By flops

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By flops
3bo2b$bobo2b$5bo$5ob$5bo$bobo2b$3bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]
Pattern type Oscillator
Family Griddle
Number of cells 13
Bounding box 6×7
Frequency class 38.6
Period 2
Mod 1
Heat 18
Volatility 0.82
Strict volatility 0.82
Discovered by Robert Wainwright
Year of discovery Unknown

By flops (or butterfly[1]) is a period-2 oscillator found by Robert Wainwright[2] that is extremely similar to why not: in fact in one phase it is only one cell different. It first appeared naturally in Catagolue on May 21, 2015, in a soup submitted by Brett Berger[3], and it was also in Andrzej Okrasinski's census.


  1. "Oscillating Object Info - Butterfly". Retrieved on March 16, 2009.
  2. Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
  3. Brett Berger (May 21, 2015). Re: Soup search results (discussion thread) at the forums

External links

  • 13P2.3 at Heinrich Koenig's Game of Life Object Catalogs