Langer's Sudoku Assistant

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

 

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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