Langer's Sudoku Assistant

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