15
15
---------------
--X------------
--XXX-------XX-
-----X------X--
----XX----X-X--
----------XX---
---------------
------XXX------
------XXX------
---XX----------
--X-X----XX----
--X------X-----
-XX-------XXX--
------------X--
---------------

# by Robert Wainwright.
# A spiderly looking creation with a
# spinner in the middle that cycles
# every 12 generations.