Analysis of xx-ph-00022394-KZ1C-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..7.5....9..4.......6...4...3..86...7......21....95...6.....1.5.......3..2 initial

Autosolve

position: 98.7..6..7.5....9..4.......6...4...3..86...7......21.6..95...6.....1.5.......3..2 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 I5,I8: 9..:

* PRF # I5: 9 # E6: 3,5 => SOL
* STA # I5: 9 + E6: 3,5
* 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..7.5....9..4.......6...4...3..86...7......21....95...6.....1.5.......3..2 initial
98.7..6..7.5....9..4.......6...4...3..86...7......21.6..95...6.....1.5.......3..2 autosolve

Classification

level: deep

Pairing Analysis

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* CONSTRAINT PAIRS (AUTO SOLVE)
I7,H9: 1.. / I7 = 1  =>  3 pairs (_) / H9 = 1  =>  0 pairs (_)
E7,D8: 2.. / E7 = 2  =>  1 pairs (_) / D8 = 2  =>  1 pairs (_)
G7,H8: 3.. / G7 = 3  =>  1 pairs (_) / H8 = 3  =>  0 pairs (_)
A9,B9: 5.. / A9 = 5  =>  1 pairs (_) / B9 = 5  =>  0 pairs (_)
B2,C3: 6.. / B2 = 6  =>  0 pairs (_) / C3 = 6  =>  0 pairs (_)
F8,E9: 6.. / F8 = 6  =>  0 pairs (_) / E9 = 6  =>  0 pairs (_)
G3,I3: 7.. / G3 = 7  =>  0 pairs (_) / I3 = 7  =>  0 pairs (_)
F4,E6: 7.. / F4 = 7  =>  2 pairs (_) / E6 = 7  =>  2 pairs (_)
I8,G9: 9.. / I8 = 9  =>  1 pairs (_) / G9 = 9  =>  5 pairs (_)
I5,I8: 9.. / I5 = 9  =>  5 pairs (_) / I8 = 9  =>  1 pairs (_)
* DURATION: 0:00:05.572022  START: 17:29:19.211612  END: 17:29:24.783634 2020-12-07
* CP COUNT: (10)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
I5,I8: 9.. / I5 = 9 ==>  0 pairs (*) / I8 = 9  =>  0 pairs (X)
* DURATION: 0:00:07.698134  START: 17:29:24.784191  END: 17:29:32.482325 2020-12-07
* REASONING I5,I8: 9..
* PRF # I5: 9 # E6: 3,5 => SOL
* STA # I5: 9 + E6: 3,5
* CNT   1 HDP CHAINS /   2 HYP OPENED
* DCP COUNT: (1)
* SOLUTION FOUND

Header Info

22394;KZ1C;GP;23;11.30;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for I5,I8: 9..:

* PRF # I5: 9 # E6: 3,5 => SOL
* STA # I5: 9 + E6: 3,5
* CNT   1 HDP CHAINS /   2 HYP OPENED