Langer's Sudoku Assistant

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

 

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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