Langer's Sudoku Assistant

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

 

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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