Analysis of xx-ph-00016567-Kz1_b-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7.....76..5......4..87..8....64.....3...2.........1.9...46.....1...43....2..5. initial

Autosolve

position: 98.7.....76..5......4..87..8....64.....3...2.........1.9...46.....1...43....2..5. autosolve
Autosolve

Pair Reduction Variants

Pair Reduction Analysis

Pair Reduction Analysis

See Appendix: Full HDP Chains for full list of HDP chains.

Pair Reduction

Pair Reduction

See Appendix: Full HDP Chains for full list of HDP chains.

Deep Pair Reduction

Deep Pair Reduction

Time used: 0:00:16.433372

See Appendix: Full HDP Chains for full list of HDP chains.

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000016

List of important HDP chains detected for D7,F8: 5..:

* DIS # F8: 5 # C7: 3,7 => CTR => C7: 1,2,5
* CNT   1 HDP CHAINS /  43 HYP OPENED

List of important HDP chains detected for I7,G8: 2..:

* DIS # G8: 2 # E7: 8 => CTR => E7: 3,7
* CNT   1 HDP CHAINS /  61 HYP OPENED

List of important HDP chains detected for H7,G9: 1..:

* DIS # H7: 1 # G2: 8,9 => CTR => G2: 1,2,3
* PRF # H7: 1 + G2: 1,2,3 # G6: 8,9 => SOL
* STA # H7: 1 + G2: 1,2,3 + G6: 8,9
* CNT   2 HDP CHAINS /  25 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.....76..5......4..87..8....64.....3...2.........1.9...46.....1...43....2..5. initial
98.7.....76..5......4..87..8....64.....3...2.........1.9...46.....1...43....2..5. autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* PAIRS (1)
D7: 5,8

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
H7,G9: 1.. / H7 = 1  =>  4 pairs (_) / G9 = 1  =>  2 pairs (_)
I7,G8: 2.. / I7 = 2  =>  2 pairs (_) / G8 = 2  =>  6 pairs (_)
E7,F9: 3.. / E7 = 3  =>  2 pairs (_) / F9 = 3  =>  3 pairs (_)
E1,D2: 4.. / E1 = 4  =>  3 pairs (_) / D2 = 4  =>  1 pairs (_)
I1,I2: 4.. / I1 = 4  =>  1 pairs (_) / I2 = 4  =>  3 pairs (_)
A9,B9: 4.. / A9 = 4  =>  1 pairs (_) / B9 = 4  =>  1 pairs (_)
E1,I1: 4.. / E1 = 4  =>  3 pairs (_) / I1 = 4  =>  1 pairs (_)
D2,I2: 4.. / D2 = 4  =>  1 pairs (_) / I2 = 4  =>  3 pairs (_)
D2,D6: 4.. / D2 = 4  =>  1 pairs (_) / D6 = 4  =>  3 pairs (_)
D7,F8: 5.. / D7 = 5  =>  2 pairs (_) / F8 = 5  =>  6 pairs (_)
I5,H6: 6.. / I5 = 6  =>  1 pairs (_) / H6 = 6  =>  4 pairs (_)
E8,D9: 6.. / E8 = 6  =>  3 pairs (_) / D9 = 6  =>  2 pairs (_)
D3,D9: 6.. / D3 = 6  =>  3 pairs (_) / D9 = 6  =>  2 pairs (_)
* DURATION: 0:00:09.376355  START: 12:08:12.245698  END: 12:08:21.622053 2020-10-19
* CP COUNT: (13)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
D7,F8: 5.. / D7 = 5 ==>  2 pairs (_) / F8 = 5 ==>  6 pairs (_)
I7,G8: 2.. / I7 = 2 ==>  2 pairs (_) / G8 = 2 ==>  8 pairs (_)
H7,G9: 1.. / H7 = 1 ==>  0 pairs (*) / G9 = 1  =>  0 pairs (X)
* DURATION: 0:01:11.353184  START: 12:08:41.668109  END: 12:09:53.021293 2020-10-19
* REASONING D7,F8: 5..
* DIS # F8: 5 # C7: 3,7 => CTR => C7: 1,2,5
* CNT   1 HDP CHAINS /  43 HYP OPENED
* REASONING I7,G8: 2..
* DIS # G8: 2 # E7: 8 => CTR => E7: 3,7
* CNT   1 HDP CHAINS /  61 HYP OPENED
* REASONING H7,G9: 1..
* DIS # H7: 1 # G2: 8,9 => CTR => G2: 1,2,3
* PRF # H7: 1 + G2: 1,2,3 # G6: 8,9 => SOL
* STA # H7: 1 + G2: 1,2,3 + G6: 8,9
* CNT   2 HDP CHAINS /  25 HYP OPENED
* DCP COUNT: (3)
* SOLUTION FOUND

Header Info

16567;Kz1 b;GP;23;11.40;11.40;11.30

Appendix: Full HDP Chains

A1. Pair Reduction Analysis

Full list of HDP chains traversed:

* INC # C7: 5,8 => UNS
* INC # C7: 1,2,3,7 => UNS
* INC # D6: 5,8 => UNS
* INC # D6: 2,4,9 => UNS
* CNT   4 HDP CHAINS /   4 HYP OPENED

A2. Pair Reduction

Full list of HDP chains traversed:

* INC # C7: 5,8 => UNS
* INC # C7: 1,2,3,7 => UNS
* INC # D6: 5,8 => UNS
* INC # D6: 2,4,9 => UNS
* CNT   4 HDP CHAINS /   4 HYP OPENED

A3. Deep Pair Reduction

Full list of HDP chains traversed:

* INC # C7: 5,8 => UNS
* INC # C7: 1,2,3,7 => UNS
* INC # D6: 5,8 => UNS
* INC # D6: 2,4,9 => UNS
* INC # C7: 5,8 # C8: 5,8 => UNS
* INC # C7: 5,8 # C8: 2,6,7 => UNS
* INC # C7: 5,8 # D6: 5,8 => UNS
* INC # C7: 5,8 # D6: 2,4,9 => UNS
* INC # C7: 5,8 # F9: 3,7 => UNS
* INC # C7: 5,8 # F9: 9 => UNS
* INC # C7: 5,8 => UNS
* INC # C7: 1,2,3,7 # D6: 5,8 => UNS
* INC # C7: 1,2,3,7 # D6: 2,4,9 => UNS
* INC # C7: 1,2,3,7 => UNS
* INC # D6: 5,8 # F6: 2,9 => UNS
* INC # D6: 5,8 # F6: 5,7 => UNS
* INC # D6: 5,8 # C4: 2,9 => UNS
* INC # D6: 5,8 # C4: 1,3,5,7 => UNS
* INC # D6: 5,8 # D3: 2,9 => UNS
* INC # D6: 5,8 # D3: 6 => UNS
* INC # D6: 5,8 # G6: 5,8 => UNS
* INC # D6: 5,8 # G6: 3,9 => UNS
* INC # D6: 5,8 # C7: 5,8 => UNS
* INC # D6: 5,8 # C7: 1,2,3,7 => UNS
* INC # D6: 5,8 # E8: 6,9 => UNS
* INC # D6: 5,8 # E8: 7,8 => UNS
* INC # D6: 5,8 # D3: 6,9 => UNS
* INC # D6: 5,8 # D3: 2 => UNS
* INC # D6: 5,8 => UNS
* INC # D6: 2,4,9 # C7: 5,8 => UNS
* INC # D6: 2,4,9 # C7: 1,2,3,7 => UNS
* INC # D6: 2,4,9 # F9: 3,7 => UNS
* INC # D6: 2,4,9 # F9: 9 => UNS
* INC # D6: 2,4,9 # C7: 3,7 => UNS
* INC # D6: 2,4,9 # C7: 1,2,5,8 => UNS
* INC # D6: 2,4,9 => UNS
* CNT  36 HDP CHAINS /  36 HYP OPENED

A4. Deep Constraint Pair Analysis

Full list of HDP chains traversed for D7,F8: 5..:

* INC # F8: 5 # C8: 2,6 => UNS
* INC # F8: 5 # C8: 7,8 => UNS
* INC # F8: 5 # A6: 2,6 => UNS
* INC # F8: 5 # A6: 3,4,5 => UNS
* INC # F8: 5 # C7: 2,7 => UNS
* INC # F8: 5 # C8: 2,7 => UNS
* INC # F8: 5 # B4: 2,7 => UNS
* INC # F8: 5 # B6: 2,7 => UNS
* INC # F8: 5 # F9: 3,7 => UNS
* INC # F8: 5 # F9: 9 => UNS
* DIS # F8: 5 # C7: 3,7 => CTR => C7: 1,2,5
* INC # F8: 5 + C7: 1,2,5 # F9: 3,7 => UNS
* INC # F8: 5 + C7: 1,2,5 # F9: 9 => UNS
* INC # F8: 5 + C7: 1,2,5 # E8: 6,9 => UNS
* INC # F8: 5 + C7: 1,2,5 # E8: 7 => UNS
* INC # F8: 5 + C7: 1,2,5 # D3: 6,9 => UNS
* INC # F8: 5 + C7: 1,2,5 # D3: 2 => UNS
* INC # F8: 5 + C7: 1,2,5 # C8: 2,6 => UNS
* INC # F8: 5 + C7: 1,2,5 # C8: 7,8 => UNS
* INC # F8: 5 + C7: 1,2,5 # A6: 2,6 => UNS
* INC # F8: 5 + C7: 1,2,5 # A6: 3,4,5 => UNS
* INC # F8: 5 + C7: 1,2,5 # C8: 2,7 => UNS
* INC # F8: 5 + C7: 1,2,5 # C8: 6,8 => UNS
* INC # F8: 5 + C7: 1,2,5 # B4: 2,7 => UNS
* INC # F8: 5 + C7: 1,2,5 # B6: 2,7 => UNS
* INC # F8: 5 + C7: 1,2,5 # F9: 3,7 => UNS
* INC # F8: 5 + C7: 1,2,5 # F9: 9 => UNS
* INC # F8: 5 + C7: 1,2,5 # E8: 6,9 => UNS
* INC # F8: 5 + C7: 1,2,5 # E8: 7 => UNS
* INC # F8: 5 + C7: 1,2,5 # D3: 6,9 => UNS
* INC # F8: 5 + C7: 1,2,5 # D3: 2 => UNS
* INC # F8: 5 + C7: 1,2,5 => UNS
* INC # D7: 5 # D6: 2,9 => UNS
* INC # D7: 5 # F6: 2,9 => UNS
* INC # D7: 5 # C4: 2,9 => UNS
* INC # D7: 5 # C4: 1,3,5,7 => UNS
* INC # D7: 5 # D2: 2,9 => UNS
* INC # D7: 5 # D3: 2,9 => UNS
* INC # D7: 5 # E8: 7,9 => UNS
* INC # D7: 5 # F9: 7,9 => UNS
* INC # D7: 5 # F5: 7,9 => UNS
* INC # D7: 5 # F6: 7,9 => UNS
* INC # D7: 5 => UNS
* CNT  43 HDP CHAINS /  43 HYP OPENED

Full list of HDP chains traversed for I7,G8: 2..:

* INC # G8: 2 # C8: 5,6 => UNS
* INC # G8: 2 # C8: 7,8 => UNS
* INC # G8: 2 # A5: 5,6 => UNS
* INC # G8: 2 # A6: 5,6 => UNS
* INC # G8: 2 # C7: 5,7 => UNS
* INC # G8: 2 # C8: 5,7 => UNS
* INC # G8: 2 # F8: 5,7 => UNS
* INC # G8: 2 # F8: 9 => UNS
* INC # G8: 2 # B4: 5,7 => UNS
* INC # G8: 2 # B5: 5,7 => UNS
* INC # G8: 2 # B6: 5,7 => UNS
* INC # G8: 2 # C7: 5,8 => UNS
* INC # G8: 2 # C7: 1,2,3,7 => UNS
* INC # G8: 2 # D6: 5,8 => UNS
* INC # G8: 2 # D6: 2,4,9 => UNS
* INC # G8: 2 # E8: 6,8 => UNS
* INC # G8: 2 # E8: 7,9 => UNS
* INC # G8: 2 # C9: 6,8 => UNS
* INC # G8: 2 # C9: 1,3,7 => UNS
* INC # G8: 2 # E7: 3,7 => UNS
* DIS # G8: 2 # E7: 8 => CTR => E7: 3,7
* INC # G8: 2 + E7: 3,7 # H7: 7,8 => UNS
* INC # G8: 2 + E7: 3,7 # I9: 7,8 => UNS
* INC # G8: 2 + E7: 3,7 # I5: 7,8 => UNS
* INC # G8: 2 + E7: 3,7 # I5: 5,6,9 => UNS
* INC # G8: 2 + E7: 3,7 # C8: 5,6 => UNS
* INC # G8: 2 + E7: 3,7 # C8: 7,8 => UNS
* INC # G8: 2 + E7: 3,7 # A5: 5,6 => UNS
* INC # G8: 2 + E7: 3,7 # A6: 5,6 => UNS
* INC # G8: 2 + E7: 3,7 # C8: 5,7 => UNS
* INC # G8: 2 + E7: 3,7 # C8: 6,8 => UNS
* INC # G8: 2 + E7: 3,7 # B4: 5,7 => UNS
* INC # G8: 2 + E7: 3,7 # B5: 5,7 => UNS
* INC # G8: 2 + E7: 3,7 # B6: 5,7 => UNS
* INC # G8: 2 + E7: 3,7 # C7: 5,8 => UNS
* INC # G8: 2 + E7: 3,7 # C7: 1,2,3 => UNS
* INC # G8: 2 + E7: 3,7 # D6: 5,8 => UNS
* INC # G8: 2 + E7: 3,7 # D6: 2,4,9 => UNS
* INC # G8: 2 + E7: 3,7 # F5: 5,9 => UNS
* INC # G8: 2 + E7: 3,7 # F6: 5,9 => UNS
* INC # G8: 2 + E7: 3,7 # E8: 6,8 => UNS
* INC # G8: 2 + E7: 3,7 # E8: 9 => UNS
* INC # G8: 2 + E7: 3,7 # C9: 6,8 => UNS
* INC # G8: 2 + E7: 3,7 # C9: 1,3 => UNS
* INC # G8: 2 + E7: 3,7 # H7: 7,8 => UNS
* INC # G8: 2 + E7: 3,7 # I9: 7,8 => UNS
* INC # G8: 2 + E7: 3,7 # I5: 7,8 => UNS
* INC # G8: 2 + E7: 3,7 # I5: 5,6,9 => UNS
* INC # G8: 2 + E7: 3,7 => UNS
* INC # I7: 2 # C7: 5,8 => UNS
* INC # I7: 2 # C7: 1,3,7 => UNS
* INC # I7: 2 # D6: 5,8 => UNS
* INC # I7: 2 # D6: 2,4,9 => UNS
* INC # I7: 2 # G9: 8,9 => UNS
* INC # I7: 2 # I9: 8,9 => UNS
* INC # I7: 2 # E8: 8,9 => UNS
* INC # I7: 2 # E8: 6,7 => UNS
* INC # I7: 2 # G2: 8,9 => UNS
* INC # I7: 2 # G5: 8,9 => UNS
* INC # I7: 2 # G6: 8,9 => UNS
* INC # I7: 2 => UNS
* CNT  61 HDP CHAINS /  61 HYP OPENED

Full list of HDP chains traversed for H7,G9: 1..:

* INC # H7: 1 # H3: 3,6 => UNS
* INC # H7: 1 # H3: 9 => UNS
* INC # H7: 1 # E1: 3,6 => UNS
* INC # H7: 1 # E1: 1,4 => UNS
* INC # H7: 1 # H6: 3,6 => UNS
* INC # H7: 1 # H6: 7,8,9 => UNS
* INC # H7: 1 # G5: 5,9 => UNS
* INC # H7: 1 # I5: 5,9 => UNS
* INC # H7: 1 # G6: 5,9 => UNS
* INC # H7: 1 # C4: 5,9 => UNS
* INC # H7: 1 # D4: 5,9 => UNS
* INC # H7: 1 # I3: 5,9 => UNS
* INC # H7: 1 # I3: 2,6 => UNS
* INC # H7: 1 # C7: 5,8 => UNS
* INC # H7: 1 # C7: 2,3,7 => UNS
* INC # H7: 1 # D6: 5,8 => UNS
* INC # H7: 1 # D6: 2,4,9 => UNS
* INC # H7: 1 # G8: 8,9 => UNS
* INC # H7: 1 # I9: 8,9 => UNS
* INC # H7: 1 # D9: 8,9 => UNS
* INC # H7: 1 # D9: 6 => UNS
* DIS # H7: 1 # G2: 8,9 => CTR => G2: 1,2,3
* INC # H7: 1 + G2: 1,2,3 # G5: 8,9 => UNS
* PRF # H7: 1 + G2: 1,2,3 # G6: 8,9 => SOL
* STA # H7: 1 + G2: 1,2,3 + G6: 8,9
* CNT  24 HDP CHAINS /  25 HYP OPENED