Langer's Sudoku Assistant

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

 

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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