Beacon on long hook

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Cis-beacon up on long hook
2b2ob$3bob$o4b$2o3b2$4ob$o3bo$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]
Pattern type Oscillator
Family Beacon
Number of cells 14
Bounding box 5×8, 6×8, or 7×8
Frequency class 30.6
Period 2
Mod 2
Heat 2
Volatility 0.13
Strict volatility 0.13
Rotor type Diagonal on-off
Discovered by Unknown
Year of discovery Unknown

Beacon on long hook may refer to any of four similar period 2 oscillators composed of a beacon on a long hook. They are cis-beacon down on long hook, cis-beacon up on long hook (pictured to the right), trans-beacon down on long hook and trans-beacon up on long hook.


The four isomers of beacon on long hook are about the 35th, 31st, 40th and 50th most common naturally-occurring oscillators in Achim Flammenkamp's census, respectively.[1]

Image gallery


  1. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.

External links

  • 14P2.8 at Heinrich Koenig's Game of Life Object Catalogs