Langer's Sudoku Assistant

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