Langer's Sudoku Assistant

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

 

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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