Langer's Sudoku Assistant

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