Langer's Sudoku Assistant

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

 

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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