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bo12b$b3o8b2o$4bo7bob$3b2o5bobob$10b2o2b2$6b2o6b$5b2obo5b$6b3o5b$2b2o 3b3o4b$bobo5b2o3b$bo7bo4b$2o8b3ob$12bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 4 LOOP 8 THUMBSIZE 3 WIDTH 480 HEIGHT 480 ]]
Pattern type Oscillator
Number of cells 35
Bounding box 14×14
Period 8
Mod 2
Heat 11.0
Volatility 0.63
Strict volatility 0.63
Discovered by Robert Wainwright
Year of discovery 1972

Roteightor is a period-8 oscillator with 35 cells. It was discovered by Robert Wainwright in 1972.[1] It consists of four eater 1s hassling a fleet predecessor that resembles a standard spaceship of length 3, sometimes called an underweight spaceship. It can also be extended as an agar.


The roteightor is period eight, the rotor appears to rotate, and in an extended roteightor with the underweight spaceships in their dense phases the UWSSs that touch resemble black eights.

Image gallery

An extension of roteightor
RLE: here

See also


  1. Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.

External links

  • 35P8.1 at Heinrich Koenig's Game of Life Object Catalogs