Langer's Sudoku Assistant

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

 

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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