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168P22.1 image
Pattern type Oscillator
Number of cells 168
Bounding box 33×22
Period 22
Mod 22
Heat 45.1
Volatility 0.53
Strict volatility 0.41
Discovered by Noam Elkies
Year of discovery 1997

168P22.1 is an unnamed period 22 oscillator. It was the first period 22 oscillator to be found,[1] and was discovered by Noam Elkies on April 17, 1997.[2] It works by hassling two traffic light predecessors. Four griddles are integrated into the oscillator to ensure overall stability.

See also


  1. x-oscs-new-p020-035.lif oscillator collection, retrieved on April 9, 2009
  2. "Game of Life Status page". Retrieved on April 9, 2009.

External links

  • 168P22.1 at Heinrich Koenig's Game of Life Object Catalogs