Langer's Sudoku Assistant

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

 

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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