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x = 11, y = 10, rule = B3/S23 6b2o$ob2obobo$2obobo$4b2o$5bo2$7b2o$7bo$8b3o$10bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 2 THUMBSIZE 2 ]]
Pattern type Oscillator
Number of cells 21
Bounding box 11×10
Period 5
Mod 5
Heat 4.4
Volatility 0.39
Strict volatility 0.39
Discovered by Unknown
Year of discovery Unknown
Not to be confused with hook or bookend.

Hooks is a period-5 oscillator that is shown as the second pattern in the third row of Jason Summers' main period 5 collection. It is also shown as the first pattern in the fourth row of Jason Summers' period 5 billiard collection. A stator variant of this oscillator, featuring a carrier in place of a snake, appeared naturally on February 7, 2020, in a soup submitted to Catagolue by Rob Liston.[1]

See also


  1. Ian07 (March 11, 2020). Re: Soup search results (discussion thread) at the ConwayLife.com forums

External links

  • 21P5.2 at Heinrich Koenig's Game of Life Object Catalogs