Langer's Sudoku Assistant

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

 

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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