 2,6 + C3: 1,3 * CNT 2 HDP CHAINS / 42 HYP OPENED * DCP COUNT: (2) * SOLUTION FOUND
Header Info
2488880;2019_08_05_a;PAQ;26;11.40;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E7,E8: 5..:
* INC # E8: 5 # D7: 1,3 => UNS * INC # E8: 5 # D7: 6 => UNS * INC # E8: 5 # B7: 1,3 => UNS * INC # E8: 5 # C7: 1,3 => UNS * INC # E8: 5 # E2: 1,3 => UNS * INC # E8: 5 # E3: 1,3 => UNS * INC # E8: 5 # E4: 1,3 => UNS * INC # E8: 5 # E5: 1,3 => UNS * INC # E8: 5 # H9: 4,6 => UNS * INC # E8: 5 # H9: 2,5 => UNS * INC # E8: 5 # F8: 4,6 => UNS * INC # E8: 5 # F8: 1,8 => UNS * INC # E8: 5 # I9: 6,7 => UNS * INC # E8: 5 # I9: 2,5 => UNS * INC # E8: 5 # C8: 6,7 => UNS * INC # E8: 5 # C8: 1,8 => UNS * INC # E8: 5 => UNS * INC # E7: 5 # H9: 2,6 => UNS * INC # E7: 5 # I9: 2,6 => UNS * INC # E7: 5 # B7: 2,6 => UNS * INC # E7: 5 # C7: 2,6 => UNS * INC # E7: 5 # G3: 2,6 => UNS * INC # E7: 5 # G4: 2,6 => UNS * INC # E7: 5 # G5: 2,6 => UNS * DIS # E7: 5 # G6: 2,6 => CTR => G6: 8,9 * INC # E7: 5 + G6: 8,9 # H9: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # I9: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # B7: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # C7: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # G3: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # G4: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # G5: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # G4: 8,9 => UNS * INC # E7: 5 + G6: 8,9 # G4: 2,5,6 => UNS * INC # E7: 5 + G6: 8,9 # H9: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # I9: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # B7: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # C7: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # G3: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # G4: 2,6 => UNS * INC # E7: 5 + G6: 8,9 # G5: 2,6 => UNS * INC # E7: 5 + G6: 8,9 => UNS * CNT 42 HDP CHAINS / 42 HYP OPENED
Full list of HDP chains traversed for C6,G6: 9..:
* INC # C6: 9 # F1: 1,3 => UNS * INC # C6: 9 # F2: 1,3 => UNS * INC # C6: 9 # A3: 1,3 => UNS * INC # C6: 9 # B3: 1,3 => UNS * INC # C6: 9 # C3: 1,3 => UNS * INC # C6: 9 # D5: 1,3 => UNS * INC # C6: 9 # D7: 1,3 => UNS * INC # C6: 9 # H2: 2,6 => UNS * INC # C6: 9 # I2: 2,6 => UNS * INC # C6: 9 # A3: 2,6 => UNS * INC # C6: 9 # B3: 2,6 => UNS * INC # C6: 9 # C3: 2,6 => UNS * INC # C6: 9 # G5: 2,6 => UNS * INC # C6: 9 # G6: 2,6 => UNS * INC # C6: 9 # D7: 1,3 => UNS * INC # C6: 9 # D7: 6 => UNS * DIS # C6: 9 # B7: 1,3 => CTR => B7: 2,6 * INC # C6: 9 + B7: 2,6 # C7: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # C7: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # C7: 2,6 => UNS * INC # C6: 9 + B7: 2,6 # E4: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # E5: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # D7: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # D7: 6 => UNS * INC # C6: 9 + B7: 2,6 # C7: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # C7: 2,6 => UNS * INC # C6: 9 + B7: 2,6 # E4: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # E5: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # I9: 6,7 => UNS * INC # C6: 9 + B7: 2,6 # I9: 2 => UNS * INC # C6: 9 + B7: 2,6 # C8: 6,7 => UNS * INC # C6: 9 + B7: 2,6 # C8: 1,8 => UNS * INC # C6: 9 + B7: 2,6 # I9: 2,6 => UNS * INC # C6: 9 + B7: 2,6 # I9: 7 => UNS * INC # C6: 9 + B7: 2,6 # H2: 2,6 => UNS * INC # C6: 9 + B7: 2,6 # H4: 2,6 => UNS * INC # C6: 9 + B7: 2,6 # F1: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # F2: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # A3: 1,3 => UNS * INC # C6: 9 + B7: 2,6 # B3: 1,3 => UNS * PRF # C6: 9 + B7: 2,6 # C3: 1,3 => SOL * STA # C6: 9 + B7: 2,6 + C3: 1,3 * CNT 41 HDP CHAINS / 42 HYP OPENED