21P2

	21P2
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	<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html> 3bo3b$b3o3b$o5bo$ob5o$bo5b$4bo2b$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> <html></noscript></canvas></div></html>
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Pattern type	Oscillator
Family	Beacon
Number of cells	16
Bounding box	7×7
Frequency class	32.5
Period	2
Mod	2
Heat	2
Volatility	0.11
Strict volatility	0.11
Rotor type	Diagonal on-off
Discovered by	Unknown
Year of discovery	Unknown
Rules
Outer-totalistic rules	B3/S23 – B378/S01235678
Important rules	Conway Life
# of rules	28 = 256
Isotropic rules	B3aj/S2-n3ajnr – B2cik34-ajntw5-kqr6-k78/S01234-kq5678
Glider synthesis
Fewest gliders	8
Catagolue-generated RLE	21p2_synth.rle
Uploaded synthesis RLE	21p2_synth.rle
Pattern files
Plaintext	21p2.cells
RLE	21p2.rle
Identifiers
apgcode	xp2_8e1t2gozw23
Pentadecathlon ID	16P2.91

21P2 is a period-2 oscillator.

Commonness

21P2 is about the thirty-eighth most common naturally-occurring oscillator in Achim Flammenkamp's census, being less common than boat on spark coil and block on griddle, about as common as the fore and back, and more common than trans-block on long hook eating tub and trans-beacon down on long hook.[1]

gollark: __END OF SENTENCE

gollark: PotatOS TLD coming soon*.

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Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.

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