Langer's Sudoku Assistant

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