Analysis of xx-ph-00015796-Kz1_b-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7.....6.....7....7.5..8..4..3......64..8.......2.14..85..9......4..2......1..3 initial
Autosolve
position: 98.7.....6.....7....7.5..8..4..3......64..8.......2.14..85..9......4..28.....1..3 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000008
List of important HDP chains detected for A7,H7: 4..:
* DIS # A7: 4 # I7: 6,7 => CTR => I7: 1 * DIS # A7: 4 + I7: 1 # B7: 6,7 => CTR => B7: 2,3 * DIS # A7: 4 + I7: 1 + B7: 2,3 # G1: 5,6 => CTR => G1: 1,2,3,4 * PRF # A7: 4 + I7: 1 + B7: 2,3 + G1: 1,2,3,4 # G4: 5,6 => SOL * STA # A7: 4 + I7: 1 + B7: 2,3 + G1: 1,2,3,4 + G4: 5,6 * CNT 4 HDP CHAINS / 25 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....7.5..8..4..3......64..8.......2.14..85..9......4..2......1..3 | initial |
| 98.7.....6.....7....7.5..8..4..3......64..8.......2.14..85..9......4..28.....1..3 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D4,E5: 1.. / D4 = 1 => 1 pairs (_) / E5 = 1 => 1 pairs (_) I7,G8: 1.. / I7 = 1 => 1 pairs (_) / G8 = 1 => 1 pairs (_) H5,G6: 3.. / H5 = 3 => 1 pairs (_) / G6 = 3 => 1 pairs (_) A7,H7: 4.. / A7 = 4 => 1 pairs (_) / H7 = 4 => 1 pairs (_) F4,F5: 5.. / F4 = 5 => 2 pairs (_) / F5 = 5 => 0 pairs (_) A4,A6: 8.. / A4 = 8 => 0 pairs (_) / A6 = 8 => 1 pairs (_) D9,E9: 8.. / D9 = 8 => 2 pairs (_) / E9 = 8 => 0 pairs (_) F2,F4: 8.. / F2 = 8 => 0 pairs (_) / F4 = 8 => 2 pairs (_) * DURATION: 0:00:06.146065 START: 03:23:15.852220 END: 03:23:21.998285 2020-12-04 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) F2,F4: 8.. / F2 = 8 ==> 0 pairs (_) / F4 = 8 ==> 2 pairs (_) D9,E9: 8.. / D9 = 8 ==> 2 pairs (_) / E9 = 8 ==> 0 pairs (_) F4,F5: 5.. / F4 = 5 ==> 2 pairs (_) / F5 = 5 ==> 0 pairs (_) A7,H7: 4.. / A7 = 4 ==> 0 pairs (*) / H7 = 4 => 0 pairs (X) * DURATION: 0:00:38.856945 START: 03:23:21.998978 END: 03:24:00.855923 2020-12-04 * REASONING A7,H7: 4.. * DIS # A7: 4 # I7: 6,7 => CTR => I7: 1 * DIS # A7: 4 + I7: 1 # B7: 6,7 => CTR => B7: 2,3 * DIS # A7: 4 + I7: 1 + B7: 2,3 # G1: 5,6 => CTR => G1: 1,2,3,4 * PRF # A7: 4 + I7: 1 + B7: 2,3 + G1: 1,2,3,4 # G4: 5,6 => SOL * STA # A7: 4 + I7: 1 + B7: 2,3 + G1: 1,2,3,4 + G4: 5,6 * CNT 4 HDP CHAINS / 25 HYP OPENED * DCP COUNT: (4) * SOLUTION FOUND
Header Info
15796;Kz1 b;GP;23;11.30;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for F2,F4: 8..:
* INC # F4: 8 # D4: 6,9 => UNS * INC # F4: 8 # E6: 6,9 => UNS * INC # F4: 8 # D3: 6,9 => UNS * INC # F4: 8 # D8: 6,9 => UNS * INC # F4: 8 # D9: 6,9 => UNS * INC # F4: 8 # D9: 2,6 => UNS * INC # F4: 8 # E9: 2,6 => UNS * INC # F4: 8 # B7: 2,6 => UNS * INC # F4: 8 # B7: 1,3,7 => UNS * INC # F4: 8 # E1: 2,6 => UNS * INC # F4: 8 # E1: 1 => UNS * INC # F4: 8 => UNS * INC # F2: 8 => UNS * CNT 13 HDP CHAINS / 13 HYP OPENED
Full list of HDP chains traversed for D9,E9: 8..:
* INC # D9: 8 # D3: 1,6 => UNS * INC # D9: 8 # D3: 2,3,9 => UNS * INC # D9: 8 # G1: 1,6 => UNS * INC # D9: 8 # I1: 1,6 => UNS * INC # D9: 8 # D4: 6,9 => UNS * INC # D9: 8 # F4: 6,9 => UNS * INC # D9: 8 # E6: 6,9 => UNS * INC # D9: 8 # D3: 6,9 => UNS * INC # D9: 8 # D8: 6,9 => UNS * INC # D9: 8 => UNS * INC # E9: 8 => UNS * CNT 11 HDP CHAINS / 11 HYP OPENED
Full list of HDP chains traversed for F4,F5: 5..:
* INC # F4: 5 # E5: 7,9 => UNS * INC # F4: 5 # E6: 7,9 => UNS * INC # F4: 5 # B5: 7,9 => UNS * INC # F4: 5 # H5: 7,9 => UNS * INC # F4: 5 # I5: 7,9 => UNS * INC # F4: 5 # F8: 7,9 => UNS * INC # F4: 5 # F8: 3,6 => UNS * INC # F4: 5 # I4: 2,6 => UNS * INC # F4: 5 # I4: 7,9 => UNS * INC # F4: 5 # G1: 2,6 => UNS * INC # F4: 5 # G3: 2,6 => UNS * INC # F4: 5 => UNS * INC # F5: 5 => UNS * CNT 13 HDP CHAINS / 13 HYP OPENED
Full list of HDP chains traversed for A7,H7: 4..:
* DIS # A7: 4 # I7: 6,7 => CTR => I7: 1 * INC # A7: 4 + I7: 1 # H9: 6,7 => UNS * INC # A7: 4 + I7: 1 # H9: 6,7 => UNS * INC # A7: 4 + I7: 1 # H9: 4,5 => UNS * DIS # A7: 4 + I7: 1 # B7: 6,7 => CTR => B7: 2,3 * INC # A7: 4 + I7: 1 + B7: 2,3 # E7: 6,7 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # F7: 6,7 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # H9: 6,7 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # H9: 4,5 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # E7: 6,7 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # F7: 6,7 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # B2: 2,3 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # B3: 2,3 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # B5: 2,3 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # H9: 6,7 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # H9: 4,5 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # E7: 6,7 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # F7: 6,7 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # G9: 5,6 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # H9: 5,6 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # B8: 5,6 => UNS * INC # A7: 4 + I7: 1 + B7: 2,3 # B8: 1,3,7,9 => UNS * DIS # A7: 4 + I7: 1 + B7: 2,3 # G1: 5,6 => CTR => G1: 1,2,3,4 * PRF # A7: 4 + I7: 1 + B7: 2,3 + G1: 1,2,3,4 # G4: 5,6 => SOL * STA # A7: 4 + I7: 1 + B7: 2,3 + G1: 1,2,3,4 + G4: 5,6 * CNT 24 HDP CHAINS / 25 HYP OPENED