Langer's Sudoku Assistant

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

 

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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