Langer's Sudoku Assistant

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