Runny nose

	Runny nose
	<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 8, y = 10, rule = B3/S23 3bo$2b2o2$obo2bo$obobobo$obobo2bo$2bo$5bobo$obo3bo$bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ THUMBSIZE 2 GPS 2 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> File:Runnynose.png <html></noscript></canvas></div></html>
	<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 8, y = 10, rule = B3/S23 3bo$2b2o2$obo2bo$obobobo$obobo2bo$2bo$5bobo$obo3bo$bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ THUMBSIZE 2 GPS 2 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> File:Runnynose.png <html></noscript></canvas></div></html>
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Pattern type	Oscillator
Number of cells	21
Bounding box	8×10
Period	3
Mod	3
Heat	22
Volatility	0.85
Strict volatility	0.85
Discovered by	83bismuth38
Year of discovery	2017
Rules
Outer-totalistic rules	B3/S23 – B378/S02378
Important rules	Conway Life
# of rules	25 = 32
Isotropic rules	B3-y/S23acjny – B34cqtwz5-cnr6-ci78/S0234-ary5-in6-ak78
Glider synthesis
Fewest gliders	40 (32†)
Catagolue-generated RLE	runnynose_synth.rle
	†Can be constructed with 32 gliders using the reverse caber tosser universal constructor.
Pattern files
Plaintext	runnynose.cells
RLE	runnynose.rle
Identifiers
apgcode	xp3_bnp0oeu2z128841
Pentadecathlon ID	21P3.111

Runny nose is a period-3 oscillator found by ConwayLife forums user "83bismuth38" on 5 March 2017.[1] It is notable due to its small size, at 21 cells, which surprised many due to it not being found earlier, and as such it fills in gaps in oscillator collections.

References

83bismuth38 (March 5, 2017). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums

External links

21P3.111 at Heinrich Koenig's Game of Life Object Catalogs

Runny nose at Adam P. Goucher's Catagolue

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[post41272-1] 83bismuth38 (March 5, 2017). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums