Langer's Sudoku Assistant

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