Langer's Sudoku Assistant

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