Langer's Sudoku Assistant

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