Analysis of xx-ph-00762566-12_12_17s-base.sdk
Contents
Original Sudoku
level: deep
position: ........1..2..3.4...456...7......1.2.2...4.8.9.8.......3..1.6...4.7....52....9... initial
Autosolve
position: ........1..2..3.4...456...74.....1.2.2...4.8.9.8.......3..1.6...4.7....52....9... autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000006
List of important HDP chains detected for F3,F6: 1..:
* DIS # F6: 1 # F1: 2,8 => CTR => F1: 7 * PRF # F6: 1 + F1: 7 # G2: 8,9 => SOL * STA # F6: 1 + F1: 7 + G2: 8,9 * CNT 2 HDP CHAINS / 35 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..2..3.4...456...7......1.2.2...4.8.9.8.......3..1.6...4.7....52....9... | initial |
| ........1..2..3.4...456...74.....1.2.2...4.8.9.8.......3..1.6...4.7....52....9... | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) D2,F3: 1.. / D2 = 1 => 1 pairs (_) / F3 = 1 => 3 pairs (_) H8,H9: 1.. / H8 = 1 => 3 pairs (_) / H9 = 1 => 0 pairs (_) F3,F6: 1.. / F3 = 1 => 3 pairs (_) / F6 = 1 => 1 pairs (_) D1,E1: 4.. / D1 = 4 => 5 pairs (_) / E1 = 4 => 0 pairs (_) G6,I6: 4.. / G6 = 4 => 1 pairs (_) / I6 = 4 => 2 pairs (_) D7,I7: 4.. / D7 = 4 => 1 pairs (_) / I7 = 4 => 3 pairs (_) E1,E9: 4.. / E1 = 4 => 0 pairs (_) / E9 = 4 => 5 pairs (_) G6,G9: 4.. / G6 = 4 => 1 pairs (_) / G9 = 4 => 2 pairs (_) F7,E9: 5.. / F7 = 5 => 2 pairs (_) / E9 = 5 => 1 pairs (_) H1,I2: 6.. / H1 = 6 => 1 pairs (_) / I2 = 6 => 2 pairs (_) F8,D9: 6.. / F8 = 6 => 2 pairs (_) / D9 = 6 => 1 pairs (_) C7,C8: 9.. / C7 = 9 => 3 pairs (_) / C8 = 9 => 1 pairs (_) * DURATION: 0:00:07.735058 START: 21:50:12.038044 END: 21:50:19.773102 2020-09-23 * CP COUNT: (12) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) E1,E9: 4.. / E1 = 4 ==> 0 pairs (_) / E9 = 4 ==> 5 pairs (_) D1,E1: 4.. / D1 = 4 ==> 5 pairs (_) / E1 = 4 ==> 0 pairs (_) C7,C8: 9.. / C7 = 9 ==> 3 pairs (_) / C8 = 9 ==> 1 pairs (_) D7,I7: 4.. / D7 = 4 ==> 1 pairs (_) / I7 = 4 ==> 3 pairs (_) F3,F6: 1.. / F3 = 1 ==> 3 pairs (_) / F6 = 1 ==> 0 pairs (*) * DURATION: 0:00:55.871201 START: 21:50:19.773772 END: 21:51:15.644973 2020-09-23 * REASONING F3,F6: 1.. * DIS # F6: 1 # F1: 2,8 => CTR => F1: 7 * PRF # F6: 1 + F1: 7 # G2: 8,9 => SOL * STA # F6: 1 + F1: 7 + G2: 8,9 * CNT 2 HDP CHAINS / 35 HYP OPENED * DCP COUNT: (5) * SOLUTION FOUND
Header Info
762566;12_12_17s;dob;23;11.60;1.20;1.20
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for E1,E9: 4..:
* INC # E9: 4 # H4: 3,6 => UNS * INC # E9: 4 # I5: 3,6 => UNS * INC # E9: 4 # H6: 3,6 => UNS * INC # E9: 4 # D6: 3,6 => UNS * INC # E9: 4 # D6: 1,2 => UNS * INC # E9: 4 # B9: 7,8 => UNS * INC # E9: 4 # B9: 1,5,6 => UNS * INC # E9: 4 # A1: 7,8 => UNS * INC # E9: 4 # A2: 7,8 => UNS * INC # E9: 4 # H7: 7,9 => UNS * INC # E9: 4 # H7: 2 => UNS * INC # E9: 4 # E8: 2,8 => UNS * INC # E9: 4 # F8: 2,8 => UNS * INC # E9: 4 # G8: 3,8 => UNS * INC # E9: 4 # G9: 3,8 => UNS * INC # E9: 4 # D9: 3,8 => UNS * INC # E9: 4 # D9: 6 => UNS * INC # E9: 4 => UNS * INC # E1: 4 => UNS * CNT 19 HDP CHAINS / 19 HYP OPENED
Full list of HDP chains traversed for D1,E1: 4..:
* INC # D1: 4 # H4: 3,6 => UNS * INC # D1: 4 # I5: 3,6 => UNS * INC # D1: 4 # H6: 3,6 => UNS * INC # D1: 4 # D6: 3,6 => UNS * INC # D1: 4 # D6: 1,2 => UNS * INC # D1: 4 # B9: 7,8 => UNS * INC # D1: 4 # B9: 1,5,6 => UNS * INC # D1: 4 # A1: 7,8 => UNS * INC # D1: 4 # A2: 7,8 => UNS * INC # D1: 4 # H7: 7,9 => UNS * INC # D1: 4 # H7: 2 => UNS * INC # D1: 4 # E8: 2,8 => UNS * INC # D1: 4 # F8: 2,8 => UNS * INC # D1: 4 # G8: 3,8 => UNS * INC # D1: 4 # G9: 3,8 => UNS * INC # D1: 4 # D9: 3,8 => UNS * INC # D1: 4 # D9: 6 => UNS * INC # D1: 4 => UNS * INC # E1: 4 => UNS * CNT 19 HDP CHAINS / 19 HYP OPENED
Full list of HDP chains traversed for C7,C8: 9..:
* INC # C7: 9 # A8: 1,6 => UNS * INC # C7: 9 # B9: 1,6 => UNS * INC # C7: 9 # C9: 1,6 => UNS * INC # C7: 9 # C5: 1,6 => UNS * INC # C7: 9 # C5: 3,5,7 => UNS * INC # C7: 9 # G9: 4,8 => UNS * INC # C7: 9 # I9: 4,8 => UNS * INC # C7: 9 # D7: 4,8 => UNS * INC # C7: 9 # D7: 2 => UNS * INC # C7: 9 => UNS * INC # C8: 9 # A7: 5,7 => UNS * INC # C8: 9 # B9: 5,7 => UNS * INC # C8: 9 # C9: 5,7 => UNS * INC # C8: 9 # C1: 5,7 => UNS * INC # C8: 9 # C4: 5,7 => UNS * INC # C8: 9 # C5: 5,7 => UNS * INC # C8: 9 => UNS * CNT 17 HDP CHAINS / 17 HYP OPENED
Full list of HDP chains traversed for D7,I7: 4..:
* INC # I7: 4 # H4: 3,6 => UNS * INC # I7: 4 # I5: 3,6 => UNS * INC # I7: 4 # H6: 3,6 => UNS * INC # I7: 4 # D6: 3,6 => UNS * INC # I7: 4 # D6: 1,2 => UNS * INC # I7: 4 # F7: 2,8 => UNS * INC # I7: 4 # E8: 2,8 => UNS * INC # I7: 4 # F8: 2,8 => UNS * INC # I7: 4 # D1: 2,8 => UNS * INC # I7: 4 # D1: 4,9 => UNS * INC # I7: 4 # G8: 3,8 => UNS * INC # I7: 4 # G9: 3,8 => UNS * INC # I7: 4 # D9: 3,8 => UNS * INC # I7: 4 # E9: 3,8 => UNS * INC # I7: 4 => UNS * INC # D7: 4 # G8: 8,9 => UNS * INC # D7: 4 # G8: 2,3 => UNS * INC # D7: 4 # I2: 8,9 => UNS * INC # D7: 4 # I2: 6 => UNS * INC # D7: 4 => UNS * CNT 20 HDP CHAINS / 20 HYP OPENED
Full list of HDP chains traversed for F3,F6: 1..:
* INC # F3: 1 # A1: 3,8 => UNS * INC # F3: 1 # A1: 5,6,7 => UNS * INC # F3: 1 # G3: 3,8 => UNS * INC # F3: 1 # G3: 2,9 => UNS * INC # F3: 1 # B1: 8,9 => UNS * INC # F3: 1 # B2: 8,9 => UNS * INC # F3: 1 # G3: 8,9 => UNS * INC # F3: 1 # G3: 2,3 => UNS * INC # F3: 1 # D1: 8,9 => UNS * INC # F3: 1 # E1: 8,9 => UNS * INC # F3: 1 # E2: 8,9 => UNS * INC # F3: 1 # B2: 8,9 => UNS * INC # F3: 1 # G2: 8,9 => UNS * INC # F3: 1 # I2: 8,9 => UNS * INC # F3: 1 # D4: 8,9 => UNS * INC # F3: 1 # D4: 3,6 => UNS * INC # F3: 1 => UNS * INC # F6: 1 # D1: 2,8 => UNS * INC # F6: 1 # E1: 2,8 => UNS * DIS # F6: 1 # F1: 2,8 => CTR => F1: 7 * INC # F6: 1 + F1: 7 # G3: 2,8 => UNS * INC # F6: 1 + F1: 7 # G3: 3,9 => UNS * INC # F6: 1 + F1: 7 # F7: 2,8 => UNS * INC # F6: 1 + F1: 7 # F8: 2,8 => UNS * INC # F6: 1 + F1: 7 # D1: 2,8 => UNS * INC # F6: 1 + F1: 7 # E1: 2,8 => UNS * INC # F6: 1 + F1: 7 # G3: 2,8 => UNS * INC # F6: 1 + F1: 7 # G3: 3,9 => UNS * INC # F6: 1 + F1: 7 # F7: 2,8 => UNS * INC # F6: 1 + F1: 7 # F8: 2,8 => UNS * INC # F6: 1 + F1: 7 # D1: 8,9 => UNS * INC # F6: 1 + F1: 7 # E1: 8,9 => UNS * INC # F6: 1 + F1: 7 # B2: 8,9 => UNS * PRF # F6: 1 + F1: 7 # G2: 8,9 => SOL * STA # F6: 1 + F1: 7 + G2: 8,9 * CNT 34 HDP CHAINS / 35 HYP OPENED