WORLDEDIT-2986 - Reported by NewBest

Looks like WE doesn't set two blocks as center of a selection (even number long). You can see the screen-shots below. I'm sorry if you fixed this in a newer version, I didn't have time to check :D

http://i40.tinypic.com/156prif.png
http://i39.tinypic.com/14j94ps.png