Langer's Sudoku Assistant

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