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 | 1971 | ||||||||
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This article needs to be expanded with: The Glider-producing puffer 2, which produces gliders and Big S indefinitely. |
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, or a glider as in sidewinder. 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