Langer's Sudoku Assistant

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

 

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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