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134P25 image
Pattern type Oscillator
Number of cells 134
Bounding box 35×23
Period 25
Mod Unknown
Heat 51.2
Volatility 0.64
Discovered by Noam Elkies
Year of discovery 1994

134P25 is an unnamed period 25 oscillator. It was the first period 25 oscillator to be found,[1] and was discovered by Noam Elkies on September 23, 1994. In its original form it used toasters instead of eater 1s.

It works by using two middleweight volcanos to push two T-tetrominoes three cells in 14 generations and then back in 11 generations.


  1. Dean Hickerson's oscillator stamp collection. Retrieved on April 17, 2009.

External links