Langer's Sudoku Assistant

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

 

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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