I have 3 sets of data all with different ranges. I want to compile all 3
ranges so that I have 1 list of ranges without duplicate numbers. Can this be
done?

For example:

5
7
8
9
12

3
6
7
9
10

4
5
8
9
and I want :
3
4
5
6
7
8
9
10
12

thanks,

Jase