Langer's Sudoku Assistant

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