Langer's Sudoku Assistant

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

 

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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