Puffer 2
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Puffer 2 | |||||||||||
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Pattern type | Puffer | ||||||||||
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Number of cells | 22 | ||||||||||
Bounding box | 18×5 | ||||||||||
Direction | Orthogonal | ||||||||||
Period | 140 | ||||||||||
Speed | c/2 | ||||||||||
Discovered by | Bill Gosper | ||||||||||
Year of discovery | Unknown | ||||||||||
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Puffer 2 was the second puffer to be found and was discovered by Bill Gosper.[1] It is extremely dirty and its tail does not stabilize until generation 5533, after which it stays at period 140. It consists of a B-heptomino (shown here one generation before its standard form) escorted by two lightweight spaceships at a period of 20. Its debris can be stabilized by a third lightweight spaceship as in ecologist. A pulsar is formed at the south-western side in generation 4957.
See also
References
- ↑ Robert Wainwright (September 1971). Lifeline, vol 3, page 6.
External links
- Puffer 2 at the Life Lexicon