c/12 R-pentomino crawler

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c/12 R-pentomino crawler
x = 23, y = 27, rule = B3/S23 3o2$o2$8b3o$3bo$2b3o$4bo6b3o3$14b3o2$3bo$3bo13b3o$3bo$6bo$6bo13b3o$6bo $9bo$9bo$9bo$12bo$12bo$12bo$15bo$15bo$15bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ TRACKLOOP 36 3/36 3/36 GPS 9 X -3 Y -3 THUMBSIZE 2 HEIGHT 480 WIDTH 480 ZOOM 24 AUTOSTART ]]
Pattern type Crawler
Speed c/12
Direction Diagonal
Crawls on Blinker
Discovered by Unknown
Year of discovery Unknown
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Consists of an R-pentomino reacting with a blinker, creating another blinker and R-pentomino.[1]

This reaction cannot continue forever, as a stray spark will turn the created blinker into an octomino.


  1. muzik (July 29, 2016). Re: Thread For Your Accidental Discoveries (discussion thread) at the ConwayLife.com forums