So, it seems EDDF airport google guys have found a way to deal with slot congestion...
(https://www.airwaysim.com/forum/proxy.php?request=http%3A%2F%2Fi47.tinypic.com%2F96aut4.png&hash=cd952719e7f223be4e038f74edcd4425b1aab427)
LOL :laugh: I found that exact same picture on Google Earth