Langer's Sudoku Assistant

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

 

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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