Analysis of xx-ph-00000143-121-base.sdk
Contents
Original Sudoku
level: deep
position: 1....6..9....8..3...82..4.....6.4.....5.2.6...7.5......3......1..4..25..9......7. initial
Autosolve
position: 1....6..9....8..3...82..4.....6.4.....5.2.6...7.5......3......1..4..25..9......7. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for G1,H1: 8..:
* DIS # H1: 8 # H7: 6,9 => CTR => H7: 2,4 * CNT 1 HDP CHAINS / 37 HYP OPENED
List of important HDP chains detected for A6,C6: 6..:
* DIS # C6: 6 # A7: 2,7 => CTR => A7: 5,6,8 * DIS # C6: 6 + A7: 5,6,8 # B9: 1,2 => CTR => B9: 5,6,8 * CNT 2 HDP CHAINS / 16 HYP OPENED
List of important HDP chains detected for G2,H3: 1..:
* DIS # H3: 1 # G4: 2,7 => CTR => G4: 1,3,8,9 * PRF # H3: 1 + G4: 1,3,8,9 # A3: 5,6 => SOL * STA # H3: 1 + G4: 1,3,8,9 + A3: 5,6 * CNT 2 HDP CHAINS / 24 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
| 1....6..9....8..3...82..4.....6.4.....5.2.6...7.5......3......1..4..25..9......7. | initial |
| 1....6..9....8..3...82..4.....6.4.....5.2.6...7.5......3......1..4..25..9......7. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G2,H3: 1.. / G2 = 1 => 1 pairs (_) / H3 = 1 => 2 pairs (_) C1,A3: 3.. / C1 = 3 => 1 pairs (_) / A3 = 3 => 3 pairs (_) H7,I9: 4.. / H7 = 4 => 0 pairs (_) / I9 = 4 => 0 pairs (_) H4,I4: 5.. / H4 = 5 => 2 pairs (_) / I4 = 5 => 1 pairs (_) A7,B9: 5.. / A7 = 5 => 0 pairs (_) / B9 = 5 => 2 pairs (_) A6,C6: 6.. / A6 = 6 => 1 pairs (_) / C6 = 6 => 2 pairs (_) G1,H1: 8.. / G1 = 8 => 3 pairs (_) / H1 = 8 => 2 pairs (_) * DURATION: 0:00:04.076393 START: 18:16:09.918966 END: 18:16:13.995359 2020-09-28 * CP COUNT: (7) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) G1,H1: 8.. / G1 = 8 ==> 3 pairs (_) / H1 = 8 ==> 3 pairs (_) C1,A3: 3.. / C1 = 3 ==> 1 pairs (_) / A3 = 3 ==> 3 pairs (_) A6,C6: 6.. / A6 = 6 ==> 1 pairs (_) / C6 = 6 ==> 4 pairs (_) H4,I4: 5.. / H4 = 5 ==> 2 pairs (_) / I4 = 5 ==> 1 pairs (_) G2,H3: 1.. / G2 = 1 => 0 pairs (X) / H3 = 1 ==> 0 pairs (*) * DURATION: 0:00:51.564938 START: 18:16:13.996006 END: 18:17:05.560944 2020-09-28 * REASONING G1,H1: 8.. * DIS # H1: 8 # H7: 6,9 => CTR => H7: 2,4 * CNT 1 HDP CHAINS / 37 HYP OPENED * REASONING A6,C6: 6.. * DIS # C6: 6 # A7: 2,7 => CTR => A7: 5,6,8 * DIS # C6: 6 + A7: 5,6,8 # B9: 1,2 => CTR => B9: 5,6,8 * CNT 2 HDP CHAINS / 16 HYP OPENED * REASONING G2,H3: 1.. * DIS # H3: 1 # G4: 2,7 => CTR => G4: 1,3,8,9 * PRF # H3: 1 + G4: 1,3,8,9 # A3: 5,6 => SOL * STA # H3: 1 + G4: 1,3,8,9 + A3: 5,6 * CNT 2 HDP CHAINS / 24 HYP OPENED * DCP COUNT: (5) * SOLUTION FOUND
Header Info
143;121;elev;22;11.50;11.50;11.10
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for G1,H1: 8..:
* INC # G1: 8 # I2: 2,5 => UNS * INC # G1: 8 # I2: 6,7 => UNS * INC # G1: 8 # B1: 2,5 => UNS * INC # G1: 8 # B1: 4 => UNS * INC # G1: 8 # H4: 2,5 => UNS * INC # G1: 8 # H4: 1,8,9 => UNS * INC # G1: 8 # H7: 2,9 => UNS * INC # G1: 8 # H7: 4,6,8 => UNS * INC # G1: 8 # G4: 2,9 => UNS * INC # G1: 8 # G6: 2,9 => UNS * INC # G1: 8 # I9: 2,3 => UNS * INC # G1: 8 # I9: 4,6,8 => UNS * INC # G1: 8 # G4: 2,3 => UNS * INC # G1: 8 # G6: 2,3 => UNS * INC # G1: 8 => UNS * INC # H1: 8 # G2: 2,7 => UNS * INC # H1: 8 # I2: 2,7 => UNS * INC # H1: 8 # C1: 2,7 => UNS * INC # H1: 8 # C1: 3 => UNS * INC # H1: 8 # G4: 2,7 => UNS * INC # H1: 8 # G4: 1,3,8,9 => UNS * DIS # H1: 8 # H7: 6,9 => CTR => H7: 2,4 * INC # H1: 8 + H7: 2,4 # E8: 6,9 => UNS * INC # H1: 8 + H7: 2,4 # E8: 1,3,7 => UNS * INC # H1: 8 + H7: 2,4 # G2: 2,7 => UNS * INC # H1: 8 + H7: 2,4 # I2: 2,7 => UNS * INC # H1: 8 + H7: 2,4 # C1: 2,7 => UNS * INC # H1: 8 + H7: 2,4 # C1: 3 => UNS * INC # H1: 8 + H7: 2,4 # G4: 2,7 => UNS * INC # H1: 8 + H7: 2,4 # G4: 1,3,8,9 => UNS * INC # H1: 8 + H7: 2,4 # I9: 2,4 => UNS * INC # H1: 8 + H7: 2,4 # I9: 3,6,8 => UNS * INC # H1: 8 + H7: 2,4 # H6: 2,4 => UNS * INC # H1: 8 + H7: 2,4 # H6: 1,9 => UNS * INC # H1: 8 + H7: 2,4 # E8: 6,9 => UNS * INC # H1: 8 + H7: 2,4 # E8: 1,3,7 => UNS * INC # H1: 8 + H7: 2,4 => UNS * CNT 37 HDP CHAINS / 37 HYP OPENED
Full list of HDP chains traversed for C1,A3: 3..:
* INC # A3: 3 # A2: 2,7 => UNS * INC # A3: 3 # C2: 2,7 => UNS * INC # A3: 3 # G1: 2,7 => UNS * INC # A3: 3 # G1: 8 => UNS * INC # A3: 3 # C7: 2,7 => UNS * INC # A3: 3 # C7: 6 => UNS * INC # A3: 3 # B4: 2,8 => UNS * INC # A3: 3 # A6: 2,8 => UNS * INC # A3: 3 # G4: 2,8 => UNS * INC # A3: 3 # H4: 2,8 => UNS * INC # A3: 3 # I4: 2,8 => UNS * INC # A3: 3 # A7: 2,8 => UNS * INC # A3: 3 # A7: 5,6,7 => UNS * INC # A3: 3 # B5: 4,8 => UNS * INC # A3: 3 # A6: 4,8 => UNS * INC # A3: 3 # H5: 4,8 => UNS * INC # A3: 3 # I5: 4,8 => UNS * INC # A3: 3 => UNS * INC # C1: 3 # E1: 4,7 => UNS * INC # C1: 3 # D2: 4,7 => UNS * INC # C1: 3 # D7: 4,7 => UNS * INC # C1: 3 # D7: 8,9 => UNS * INC # C1: 3 => UNS * CNT 23 HDP CHAINS / 23 HYP OPENED
Full list of HDP chains traversed for A6,C6: 6..:
* DIS # C6: 6 # A7: 2,7 => CTR => A7: 5,6,8 * INC # C6: 6 + A7: 5,6,8 # C1: 2,7 => UNS * INC # C6: 6 + A7: 5,6,8 # C2: 2,7 => UNS * DIS # C6: 6 + A7: 5,6,8 # B9: 1,2 => CTR => B9: 5,6,8 * INC # C6: 6 + A7: 5,6,8 + B9: 5,6,8 # A3: 3,7 => UNS * INC # C6: 6 + A7: 5,6,8 + B9: 5,6,8 # A3: 5,6 => UNS * INC # C6: 6 + A7: 5,6,8 + B9: 5,6,8 # D1: 3,7 => UNS * INC # C6: 6 + A7: 5,6,8 + B9: 5,6,8 # E1: 3,7 => UNS * INC # C6: 6 + A7: 5,6,8 + B9: 5,6,8 # D2: 7,9 => UNS * INC # C6: 6 + A7: 5,6,8 + B9: 5,6,8 # F2: 7,9 => UNS * INC # C6: 6 + A7: 5,6,8 + B9: 5,6,8 => UNS * INC # A6: 6 # A7: 7,8 => UNS * INC # A6: 6 # A7: 2,5 => UNS * INC # A6: 6 # D8: 7,8 => UNS * INC # A6: 6 # D8: 1,3,9 => UNS * INC # A6: 6 => UNS * CNT 16 HDP CHAINS / 16 HYP OPENED
Full list of HDP chains traversed for H4,I4: 5..:
* INC # H4: 5 # G1: 2,8 => UNS * INC # H4: 5 # G1: 7 => UNS * INC # H4: 5 # H6: 2,8 => UNS * INC # H4: 5 # H7: 2,8 => UNS * INC # H4: 5 => UNS * INC # I4: 5 # I2: 6,7 => UNS * INC # I4: 5 # I2: 2 => UNS * INC # I4: 5 # A3: 6,7 => UNS * INC # I4: 5 # A3: 3,5 => UNS * INC # I4: 5 => UNS * CNT 10 HDP CHAINS / 10 HYP OPENED
Full list of HDP chains traversed for G2,H3: 1..:
* INC # H3: 1 # G1: 2,7 => UNS * INC # H3: 1 # I2: 2,7 => UNS * INC # H3: 1 # A2: 2,7 => UNS * INC # H3: 1 # C2: 2,7 => UNS * DIS # H3: 1 # G4: 2,7 => CTR => G4: 1,3,8,9 * INC # H3: 1 + G4: 1,3,8,9 # G1: 2,7 => UNS * INC # H3: 1 + G4: 1,3,8,9 # G1: 8 => UNS * INC # H3: 1 + G4: 1,3,8,9 # A2: 2,7 => UNS * INC # H3: 1 + G4: 1,3,8,9 # C2: 2,7 => UNS * INC # H3: 1 + G4: 1,3,8,9 # G9: 3,8 => UNS * INC # H3: 1 + G4: 1,3,8,9 # I9: 3,8 => UNS * INC # H3: 1 + G4: 1,3,8,9 # D8: 3,8 => UNS * INC # H3: 1 + G4: 1,3,8,9 # D8: 1,7,9 => UNS * INC # H3: 1 + G4: 1,3,8,9 # I4: 3,8 => UNS * INC # H3: 1 + G4: 1,3,8,9 # I5: 3,8 => UNS * INC # H3: 1 + G4: 1,3,8,9 # I6: 3,8 => UNS * INC # H3: 1 + G4: 1,3,8,9 # G1: 2,7 => UNS * INC # H3: 1 + G4: 1,3,8,9 # G1: 8 => UNS * INC # H3: 1 + G4: 1,3,8,9 # A2: 2,7 => UNS * INC # H3: 1 + G4: 1,3,8,9 # C2: 2,7 => UNS * INC # H3: 1 + G4: 1,3,8,9 # I2: 5,6 => UNS * INC # H3: 1 + G4: 1,3,8,9 # I2: 2 => UNS * PRF # H3: 1 + G4: 1,3,8,9 # A3: 5,6 => SOL * STA # H3: 1 + G4: 1,3,8,9 + A3: 5,6 * CNT 23 HDP CHAINS / 24 HYP OPENED