Langer's Sudoku Assistant

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