Bookends

	Bookends
	<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 7, y = 4, rule = B3/S23 2o3b2o$obobobo$2bobo$b2ob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C Still life <nowiki></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 = 7, y = 4, rule = B3/S23 2o3b2o$obobobo$2bobo$b2ob2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C Still life <nowiki></nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> <html></noscript></canvas></div></html>
	View static image
Pattern type	Strict still life
Number of cells	14
Bounding box	7×4
Frequency class	18.7
Discovered by	Unknown
Year of discovery	Unknown
Rules
Outer-totalistic rules	B/S23 – B378/S012345678
Important rules	Conway Life
# of rules	210 = 1024
Isotropic rules	B/S2aek3nr – B2in34-i5-jq6-i78/S012345678
Glider synthesis
Fewest gliders	4
Catagolue-generated RLE	bookends_synth.rle
Uploaded synthesis RLE	bookends_synth.rle
Pattern files
Plaintext	bookends.cells
RLE	bookends.rle
Identifiers
apgcode	xs14_39e0e93
Niemiec ID	14.590
Pentadecathlon ID	14.112

Bookends (or cis-mirrored hook) is a still life composed of two bookends.

Commonness

Bookends is the forty-sixth most common still life in Achim Flammenkamp's census, being less common than dead spark coil but more common than elevener.[1] It is also the fifty-third most common object on Adam P. Goucher's Catagolue.[2]

gollark: Ah. It is.

gollark: Is it *in* the new one?

gollark: I've always found that bit of the T&C astonishingly stupid.

gollark: (dragon) child abuse!

gollark: https://reddit.com/r/masterhacker

Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.

This article is issued from Conwaylife. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.