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|Number of cells||18|
|Discovered by||Achim Flammenkamp|
|Year of discovery||1994|
On Catagolue, it is the fifth most common period 8 oscillator, being slightly less common than smiley but more common than blocker on cis-dock. It first occurred naturally on August 21, 2015, in a soup submitted to Catagolue by Tanner Jacobi.
- 18P8.1 at Heinrich Koenig's Game of Life Object Catalogs