Langer's Sudoku Assistant

3
4
9
7
5
1
6
2
8
6
5
1
8
2
3
7
4
9
7
8
2
6
9
4
5
3
1
    
    
       
3
    
    
       
8
1
4
9
7
6
1
6
4
3
9
7
5
8
2
8
7
9
2
6
5
1
4
3
4
8
3
    
    
       
9
    
    
       
1
6
7
2
1
6
4
7
8
9
3
5
9
5
7
3
1
6
4
2
8

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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