Analysis of xx-ph-00247934-12_12_03-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: ........1.....2.34..3.4.5....1.3...5.2.6.....7....8.....9.1..4..8.....5.6..7..9.. initial

Autosolve

position: ........1.....2.34..3.4.5....1.3...5.2.6.....7....8.....9.1..4..8.....5.6..7..9.. autosolve
Autosolve

Pair Reduction Variants

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000006

List of important HDP chains detected for D7,E9: 8..:

* DIS # D7: 8 # A3: 1,9 => CTR => A3: 2,8
* PRF # E9: 8 # I8: 2,3 => SOL
* STA # E9: 8 + I8: 2,3
* CNT   2 HDP CHAINS /  42 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.....2.34..3.4.5....1.3...5.2.6.....7....8.....9.1..4..8.....5.6..7..9.. initial
........1.....2.34..3.4.5....1.3...5.2.6.....7....8.....9.1..4..8.....5.6..7..9.. autosolve

Classification

level: deep

Pairing Analysis

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* CONSTRAINT PAIRS (AUTO SOLVE)
F5,D6: 1.. / F5 = 1  =>  0 pairs (_) / D6 = 1  =>  1 pairs (_)
A8,B9: 1.. / A8 = 1  =>  0 pairs (_) / B9 = 1  =>  1 pairs (_)
G8,H9: 1.. / G8 = 1  =>  1 pairs (_) / H9 = 1  =>  0 pairs (_)
A8,G8: 1.. / A8 = 1  =>  0 pairs (_) / G8 = 1  =>  1 pairs (_)
B9,H9: 1.. / B9 = 1  =>  1 pairs (_) / H9 = 1  =>  0 pairs (_)
F3,F5: 1.. / F3 = 1  =>  1 pairs (_) / F5 = 1  =>  0 pairs (_)
D1,F1: 3.. / D1 = 3  =>  0 pairs (_) / F1 = 3  =>  2 pairs (_)
A5,B6: 3.. / A5 = 3  =>  1 pairs (_) / B6 = 3  =>  1 pairs (_)
B7,C8: 7.. / B7 = 7  =>  1 pairs (_) / C8 = 7  =>  1 pairs (_)
D7,E9: 8.. / D7 = 8  =>  2 pairs (_) / E9 = 8  =>  2 pairs (_)
* DURATION: 0:00:05.681001  START: 08:24:27.490939  END: 08:24:33.171940 2020-10-01
* CP COUNT: (10)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
D7,E9: 8.. / D7 = 8 ==>  3 pairs (_) / E9 = 8 ==>  0 pairs (*)
* DURATION: 0:00:22.896025  START: 08:24:33.172513  END: 08:24:56.068538 2020-10-01
* REASONING D7,E9: 8..
* DIS # D7: 8 # A3: 1,9 => CTR => A3: 2,8
* PRF # E9: 8 # I8: 2,3 => SOL
* STA # E9: 8 + I8: 2,3
* CNT   2 HDP CHAINS /  42 HYP OPENED
* DCP COUNT: (1)
* SOLUTION FOUND

Header Info

247934;12_12_03;dob;22;11.50;11.50;11.10

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for D7,E9: 8..:

* INC # D7: 8 # D2: 1,9 => UNS
* INC # D7: 8 # F3: 1,9 => UNS
* DIS # D7: 8 # A3: 1,9 => CTR => A3: 2,8
* INC # D7: 8 + A3: 2,8 # B3: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # B3: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # B3: 6,7 => UNS
* INC # D7: 8 + A3: 2,8 # D6: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # D6: 2,4,5 => UNS
* INC # D7: 8 + A3: 2,8 # D2: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # F3: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # B3: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # B3: 6,7 => UNS
* INC # D7: 8 + A3: 2,8 # D6: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # D6: 2,4,5 => UNS
* INC # D7: 8 + A3: 2,8 # C9: 2,5 => UNS
* INC # D7: 8 + A3: 2,8 # C9: 4 => UNS
* INC # D7: 8 + A3: 2,8 # E6: 2,5 => UNS
* INC # D7: 8 + A3: 2,8 # E6: 9 => UNS
* INC # D7: 8 + A3: 2,8 # A1: 2,8 => UNS
* INC # D7: 8 + A3: 2,8 # C1: 2,8 => UNS
* INC # D7: 8 + A3: 2,8 # H3: 2,8 => UNS
* INC # D7: 8 + A3: 2,8 # I3: 2,8 => UNS
* INC # D7: 8 + A3: 2,8 # D2: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # F3: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # B3: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # B3: 6,7 => UNS
* INC # D7: 8 + A3: 2,8 # D6: 1,9 => UNS
* INC # D7: 8 + A3: 2,8 # D6: 2,4,5 => UNS
* INC # D7: 8 + A3: 2,8 # C9: 2,5 => UNS
* INC # D7: 8 + A3: 2,8 # C9: 4 => UNS
* INC # D7: 8 + A3: 2,8 # E6: 2,5 => UNS
* INC # D7: 8 + A3: 2,8 # E6: 9 => UNS
* INC # D7: 8 + A3: 2,8 => UNS
* INC # E9: 8 # G8: 1,2 => UNS
* INC # E9: 8 # G8: 3,6,7 => UNS
* INC # E9: 8 # H6: 1,2 => UNS
* INC # E9: 8 # H6: 6,9 => UNS
* INC # E9: 8 # G7: 2,3 => UNS
* INC # E9: 8 # I7: 2,3 => UNS
* INC # E9: 8 # G8: 2,3 => UNS
* PRF # E9: 8 # I8: 2,3 => SOL
* STA # E9: 8 + I8: 2,3
* CNT  41 HDP CHAINS /  42 HYP OPENED