Analysis of xx-ph-00974208-13_03-base.sdk
Contents
Original Sudoku
level: deep
position: 98.7..6..5...9..4..4...3...2.....5.1.5..2..8...9...2....5.8..2....1....7.....63.. initial
Autosolve
position: 98.7..6..5...9..4..4...3...2.....5.1.5..2..8...9...2....5.8..2....1....7.....63.. autosolve
Pair Reduction Variants
Deep Constraint Pair Analysis
Time used: 0:00:00.000007
List of important HDP chains detected for I7,H8: 6..:
* DIS # H8: 6 # A6: 3,7 => CTR => A6: 1,4,6,8 * DIS # H8: 6 + A6: 1,4,6,8 # G7: 4,9 => CTR => G7: 1 * PRF # H8: 6 + A6: 1,4,6,8 + G7: 1 # D7: 4,9 => SOL * STA # H8: 6 + A6: 1,4,6,8 + G7: 1 + D7: 4,9 * CNT 3 HDP CHAINS / 20 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..5...9..4..4...3...2.....5.1.5..2..8...9...2....5.8..2....1....7.....63.. | initial |
| 98.7..6..5...9..4..4...3...2.....5.1.5..2..8...9...2....5.8..2....1....7.....63.. | autosolve |
Classification
level: deep
Pairing Analysis
-------------------------------------------------- * CONSTRAINT PAIRS (AUTO SOLVE) G7,H9: 1.. / G7 = 1 => 2 pairs (_) / H9 = 1 => 2 pairs (_) F8,D9: 2.. / F8 = 2 => 1 pairs (_) / D9 = 2 => 1 pairs (_) D7,E8: 3.. / D7 = 3 => 1 pairs (_) / E8 = 3 => 1 pairs (_) E1,F1: 4.. / E1 = 4 => 2 pairs (_) / F1 = 4 => 2 pairs (_) I7,H8: 6.. / I7 = 6 => 2 pairs (_) / H8 = 6 => 3 pairs (_) F7,E9: 7.. / F7 = 7 => 1 pairs (_) / E9 = 7 => 1 pairs (_) C4,A6: 8.. / C4 = 8 => 0 pairs (_) / A6 = 8 => 0 pairs (_) G8,I9: 8.. / G8 = 8 => 1 pairs (_) / I9 = 8 => 3 pairs (_) * DURATION: 0:00:04.426080 START: 07:43:51.500547 END: 07:43:55.926627 2021-01-04 * CP COUNT: (8) * INCONCLUSIVE -------------------------------------------------- * DEEP CONSTRAINT PAIRS (PAIR REDUCTION) I7,H8: 6.. / I7 = 6 => 0 pairs (X) / H8 = 6 ==> 0 pairs (*) * DURATION: 0:00:13.639079 START: 07:43:55.927112 END: 07:44:09.566191 2021-01-04 * REASONING I7,H8: 6.. * DIS # H8: 6 # A6: 3,7 => CTR => A6: 1,4,6,8 * DIS # H8: 6 + A6: 1,4,6,8 # G7: 4,9 => CTR => G7: 1 * PRF # H8: 6 + A6: 1,4,6,8 + G7: 1 # D7: 4,9 => SOL * STA # H8: 6 + A6: 1,4,6,8 + G7: 1 + D7: 4,9 * CNT 3 HDP CHAINS / 20 HYP OPENED * DCP COUNT: (1) * SOLUTION FOUND
Header Info
974208;13_03;GP;24;11.30;11.30;10.70
Appendix: Full HDP Chains
A1. Deep Constraint Pair Analysis
Full list of HDP chains traversed for I7,H8: 6..:
* INC # H8: 6 # H4: 3,7 => UNS * INC # H8: 6 # H4: 9 => UNS * DIS # H8: 6 # A6: 3,7 => CTR => A6: 1,4,6,8 * INC # H8: 6 + A6: 1,4,6,8 # B6: 3,7 => UNS * INC # H8: 6 + A6: 1,4,6,8 # E6: 3,7 => UNS * INC # H8: 6 + A6: 1,4,6,8 # H4: 3,7 => UNS * INC # H8: 6 + A6: 1,4,6,8 # H4: 9 => UNS * INC # H8: 6 + A6: 1,4,6,8 # B6: 3,7 => UNS * INC # H8: 6 + A6: 1,4,6,8 # E6: 3,7 => UNS * INC # H8: 6 + A6: 1,4,6,8 # F7: 4,7 => UNS * INC # H8: 6 + A6: 1,4,6,8 # F7: 9 => UNS * INC # H8: 6 + A6: 1,4,6,8 # A9: 4,7 => UNS * INC # H8: 6 + A6: 1,4,6,8 # C9: 4,7 => UNS * INC # H8: 6 + A6: 1,4,6,8 # E4: 4,7 => UNS * INC # H8: 6 + A6: 1,4,6,8 # E6: 4,7 => UNS * DIS # H8: 6 + A6: 1,4,6,8 # G7: 4,9 => CTR => G7: 1 * INC # H8: 6 + A6: 1,4,6,8 + G7: 1 # G8: 4,9 => UNS * INC # H8: 6 + A6: 1,4,6,8 + G7: 1 # I9: 4,9 => UNS * PRF # H8: 6 + A6: 1,4,6,8 + G7: 1 # D7: 4,9 => SOL * STA # H8: 6 + A6: 1,4,6,8 + G7: 1 + D7: 4,9 * CNT 19 HDP CHAINS / 20 HYP OPENED