Langer's Sudoku Assistant

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

 

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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