Langer's Sudoku Assistant

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

 

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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