Bukkit

What steps will reproduce the problem?
1.When there are only playing a few players works fine (2-12 players). The arenas accepts max 12 players
2. But when there are playing a lot of players (+12) the schamatics get pasted close to each other or even in the same place.
3.

What is the expected output? What do you see instead?
I expected that we cant see another islands

What version of the product are you using?
Skywars v1.1

Do you have an error log of what happened?

No errors

Please provide any additional information below.