Puffer 2

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Puffer 2
Puffer 2 image
Pattern type Puffer
Direction Orthogonal
Period 140
Speed c/2
Number of cells 22
Bounding box 18×5
Discovered by Bill Gosper
Year of discovery Unknown

Puffer 2 was the second puffer to be found and was discovered by Bill Gosper. 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. Its debris can be stabilized by a third lightweight spaceship as in ecologist.

See also

External links

  • Puffer at Eric Weisstein's Treasure Trove of Life