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98P25 image
Pattern type Oscillator
Number of cells 98
Bounding box 38×23
Period 25
Mod Unknown
Heat 84.2
Volatility 0.87
Strict volatility 0.56
Discovered by Noam Elkies
Year of discovery 2002

98P25 is an unnamed period-25 oscillator discovered by Noam Elkies in October 2002. In terms of minimum population, it was the smallest known period-25 oscillator until the discovery of an improved version of the pattern.[1]

It works by using four fumaroles and two blocks to hassle two honey farm predecessors. Half of this oscillator can be replaced by a toaster, as shown below.

Image gallery

A related period-25 oscillator that hassles only one honey farm predecessor
RLE: here
The original form of this oscillator used two copies of eater 1 rather than blocks.
RLE: here


  1. "Class 2 Objects Catalog". Retrieved on April 18, 2009.

External links