Analysis of xx-ph-01314403-13_12-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: 98.7..6..5...9..8...4..6..976...98....8.............36.2..6.9....5..7..8...2.8..1 initial

Autosolve

position: 98.7..6..5.6.9..8...4..6..976...98....86...9........3682..6.9....59.7..8...2.8..1 autosolve
Autosolve

Pair Reduction Variants

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Deep Constraint Pair Analysis

Time used: 0:00:00.000007

List of important HDP chains detected for B2,B3: 7..:

* PRF # B2: 7 # E3: 1,3 => SOL
* STA # B2: 7 + E3: 1,3
* CNT   1 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

98.7..6..5...9..8...4..6..976...98....8.............36.2..6.9....5..7..8...2.8..1 initial
98.7..6..5.6.9..8...4..6..976...98....86...9........3682..6.9....59.7..8...2.8..1 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
C1,A3: 2.. / C1 = 2  =>  3 pairs (_) / A3 = 2  =>  2 pairs (_)
G8,H8: 2.. / G8 = 2  =>  1 pairs (_) / H8 = 2  =>  2 pairs (_)
B5,B6: 5.. / B5 = 5  =>  0 pairs (_) / B6 = 5  =>  1 pairs (_)
A8,A9: 6.. / A8 = 6  =>  2 pairs (_) / A9 = 6  =>  0 pairs (_)
H8,H9: 6.. / H8 = 6  =>  0 pairs (_) / H9 = 6  =>  2 pairs (_)
A8,H8: 6.. / A8 = 6  =>  2 pairs (_) / H8 = 6  =>  0 pairs (_)
A9,H9: 6.. / A9 = 6  =>  0 pairs (_) / H9 = 6  =>  2 pairs (_)
B2,B3: 7.. / B2 = 7  =>  1 pairs (_) / B3 = 7  =>  1 pairs (_)
E5,E6: 7.. / E5 = 7  =>  0 pairs (_) / E6 = 7  =>  0 pairs (_)
C7,C9: 7.. / C7 = 7  =>  3 pairs (_) / C9 = 7  =>  1 pairs (_)
E6,G6: 7.. / E6 = 7  =>  0 pairs (_) / G6 = 7  =>  0 pairs (_)
D3,E3: 8.. / D3 = 8  =>  0 pairs (_) / E3 = 8  =>  0 pairs (_)
D6,E6: 8.. / D6 = 8  =>  0 pairs (_) / E6 = 8  =>  0 pairs (_)
D3,D6: 8.. / D3 = 8  =>  0 pairs (_) / D6 = 8  =>  0 pairs (_)
E3,E6: 8.. / E3 = 8  =>  0 pairs (_) / E6 = 8  =>  0 pairs (_)
B6,C6: 9.. / B6 = 9  =>  5 pairs (_) / C6 = 9  =>  1 pairs (_)
B9,C9: 9.. / B9 = 9  =>  1 pairs (_) / C9 = 9  =>  5 pairs (_)
B6,B9: 9.. / B6 = 9  =>  5 pairs (_) / B9 = 9  =>  1 pairs (_)
C6,C9: 9.. / C6 = 9  =>  1 pairs (_) / C9 = 9  =>  5 pairs (_)
* DURATION: 0:00:14.734735  START: 04:34:40.948220  END: 04:34:55.682955 2021-01-13
* CP COUNT: (19)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
C6,C9: 9.. / C6 = 9 ==>  1 pairs (_) / C9 = 9 ==>  5 pairs (_)
B6,B9: 9.. / B6 = 9 ==>  5 pairs (_) / B9 = 9 ==>  1 pairs (_)
B9,C9: 9.. / B9 = 9 ==>  1 pairs (_) / C9 = 9 ==>  5 pairs (_)
B6,C6: 9.. / B6 = 9 ==>  5 pairs (_) / C6 = 9 ==>  1 pairs (_)
C1,A3: 2.. / C1 = 2 ==>  3 pairs (_) / A3 = 2 ==>  2 pairs (_)
C7,C9: 7.. / C7 = 7 ==>  3 pairs (_) / C9 = 7 ==>  1 pairs (_)
G8,H8: 2.. / G8 = 2 ==>  1 pairs (_) / H8 = 2 ==>  2 pairs (_)
A9,H9: 6.. / A9 = 6 ==>  0 pairs (_) / H9 = 6 ==>  2 pairs (_)
A8,H8: 6.. / A8 = 6 ==>  2 pairs (_) / H8 = 6 ==>  0 pairs (_)
H8,H9: 6.. / H8 = 6 ==>  0 pairs (_) / H9 = 6 ==>  2 pairs (_)
A8,A9: 6.. / A8 = 6 ==>  2 pairs (_) / A9 = 6 ==>  0 pairs (_)
B2,B3: 7.. / B2 = 7 ==>  0 pairs (*) / B3 = 7  =>  0 pairs (X)
* DURATION: 0:02:31.283602  START: 04:34:55.683576  END: 04:37:26.967178 2021-01-13
* REASONING B2,B3: 7..
* PRF # B2: 7 # E3: 1,3 => SOL
* STA # B2: 7 + E3: 1,3
* CNT   1 HDP CHAINS /   5 HYP OPENED
* DCP COUNT: (12)
* SOLUTION FOUND

Header Info

1314403;13_12;GP;26;11.30;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for C6,C9: 9..:

* INC # C9: 9 # C4: 1,2 => UNS
* INC # C9: 9 # A5: 1,2 => UNS
* INC # C9: 9 # A6: 1,2 => UNS
* INC # C9: 9 # E6: 1,2 => UNS
* INC # C9: 9 # F6: 1,2 => UNS
* INC # C9: 9 # G6: 1,2 => UNS
* INC # C9: 9 # C1: 1,2 => UNS
* INC # C9: 9 # C1: 3 => UNS
* INC # C9: 9 # A8: 3,6 => UNS
* INC # C9: 9 # A8: 1 => UNS
* INC # C9: 9 # B8: 3,4 => UNS
* INC # C9: 9 # B8: 1 => UNS
* INC # C9: 9 # E9: 3,4 => UNS
* INC # C9: 9 # G9: 3,4 => UNS
* INC # C9: 9 # D7: 3,4 => UNS
* INC # C9: 9 # F7: 3,4 => UNS
* INC # C9: 9 # E9: 3,4 => UNS
* INC # C9: 9 # B8: 3,4 => UNS
* INC # C9: 9 # G8: 3,4 => UNS
* INC # C9: 9 # E1: 3,4 => UNS
* INC # C9: 9 # E4: 3,4 => UNS
* INC # C9: 9 # E5: 3,4 => UNS
* INC # C9: 9 # I7: 4,5 => UNS
* INC # C9: 9 # G9: 4,5 => UNS
* INC # C9: 9 # H9: 4,5 => UNS
* INC # C9: 9 # D7: 4,5 => UNS
* INC # C9: 9 # F7: 4,5 => UNS
* INC # C9: 9 # H1: 4,5 => UNS
* INC # C9: 9 # H4: 4,5 => UNS
* INC # C9: 9 => UNS
* INC # C6: 9 # C7: 3,7 => UNS
* INC # C6: 9 # C7: 1 => UNS
* INC # C6: 9 # G9: 3,7 => UNS
* INC # C6: 9 # G9: 4,5 => UNS
* INC # C6: 9 => UNS
* CNT  35 HDP CHAINS /  35 HYP OPENED

Full list of HDP chains traversed for B6,B9: 9..:

* INC # B6: 9 # C4: 1,2 => UNS
* INC # B6: 9 # A5: 1,2 => UNS
* INC # B6: 9 # A6: 1,2 => UNS
* INC # B6: 9 # E6: 1,2 => UNS
* INC # B6: 9 # F6: 1,2 => UNS
* INC # B6: 9 # G6: 1,2 => UNS
* INC # B6: 9 # C1: 1,2 => UNS
* INC # B6: 9 # C1: 3 => UNS
* INC # B6: 9 # A8: 3,6 => UNS
* INC # B6: 9 # A8: 1 => UNS
* INC # B6: 9 # B8: 3,4 => UNS
* INC # B6: 9 # B8: 1 => UNS
* INC # B6: 9 # E9: 3,4 => UNS
* INC # B6: 9 # G9: 3,4 => UNS
* INC # B6: 9 # D7: 3,4 => UNS
* INC # B6: 9 # F7: 3,4 => UNS
* INC # B6: 9 # E9: 3,4 => UNS
* INC # B6: 9 # B8: 3,4 => UNS
* INC # B6: 9 # G8: 3,4 => UNS
* INC # B6: 9 # E1: 3,4 => UNS
* INC # B6: 9 # E4: 3,4 => UNS
* INC # B6: 9 # E5: 3,4 => UNS
* INC # B6: 9 # I7: 4,5 => UNS
* INC # B6: 9 # G9: 4,5 => UNS
* INC # B6: 9 # H9: 4,5 => UNS
* INC # B6: 9 # D7: 4,5 => UNS
* INC # B6: 9 # F7: 4,5 => UNS
* INC # B6: 9 # H1: 4,5 => UNS
* INC # B6: 9 # H4: 4,5 => UNS
* INC # B6: 9 => UNS
* INC # B9: 9 # C7: 3,7 => UNS
* INC # B9: 9 # C7: 1 => UNS
* INC # B9: 9 # G9: 3,7 => UNS
* INC # B9: 9 # G9: 4,5 => UNS
* INC # B9: 9 => UNS
* CNT  35 HDP CHAINS /  35 HYP OPENED

Full list of HDP chains traversed for B9,C9: 9..:

* INC # C9: 9 # C4: 1,2 => UNS
* INC # C9: 9 # A5: 1,2 => UNS
* INC # C9: 9 # A6: 1,2 => UNS
* INC # C9: 9 # E6: 1,2 => UNS
* INC # C9: 9 # F6: 1,2 => UNS
* INC # C9: 9 # G6: 1,2 => UNS
* INC # C9: 9 # C1: 1,2 => UNS
* INC # C9: 9 # C1: 3 => UNS
* INC # C9: 9 # A8: 3,6 => UNS
* INC # C9: 9 # A8: 1 => UNS
* INC # C9: 9 # B8: 3,4 => UNS
* INC # C9: 9 # B8: 1 => UNS
* INC # C9: 9 # E9: 3,4 => UNS
* INC # C9: 9 # G9: 3,4 => UNS
* INC # C9: 9 # D7: 3,4 => UNS
* INC # C9: 9 # F7: 3,4 => UNS
* INC # C9: 9 # E9: 3,4 => UNS
* INC # C9: 9 # B8: 3,4 => UNS
* INC # C9: 9 # G8: 3,4 => UNS
* INC # C9: 9 # E1: 3,4 => UNS
* INC # C9: 9 # E4: 3,4 => UNS
* INC # C9: 9 # E5: 3,4 => UNS
* INC # C9: 9 # I7: 4,5 => UNS
* INC # C9: 9 # G9: 4,5 => UNS
* INC # C9: 9 # H9: 4,5 => UNS
* INC # C9: 9 # D7: 4,5 => UNS
* INC # C9: 9 # F7: 4,5 => UNS
* INC # C9: 9 # H1: 4,5 => UNS
* INC # C9: 9 # H4: 4,5 => UNS
* INC # C9: 9 => UNS
* INC # B9: 9 # C7: 3,7 => UNS
* INC # B9: 9 # C7: 1 => UNS
* INC # B9: 9 # G9: 3,7 => UNS
* INC # B9: 9 # G9: 4,5 => UNS
* INC # B9: 9 => UNS
* CNT  35 HDP CHAINS /  35 HYP OPENED

Full list of HDP chains traversed for B6,C6: 9..:

* INC # B6: 9 # C4: 1,2 => UNS
* INC # B6: 9 # A5: 1,2 => UNS
* INC # B6: 9 # A6: 1,2 => UNS
* INC # B6: 9 # E6: 1,2 => UNS
* INC # B6: 9 # F6: 1,2 => UNS
* INC # B6: 9 # G6: 1,2 => UNS
* INC # B6: 9 # C1: 1,2 => UNS
* INC # B6: 9 # C1: 3 => UNS
* INC # B6: 9 # A8: 3,6 => UNS
* INC # B6: 9 # A8: 1 => UNS
* INC # B6: 9 # B8: 3,4 => UNS
* INC # B6: 9 # B8: 1 => UNS
* INC # B6: 9 # E9: 3,4 => UNS
* INC # B6: 9 # G9: 3,4 => UNS
* INC # B6: 9 # D7: 3,4 => UNS
* INC # B6: 9 # F7: 3,4 => UNS
* INC # B6: 9 # E9: 3,4 => UNS
* INC # B6: 9 # B8: 3,4 => UNS
* INC # B6: 9 # G8: 3,4 => UNS
* INC # B6: 9 # E1: 3,4 => UNS
* INC # B6: 9 # E4: 3,4 => UNS
* INC # B6: 9 # E5: 3,4 => UNS
* INC # B6: 9 # I7: 4,5 => UNS
* INC # B6: 9 # G9: 4,5 => UNS
* INC # B6: 9 # H9: 4,5 => UNS
* INC # B6: 9 # D7: 4,5 => UNS
* INC # B6: 9 # F7: 4,5 => UNS
* INC # B6: 9 # H1: 4,5 => UNS
* INC # B6: 9 # H4: 4,5 => UNS
* INC # B6: 9 => UNS
* INC # C6: 9 # C7: 3,7 => UNS
* INC # C6: 9 # C7: 1 => UNS
* INC # C6: 9 # G9: 3,7 => UNS
* INC # C6: 9 # G9: 4,5 => UNS
* INC # C6: 9 => UNS
* CNT  35 HDP CHAINS /  35 HYP OPENED

Full list of HDP chains traversed for C1,A3: 2..:

* INC # C1: 2 # B2: 1,3 => UNS
* INC # C1: 2 # B3: 1,3 => UNS
* INC # C1: 2 # D3: 1,3 => UNS
* INC # C1: 2 # E3: 1,3 => UNS
* INC # C1: 2 # G3: 1,3 => UNS
* INC # C1: 2 # A5: 1,3 => UNS
* INC # C1: 2 # A8: 1,3 => UNS
* INC # C1: 2 # A5: 1,3 => UNS
* INC # C1: 2 # B5: 1,3 => UNS
* INC # C1: 2 # D4: 1,3 => UNS
* INC # C1: 2 # E4: 1,3 => UNS
* INC # C1: 2 # C7: 1,3 => UNS
* INC # C1: 2 # C7: 7 => UNS
* INC # C1: 2 # B6: 1,9 => UNS
* INC # C1: 2 # B6: 4,5 => UNS
* INC # C1: 2 => UNS
* INC # A3: 2 # B2: 1,3 => UNS
* INC # A3: 2 # B3: 1,3 => UNS
* INC # A3: 2 # E1: 1,3 => UNS
* INC # A3: 2 # F1: 1,3 => UNS
* INC # A3: 2 # C4: 1,3 => UNS
* INC # A3: 2 # C7: 1,3 => UNS
* INC # A3: 2 # A5: 1,4 => UNS
* INC # A3: 2 # B5: 1,4 => UNS
* INC # A3: 2 # B6: 1,4 => UNS
* INC # A3: 2 # D6: 1,4 => UNS
* INC # A3: 2 # E6: 1,4 => UNS
* INC # A3: 2 # F6: 1,4 => UNS
* INC # A3: 2 # G6: 1,4 => UNS
* INC # A3: 2 # A8: 1,4 => UNS
* INC # A3: 2 # A8: 3,6 => UNS
* INC # A3: 2 => UNS
* CNT  32 HDP CHAINS /  32 HYP OPENED

Full list of HDP chains traversed for C7,C9: 7..:

* INC # C7: 7 # B9: 3,9 => UNS
* INC # C7: 7 # B9: 4 => UNS
* INC # C7: 7 # D7: 3,4 => UNS
* INC # C7: 7 # F7: 3,4 => UNS
* INC # C7: 7 # E9: 3,4 => UNS
* INC # C7: 7 # A8: 3,4 => UNS
* INC # C7: 7 # B8: 3,4 => UNS
* INC # C7: 7 # G8: 3,4 => UNS
* INC # C7: 7 # E1: 3,4 => UNS
* INC # C7: 7 # E4: 3,4 => UNS
* INC # C7: 7 # E5: 3,4 => UNS
* INC # C7: 7 # I7: 4,5 => UNS
* INC # C7: 7 # G9: 4,5 => UNS
* INC # C7: 7 # H9: 4,5 => UNS
* INC # C7: 7 # D7: 4,5 => UNS
* INC # C7: 7 # F7: 4,5 => UNS
* INC # C7: 7 # H1: 4,5 => UNS
* INC # C7: 7 # H4: 4,5 => UNS
* INC # C7: 7 => UNS
* INC # C9: 7 # A8: 1,3 => UNS
* INC # C9: 7 # B8: 1,3 => UNS
* INC # C9: 7 # D7: 1,3 => UNS
* INC # C9: 7 # F7: 1,3 => UNS
* INC # C9: 7 # C1: 1,3 => UNS
* INC # C9: 7 # C4: 1,3 => UNS
* INC # C9: 7 => UNS
* CNT  26 HDP CHAINS /  26 HYP OPENED

Full list of HDP chains traversed for G8,H8: 2..:

* INC # H8: 2 # B8: 3,4 => UNS
* INC # H8: 2 # B9: 3,4 => UNS
* INC # H8: 2 # E9: 3,4 => UNS
* INC # H8: 2 # G9: 3,4 => UNS
* INC # H8: 2 # A5: 3,4 => UNS
* INC # H8: 2 # A5: 1,2 => UNS
* INC # H8: 2 # I7: 3,4 => UNS
* INC # H8: 2 # G9: 3,4 => UNS
* INC # H8: 2 # B8: 3,4 => UNS
* INC # H8: 2 # E8: 3,4 => UNS
* INC # H8: 2 # G2: 3,4 => UNS
* INC # H8: 2 # G2: 1,2,7 => UNS
* INC # H8: 2 => UNS
* INC # G8: 2 # H9: 4,6 => UNS
* INC # G8: 2 # H9: 5,7 => UNS
* INC # G8: 2 # A8: 4,6 => UNS
* INC # G8: 2 # A8: 1,3 => UNS
* INC # G8: 2 => UNS
* CNT  18 HDP CHAINS /  18 HYP OPENED

Full list of HDP chains traversed for A9,H9: 6..:

* INC # H9: 6 # B8: 3,4 => UNS
* INC # H9: 6 # B9: 3,4 => UNS
* INC # H9: 6 # E9: 3,4 => UNS
* INC # H9: 6 # G9: 3,4 => UNS
* INC # H9: 6 # A5: 3,4 => UNS
* INC # H9: 6 # A5: 1,2 => UNS
* INC # H9: 6 # G8: 2,4 => UNS
* INC # H9: 6 # G8: 3 => UNS
* INC # H9: 6 # H1: 2,4 => UNS
* INC # H9: 6 # H4: 2,4 => UNS
* INC # H9: 6 => UNS
* INC # A9: 6 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for A8,H8: 6..:

* INC # A8: 6 # B8: 3,4 => UNS
* INC # A8: 6 # B9: 3,4 => UNS
* INC # A8: 6 # E9: 3,4 => UNS
* INC # A8: 6 # G9: 3,4 => UNS
* INC # A8: 6 # A5: 3,4 => UNS
* INC # A8: 6 # A5: 1,2 => UNS
* INC # A8: 6 # G8: 2,4 => UNS
* INC # A8: 6 # G8: 3 => UNS
* INC # A8: 6 # H1: 2,4 => UNS
* INC # A8: 6 # H4: 2,4 => UNS
* INC # A8: 6 => UNS
* INC # H8: 6 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for H8,H9: 6..:

* INC # H9: 6 # B8: 3,4 => UNS
* INC # H9: 6 # B9: 3,4 => UNS
* INC # H9: 6 # E9: 3,4 => UNS
* INC # H9: 6 # G9: 3,4 => UNS
* INC # H9: 6 # A5: 3,4 => UNS
* INC # H9: 6 # A5: 1,2 => UNS
* INC # H9: 6 # G8: 2,4 => UNS
* INC # H9: 6 # G8: 3 => UNS
* INC # H9: 6 # H1: 2,4 => UNS
* INC # H9: 6 # H4: 2,4 => UNS
* INC # H9: 6 => UNS
* INC # H8: 6 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for A8,A9: 6..:

* INC # A8: 6 # B8: 3,4 => UNS
* INC # A8: 6 # B9: 3,4 => UNS
* INC # A8: 6 # E9: 3,4 => UNS
* INC # A8: 6 # G9: 3,4 => UNS
* INC # A8: 6 # A5: 3,4 => UNS
* INC # A8: 6 # A5: 1,2 => UNS
* INC # A8: 6 # G8: 2,4 => UNS
* INC # A8: 6 # G8: 3 => UNS
* INC # A8: 6 # H1: 2,4 => UNS
* INC # A8: 6 # H4: 2,4 => UNS
* INC # A8: 6 => UNS
* INC # A9: 6 => UNS
* CNT  12 HDP CHAINS /  12 HYP OPENED

Full list of HDP chains traversed for B2,B3: 7..:

* INC # B2: 7 # C1: 1,3 => UNS
* INC # B2: 7 # A3: 1,3 => UNS
* INC # B2: 7 # D3: 1,3 => UNS
* PRF # B2: 7 # E3: 1,3 => SOL
* STA # B2: 7 + E3: 1,3
* CNT   4 HDP CHAINS /   5 HYP OPENED