Langer's Sudoku Assistant

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

 

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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