Analysis of xx-ph-00001084-L77-base.sdk
Contents
Original Sudoku
level: deep
position: ..3....8..5...91..7..2.........6.9..6..3...7......4..53..8.......7....2..9..1...4 initial
Autosolve
position: ..3....8..5...91..7..2.........6.9..6..3...7......4..53..8.......7....2..9..1...4 autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000014
List of important HDP chains detected for A1,A6: 9..:
* DIS # A6: 9 # F3: 3,8 => CTR => F3: 1,6 * DIS # A6: 9 + F3: 1,6 # H3: 3,6 => CTR => H3: 4,5 * DIS # A6: 9 + F3: 1,6 + H3: 4,5 # F4: 1,7 => CTR => F4: 2,5,8 * DIS # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 # D1: 1,7 => CTR => D1: 4,5,6 * PRF # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 + D1: 4,5,6 # D4: 5 => SOL * STA # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 + D1: 4,5,6 + D4: 5 * CNT 5 HDP CHAINS / 23 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
| ..3....8..5...91..7..2.........6.9..6..3...7......4..53..8.......7....2..9..1...4 | initial |
| ..3....8..5...91..7..2.........6.9..6..3...7......4..53..8.......7....2..9..1...4 | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * PAIRS (2) B4: 3,7 B6: 3,7 -------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) B4,B6: 3.. / B4 = 3 => 4 pairs (_) / B6 = 3 => 2 pairs (_) H4,G5: 4.. / H4 = 4 => 4 pairs (_) / G5 = 4 => 3 pairs (_) G6,H6: 6.. / G6 = 6 => 4 pairs (_) / H6 = 6 => 4 pairs (_) B4,B6: 7.. / B4 = 7 => 2 pairs (_) / B6 = 7 => 4 pairs (_) A1,C3: 9.. / A1 = 9 => 2 pairs (_) / C3 = 9 => 9 pairs (_) A1,I1: 9.. / A1 = 9 => 2 pairs (_) / I1 = 9 => 9 pairs (_) C5,E5: 9.. / C5 = 9 => 3 pairs (_) / E5 = 9 => 4 pairs (_) A1,A6: 9.. / A1 = 9 => 2 pairs (_) / A6 = 9 => 9 pairs (_) D6,D8: 9.. / D6 = 9 => 3 pairs (_) / D8 = 9 => 4 pairs (_) H3,H7: 9.. / H3 = 9 => 4 pairs (_) / H7 = 9 => 3 pairs (_) * DURATION: 0:00:09.135614 START: 23:33:41.055377 END: 23:33:50.190991 2020-11-24 * CP COUNT: (10) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) A1,A6: 9.. / A1 = 9 => 0 pairs (X) / A6 = 9 ==> 0 pairs (*) * DURATION: 0:00:28.113838 START: 23:33:50.979016 END: 23:34:19.092854 2020-11-24 * REASONING A1,A6: 9.. * DIS # A6: 9 # F3: 3,8 => CTR => F3: 1,6 * DIS # A6: 9 + F3: 1,6 # H3: 3,6 => CTR => H3: 4,5 * DIS # A6: 9 + F3: 1,6 + H3: 4,5 # F4: 1,7 => CTR => F4: 2,5,8 * DIS # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 # D1: 1,7 => CTR => D1: 4,5,6 * PRF # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 + D1: 4,5,6 # D4: 5 => SOL * STA # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 + D1: 4,5,6 + D4: 5 * CNT 5 HDP CHAINS / 23 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
1084;L77;elev;21;11.30;11.30;3.40
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for A1,A6: 9..:
* INC # A6: 9 # D1: 5,7 => UNS * INC # A6: 9 # F1: 5,7 => UNS * INC # A6: 9 # E7: 5,7 => UNS * INC # A6: 9 # E7: 2,4 => UNS * INC # A6: 9 # E2: 3,8 => UNS * DIS # A6: 9 # F3: 3,8 => CTR => F3: 1,6 * INC # A6: 9 + F3: 1,6 # H2: 3,6 => UNS * INC # A6: 9 + F3: 1,6 # G3: 3,6 => UNS * DIS # A6: 9 + F3: 1,6 # H3: 3,6 => CTR => H3: 4,5 * INC # A6: 9 + F3: 1,6 + H3: 4,5 # I8: 3,6 => UNS * INC # A6: 9 + F3: 1,6 + H3: 4,5 # I8: 1,8 => UNS * INC # A6: 9 + F3: 1,6 + H3: 4,5 # H2: 3,6 => UNS * INC # A6: 9 + F3: 1,6 + H3: 4,5 # G3: 3,6 => UNS * INC # A6: 9 + F3: 1,6 + H3: 4,5 # I8: 3,6 => UNS * INC # A6: 9 + F3: 1,6 + H3: 4,5 # I8: 1,8 => UNS * INC # A6: 9 + F3: 1,6 + H3: 4,5 # D4: 1,7 => UNS * DIS # A6: 9 + F3: 1,6 + H3: 4,5 # F4: 1,7 => CTR => F4: 2,5,8 * INC # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 # D4: 1,7 => UNS * INC # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 # D4: 5 => UNS * DIS # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 # D1: 1,7 => CTR => D1: 4,5,6 * INC # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 + D1: 4,5,6 # D4: 1,7 => UNS * PRF # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 + D1: 4,5,6 # D4: 5 => SOL * STA # A6: 9 + F3: 1,6 + H3: 4,5 + F4: 2,5,8 + D1: 4,5,6 + D4: 5 * CNT 22 HDP CHAINS / 23 HYP OPENED