Analysis of xx-ph-00698032-12_12_19-base.sdk

Contents

Original Sudoku

level: deep

Original Sudoku

position: ........1..2..3....1..4..5.....6.5...5.4.1..66....7.1..4.87..6..6..1..7.9.......8 initial

Autosolve

position: ........1..21.36...1..4..5.....6.5...5.4.1..66....7.1..4.87..6..6..1..7.9.......8 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

Time used: 0:00:00.000007

List of important HDP chains detected for I4,G5: 7..:

* PRF # I4: 7 # A1: 3,8 => SOL
* STA # I4: 7 + A1: 3,8
* 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

........1..2..3....1..4..5.....6.5...5.4.1..66....7.1..4.87..6..6..1..7.9.......8 initial
........1..21.36...1..4..5.....6.5...5.4.1..66....7.1..4.87..6..6..1..7.9.......8 autosolve

Classification

level: deep

Pairing Analysis

--------------------------------------------------
* CONSTRAINT PAIRS (AUTO SOLVE)
A4,C4: 1.. / A4 = 1  =>  0 pairs (_) / C4 = 1  =>  1 pairs (_)
G7,G9: 1.. / G7 = 1  =>  3 pairs (_) / G9 = 1  =>  0 pairs (_)
C9,G9: 1.. / C9 = 1  =>  3 pairs (_) / G9 = 1  =>  0 pairs (_)
A4,A7: 1.. / A4 = 1  =>  0 pairs (_) / A7 = 1  =>  1 pairs (_)
F8,F9: 4.. / F8 = 4  =>  0 pairs (_) / F9 = 4  =>  1 pairs (_)
D6,E6: 5.. / D6 = 5  =>  0 pairs (_) / E6 = 5  =>  2 pairs (_)
I7,I8: 5.. / I7 = 5  =>  2 pairs (_) / I8 = 5  =>  1 pairs (_)
A2,E2: 5.. / A2 = 5  =>  1 pairs (_) / E2 = 5  =>  1 pairs (_)
C1,C3: 6.. / C1 = 6  =>  2 pairs (_) / C3 = 6  =>  0 pairs (_)
D9,F9: 6.. / D9 = 6  =>  0 pairs (_) / F9 = 6  =>  2 pairs (_)
D1,D3: 7.. / D1 = 7  =>  0 pairs (_) / D3 = 7  =>  1 pairs (_)
I4,G5: 7.. / I4 = 7  =>  2 pairs (_) / G5 = 7  =>  0 pairs (_)
B9,C9: 7.. / B9 = 7  =>  1 pairs (_) / C9 = 7  =>  2 pairs (_)
A8,C8: 8.. / A8 = 8  =>  2 pairs (_) / C8 = 8  =>  0 pairs (_)
* DURATION: 0:00:09.348697  START: 23:56:40.527423  END: 23:56:49.876120 2020-12-29
* CP COUNT: (14)
* INCONCLUSIVE

--------------------------------------------------
* DEEP CONSTRAINT PAIRS (PAIR REDUCTION)
C9,G9: 1.. / C9 = 1 ==>  3 pairs (_) / G9 = 1 ==>  0 pairs (_)
G7,G9: 1.. / G7 = 1 ==>  3 pairs (_) / G9 = 1 ==>  0 pairs (_)
B9,C9: 7.. / B9 = 7 ==>  1 pairs (_) / C9 = 7 ==>  2 pairs (_)
I7,I8: 5.. / I7 = 5 ==>  2 pairs (_) / I8 = 5 ==>  1 pairs (_)
A8,C8: 8.. / A8 = 8 ==>  2 pairs (_) / C8 = 8 ==>  0 pairs (_)
I4,G5: 7.. / I4 = 7 ==>  0 pairs (*) / G5 = 7  =>  0 pairs (X)
* DURATION: 0:01:03.324969  START: 23:56:49.876831  END: 23:57:53.201800 2020-12-29
* REASONING I4,G5: 7..
* PRF # I4: 7 # A1: 3,8 => SOL
* STA # I4: 7 + A1: 3,8
* CNT   1 HDP CHAINS /   2 HYP OPENED
* DCP COUNT: (6)
* SOLUTION FOUND

Header Info

698032;12_12_19;dob;24;11.30;1.20;1.20

Appendix: Full HDP Chains

A1. Deep Constraint Pair Analysis

Full list of HDP chains traversed for C9,G9: 1..:

* INC # C9: 1 # B1: 8,9 => UNS
* INC # C9: 1 # C1: 8,9 => UNS
* INC # C9: 1 # C3: 8,9 => UNS
* INC # C9: 1 # E2: 8,9 => UNS
* INC # C9: 1 # H2: 8,9 => UNS
* INC # C9: 1 # B4: 8,9 => UNS
* INC # C9: 1 # B6: 8,9 => UNS
* INC # C9: 1 # A7: 3,5 => UNS
* INC # C9: 1 # A8: 3,5 => UNS
* INC # C9: 1 # C8: 3,5 => UNS
* INC # C9: 1 # I7: 3,5 => UNS
* INC # C9: 1 # I7: 2,9 => UNS
* INC # C9: 1 # C1: 3,5 => UNS
* INC # C9: 1 # C1: 6,7,8,9 => UNS
* INC # C9: 1 # D8: 2,9 => UNS
* INC # C9: 1 # F8: 2,9 => UNS
* INC # C9: 1 # I7: 2,9 => UNS
* INC # C9: 1 # I7: 3,5 => UNS
* INC # C9: 1 # F1: 2,9 => UNS
* INC # C9: 1 # F3: 2,9 => UNS
* INC # C9: 1 # F4: 2,9 => UNS
* INC # C9: 1 => UNS
* INC # G9: 1 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for G7,G9: 1..:

* INC # G7: 1 # B1: 8,9 => UNS
* INC # G7: 1 # C1: 8,9 => UNS
* INC # G7: 1 # C3: 8,9 => UNS
* INC # G7: 1 # E2: 8,9 => UNS
* INC # G7: 1 # H2: 8,9 => UNS
* INC # G7: 1 # B4: 8,9 => UNS
* INC # G7: 1 # B6: 8,9 => UNS
* INC # G7: 1 # A7: 3,5 => UNS
* INC # G7: 1 # A8: 3,5 => UNS
* INC # G7: 1 # C8: 3,5 => UNS
* INC # G7: 1 # I7: 3,5 => UNS
* INC # G7: 1 # I7: 2,9 => UNS
* INC # G7: 1 # C1: 3,5 => UNS
* INC # G7: 1 # C1: 6,7,8,9 => UNS
* INC # G7: 1 # D8: 2,9 => UNS
* INC # G7: 1 # F8: 2,9 => UNS
* INC # G7: 1 # I7: 2,9 => UNS
* INC # G7: 1 # I7: 3,5 => UNS
* INC # G7: 1 # F1: 2,9 => UNS
* INC # G7: 1 # F3: 2,9 => UNS
* INC # G7: 1 # F4: 2,9 => UNS
* INC # G7: 1 => UNS
* INC # G9: 1 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for B9,C9: 7..:

* INC # C9: 7 # A7: 2,3 => UNS
* INC # C9: 7 # A8: 2,3 => UNS
* INC # C9: 7 # D9: 2,3 => UNS
* INC # C9: 7 # E9: 2,3 => UNS
* INC # C9: 7 # H9: 2,3 => UNS
* INC # C9: 7 # B4: 2,3 => UNS
* INC # C9: 7 # B6: 2,3 => UNS
* INC # C9: 7 # D8: 2,9 => UNS
* INC # C9: 7 # F8: 2,9 => UNS
* INC # C9: 7 # G7: 2,9 => UNS
* INC # C9: 7 # I7: 2,9 => UNS
* INC # C9: 7 # F1: 2,9 => UNS
* INC # C9: 7 # F3: 2,9 => UNS
* INC # C9: 7 # F4: 2,9 => UNS
* INC # C9: 7 => UNS
* INC # B9: 7 # B1: 8,9 => UNS
* INC # B9: 7 # C1: 8,9 => UNS
* INC # B9: 7 # C3: 8,9 => UNS
* INC # B9: 7 # E2: 8,9 => UNS
* INC # B9: 7 # H2: 8,9 => UNS
* INC # B9: 7 # B4: 8,9 => UNS
* INC # B9: 7 # B6: 8,9 => UNS
* INC # B9: 7 => UNS
* CNT  23 HDP CHAINS /  23 HYP OPENED

Full list of HDP chains traversed for I7,I8: 5..:

* INC # I7: 5 # A7: 1,3 => UNS
* INC # I7: 5 # C9: 1,3 => UNS
* INC # I7: 5 # G7: 1,3 => UNS
* INC # I7: 5 # G7: 2,9 => UNS
* INC # I7: 5 # C4: 1,3 => UNS
* INC # I7: 5 # C4: 4,7,8,9 => UNS
* INC # I7: 5 # D8: 2,9 => UNS
* INC # I7: 5 # F8: 2,9 => UNS
* INC # I7: 5 # G7: 2,9 => UNS
* INC # I7: 5 # G7: 1,3 => UNS
* INC # I7: 5 # F1: 2,9 => UNS
* INC # I7: 5 # F3: 2,9 => UNS
* INC # I7: 5 # F4: 2,9 => UNS
* INC # I7: 5 => UNS
* INC # I8: 5 # A8: 3,8 => UNS
* INC # I8: 5 # A8: 2 => UNS
* INC # I8: 5 # C1: 3,8 => UNS
* INC # I8: 5 # C3: 3,8 => UNS
* INC # I8: 5 # C4: 3,8 => UNS
* INC # I8: 5 # C5: 3,8 => UNS
* INC # I8: 5 # C6: 3,8 => UNS
* INC # I8: 5 => UNS
* CNT  22 HDP CHAINS /  22 HYP OPENED

Full list of HDP chains traversed for A8,C8: 8..:

* INC # A8: 8 # A1: 3,7 => UNS
* INC # A8: 8 # B1: 3,7 => UNS
* INC # A8: 8 # C1: 3,7 => UNS
* INC # A8: 8 # C3: 3,7 => UNS
* INC # A8: 8 # G3: 3,7 => UNS
* INC # A8: 8 # I3: 3,7 => UNS
* INC # A8: 8 # A4: 3,7 => UNS
* INC # A8: 8 # A5: 3,7 => UNS
* INC # A8: 8 # A7: 3,5 => UNS
* INC # A8: 8 # C7: 3,5 => UNS
* INC # A8: 8 # C9: 3,5 => UNS
* INC # A8: 8 # D8: 3,5 => UNS
* INC # A8: 8 # I8: 3,5 => UNS
* INC # A8: 8 # C1: 3,5 => UNS
* INC # A8: 8 # C1: 4,6,7,8,9 => UNS
* INC # A8: 8 => UNS
* INC # C8: 8 => UNS
* CNT  17 HDP CHAINS /  17 HYP OPENED

Full list of HDP chains traversed for I4,G5: 7..:

* PRF # I4: 7 # A1: 3,8 => SOL
* STA # I4: 7 + A1: 3,8
* CNT   1 HDP CHAINS /   2 HYP OPENED