Langer's Sudoku Assistant

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