Smiley

	Smiley
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Pattern type	Oscillator
Number of cells	17
Bounding box	7 × 8
Period	8 (mod: Unknown)
Heat	22.5
Volatility	Unknown \| Unknown
Kinetic symmetry	Unspecified
Discovered by	Achim Flammenkamp
Year of discovery	1994
Pattern files
Plaintext	smiley.cells
RLE	smiley.rle

Smiley is a period 8 oscillator that was found by Achim Flammenkamp in July 1994 and named by Alan Hensel. It is one of the few small oscillators with no known glider synthesis.^[1]

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