Thumb

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A period 4 thumb
RLE: here

A thumb is a spark-like protrusion that flicks out from an oscillator or other pattern in a manner that resembles a thumb being flicked.

Shown to the right is a period 4 thumb that was found by David Eppstein in June 2000. Dean Hickerson also found a period 9 thumb sparker in October 1998.

External links

Retrieved from "https://conwaylife.com/w/index.php?title=Thumb&oldid=10229"