Langer's Sudoku Assistant

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

 

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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