Langer's Sudoku Assistant

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

 

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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