Langer's Sudoku Assistant

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

 

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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