I have periods with tanks.......
. . . _|__
___/____\====C
\0o0o0o0o0o/
. . . _|__
___/____\====C
\0o0o0o0o0o/
. . . _|__
___/____\====C
\0o0o0o0o0o/
. . . _|__
___/____\====C
\0o0o0o0o0o/
. . . _|__
___/____\====C
\0o0o0o0o0o/
. . . _|__
___/____\====C
\0o0o0o0o0o/
. . . _|__
___/____\====C
\0o0o0o0o0o/