Langer's Sudoku Assistant

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

 

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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