Okay, so I have this common event which is fitting in curtains. The only problem is I have two sets, and once I've done one, the other one won't work.
Attached screenshot:
http://img233.imageshack.us/img233/6286/curtainsdu3.png[/IMG]
Attached screenshot:
http://img233.imageshack.us/img233/6286/curtainsdu3.png[/IMG]