Langer's Sudoku Assistant

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

 

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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