Langer's Sudoku Assistant

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

 

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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