Langer's Sudoku Assistant

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

 

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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