Two pre-L hasslers

	Two pre-L hasslers
	<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 24, y = 16, rule = B3/S23 4b2o12b2o$2obo2bob2o4b2obo2bob2o$2o2bo4bo4bo4bo2b2o$5bo12bo$6bobo6bobo $10bo$9bobo$8bo5bo$9bo5bo$12bobo$13bo$6bobo6bobo$5bo12bo$2o2bo4bo4bo4b o2b2o$2obo2bob2o4b2obo2bob2o$4b2o12b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ GPS 4 ZOOM 15 LOOP 16 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> <html></noscript></canvas></div></html>
	<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 24, y = 16, rule = B3/S23 4b2o12b2o$2obo2bob2o4b2obo2bob2o$2o2bo4bo4bo4bo2b2o$5bo12bo$6bobo6bobo $10bo$9bobo$8bo5bo$9bo5bo$12bobo$13bo$6bobo6bobo$5bo12bo$2o2bo4bo4bo4b o2b2o$2obo2bob2o4b2obo2bob2o$4b2o12b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ GPS 4 ZOOM 15 LOOP 16 ]]</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
Number of cells	70
Bounding box	24×18
Period	16
Mod	8
Heat	45.5
Volatility	0.91
Strict volatility	0.19
Discovered by	Robert Wainwright
Year of discovery	1983
Rules
Outer-totalistic rules	B3/S23 – B378/S2378
Important rules	Conway Life
# of rules	24 = 16
Isotropic rules	B3-y/S23ajnqr – B34cet5-jy6-n78/S234-anqry5-cij6-a78
Pattern files
Plaintext	twoprelhasslers.cells
RLE	twoprelhasslers.rle
Identifiers
apgcode	xp16_gj3y63jgz9hgfx8gxfgh9z0ggxco13xggzpo0fy01xf0opz0ccy6cc

Two pre-L hasslers was the first period-16 oscillator to be discovered. It was found by Robert Wainwright in July 1983[1]. It features four blockers hassling two central objects known as "pre-L"s.

Image gallery

Generation 1 reveals why the central objects are called pre-Ls

gollark: https://en.wikipedia.org/wiki/TempleOSAlso not Unix at all.

gollark: Not remotely Unix.

gollark: https://www.haiku-os.org/

gollark: Unix-like, but not literally Unix, like most modern things.

gollark: https://www.redox-os.org/

References

Dean Hickerson's oscillator stamp collection.

External links

Two pre-L hasslers at Adam P. Goucher's Catagolue

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[1] Dean Hickerson's oscillator stamp collection.