Langer's Sudoku Assistant

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