Analysis of xx-ph-00014288-kz1a-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7.....6.....7....7.5.....6..4..3...86..5.......2..1.1..3...2..98..1.......1.4. initial

Autosolve

position: 98.7.....6.....7....7.5.....6..4..3...86..5.......2..1.1..3...2..98..1.......1.4. autosolve
Autosolve

Pair Reduction Variants

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000007

List of important HDP chains detected for E2,E6: 8..:

* PRF # E2: 8 # E5: 7,9 => SOL
* STA # E2: 8 + E5: 7,9
* CNT   1 HDP CHAINS /   2 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.....7....7.5.....6..4..3...86..5.......2..1.1..3...2..98..1.......1.4. initial
98.7.....6.....7....7.5.....6..4..3...86..5.......2..1.1..3...2..98..1.......1.4. autosolve

Classification

level: deep

Pairing Analysis

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* CONSTRAINT PAIRS (AUTO SOLVE)
D4,E5: 1.. / D4 = 1  =>  2 pairs (_) / E5 = 1  =>  2 pairs (_)
A5,E5: 1.. / A5 = 1  =>  2 pairs (_) / E5 = 1  =>  2 pairs (_)
G4,H5: 2.. / G4 = 2  =>  2 pairs (_) / H5 = 2  =>  1 pairs (_)
F5,D6: 3.. / F5 = 3  =>  2 pairs (_) / D6 = 3  =>  3 pairs (_)
I5,G6: 4.. / I5 = 4  =>  0 pairs (_) / G6 = 4  =>  3 pairs (_)
G6,H6: 6.. / G6 = 6  =>  1 pairs (_) / H6 = 6  =>  1 pairs (_)
C7,C9: 6.. / C7 = 6  =>  1 pairs (_) / C9 = 6  =>  1 pairs (_)
F4,E6: 8.. / F4 = 8  =>  7 pairs (_) / E6 = 8  =>  0 pairs (_)
A7,A9: 8.. / A7 = 8  =>  1 pairs (_) / A9 = 8  =>  0 pairs (_)
E2,E6: 8.. / E2 = 8  =>  7 pairs (_) / E6 = 8  =>  0 pairs (_)
B5,B6: 9.. / B5 = 9  =>  4 pairs (_) / B6 = 9  =>  2 pairs (_)
* DURATION: 0:00:07.811177  START: 23:18:46.833297  END: 23:18:54.644474 2020-12-02
* CP COUNT: (11)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
E2,E6: 8.. / E2 = 8 ==>  0 pairs (*) / E6 = 8  =>  0 pairs (X)
* DURATION: 0:00:10.559279  START: 23:18:54.645570  END: 23:19:05.204849 2020-12-02
* REASONING E2,E6: 8..
* PRF # E2: 8 # E5: 7,9 => SOL
* STA # E2: 8 + E5: 7,9
* CNT   1 HDP CHAINS /   2 HYP OPENED
* DCP COUNT: (1)
* SOLUTION FOUND

Header Info

14288;kz1a;GP;23;11.30;11.30;10.80

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for E2,E6: 8..:

* PRF # E2: 8 # E5: 7,9 => SOL
* STA # E2: 8 + E5: 7,9
* CNT   1 HDP CHAINS /   2 HYP OPENED