Langer's Sudoku Assistant

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

 

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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