Langer's Sudoku Assistant

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

 

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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