Eater 4

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Eater 4
3b2o$3bo$2obo$o2b2o$b2o4bo$3b5o$3bo4b2o$4b2o2bo$6bobo$6bobobo2bo$7b2ob 4o$9bo$9bobo$10b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C Still life #C [[ HEIGHT 480 WIDTH 480 THUMBSIZE 2 ]]
Pattern type Strict still life
Number of cells 40
Bounding box 14×14
Discovered by David Buckingham
Year of discovery 1971

Eater 4 is an eater that was found by David Buckingham in 1971, but was not recognized as an eater until 1975 or 1976. It can't eat gliders, but it can be used for various other purposes.[which?] The four northeast-most center cells regrow in a few generations after being destroyed by taking a bite out of something.

On January 7, 2020, Jeremy Tan found a 14-glider synthesis of this still life.[1]

See also


  1. Jeremy Tan (January 7, 2020). Re: Soup-based syntheses (discussion thread) at the forums

External links