Langer's Sudoku Assistant

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