Langer's Sudoku Assistant

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