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Swan image
Pattern type Spaceship
Number of cells 49
Bounding box 24×12
Direction Diagonal
Period 4
Mod 4
Speed c/4
Speed (unsimplified) c/4
Heat 51.0
Discovered by Tim Coe
Year of discovery 1996

Swan is a c/4 diagonal spaceship producing some useful sparks. It was found by Tim Coe in February 1996. On February 20, 1996 Noam Elkies noticed that it could be made into a small boatstretcher. It can also be combined non-trivially with a Canada goose. In November 2000 Jason Summers found a period 8 glide-reflective tagalong for two swans. This was the first c/4 diagonal spaceship with a period other than 4 to be found.

Image gallery

Two swans pulling a period 8 tagalong (in green)
RLE: here
A swan stretching a boat. If the boat is changed to a tub then this is called tiretrak.
Download RLE: click here

See also

External links

  • 49P4H1V1.1 at Heinrich Koenig's Game of Life Object Catalogs