Langer's Sudoku Assistant

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

 

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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