Langer's Sudoku Assistant

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

 

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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