Analysis of xx-ph-01517136-14_06-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.76.5..7..8..6....5..9...5....87...7.4...3...2.7....4...8.9.....9.6..1.......5. initial

Autosolve

position: 98.76.5..7..8..6....5..9...5....87...7.4...3...2.7....4...8.9.....9.6..1.......5. autosolve
Autosolve

Pair Reduction Variants

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000008

List of important HDP chains detected for B8,E8: 5..:

* DIS # E8: 5 # E5: 1,2 => CTR => E5: 9
* PRF # E8: 5 + E5: 9 # E4: 3 => SOL
* STA # E8: 5 + E5: 9 + E4: 3
* CNT   2 HDP CHAINS /   5 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

98.76.5..7..8..6....5..9...5....87...7.4...3...2.7....4...8.9.....9.6..1.......5. initial
98.76.5..7..8..6....5..9...5....87...7.4...3...2.7....4...8.9.....9.6..1.......5. autosolve

Classification

level: deep

Pairing Analysis

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* CONSTRAINT PAIRS (AUTO SOLVE)
E2,F2: 5.. / E2 = 5  =>  0 pairs (_) / F2 = 5  =>  2 pairs (_)
I5,I6: 5.. / I5 = 5  =>  1 pairs (_) / I6 = 5  =>  1 pairs (_)
B7,B8: 5.. / B7 = 5  =>  3 pairs (_) / B8 = 5  =>  0 pairs (_)
B8,E8: 5.. / B8 = 5  =>  0 pairs (_) / E8 = 5  =>  3 pairs (_)
D6,D7: 5.. / D6 = 5  =>  2 pairs (_) / D7 = 5  =>  0 pairs (_)
A3,B3: 6.. / A3 = 6  =>  2 pairs (_) / B3 = 6  =>  0 pairs (_)
D4,D6: 6.. / D4 = 6  =>  0 pairs (_) / D6 = 6  =>  0 pairs (_)
H3,I3: 7.. / H3 = 7  =>  1 pairs (_) / I3 = 7  =>  0 pairs (_)
F7,F9: 7.. / F7 = 7  =>  1 pairs (_) / F9 = 7  =>  0 pairs (_)
C8,H8: 7.. / C8 = 7  =>  0 pairs (_) / H8 = 7  =>  2 pairs (_)
H2,I2: 9.. / H2 = 9  =>  0 pairs (_) / I2 = 9  =>  0 pairs (_)
E4,E5: 9.. / E4 = 9  =>  0 pairs (_) / E5 = 9  =>  0 pairs (_)
B9,C9: 9.. / B9 = 9  =>  0 pairs (_) / C9 = 9  =>  0 pairs (_)
* DURATION: 0:00:09.795761  START: 08:32:53.393050  END: 08:33:03.188811 2020-10-24
* CP COUNT: (13)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
B8,E8: 5.. / B8 = 5  =>  0 pairs (X) / E8 = 5 ==>  0 pairs (*)
* DURATION: 0:00:13.474730  START: 08:33:03.189776  END: 08:33:16.664506 2020-10-24
* REASONING B8,E8: 5..
* DIS # E8: 5 # E5: 1,2 => CTR => E5: 9
* PRF # E8: 5 + E5: 9 # E4: 3 => SOL
* STA # E8: 5 + E5: 9 + E4: 3
* CNT   2 HDP CHAINS /   5 HYP OPENED
* DCP COUNT: (1)
* SOLUTION FOUND

Header Info

1517136;14_06;GP;25;11.40;11.40;9.30

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for B8,E8: 5..:

* INC # E8: 5 # E4: 1,2 => UNS
* DIS # E8: 5 # E5: 1,2 => CTR => E5: 9
* INC # E8: 5 + E5: 9 # E4: 1,2 => UNS
* PRF # E8: 5 + E5: 9 # E4: 3 => SOL
* STA # E8: 5 + E5: 9 + E4: 3
* CNT   4 HDP CHAINS /   5 HYP OPENED