Langer's Sudoku Assistant

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