Langer's Sudoku Assistant

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

 

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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