Langer's Sudoku Assistant

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