Langer's Sudoku Assistant

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

 

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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