Langer's Sudoku Assistant

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