Swan

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 period-4 to be found.

Swan
<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 24, y = 12, rule = B3/S23 bo10b2o$5o6b2o$o2b2o8bo7b2o$2b2obo5b2o6b3obo$11b2o3bob2o$5bobo6b2o$10b 3obo4bo$7b3o3bo4bo$8bo7bo$8bo6bo2$11bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ GPS 2 ZOOM 16 TRACKLOOP 4 -1/4 -1/4 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> <html></noscript></canvas></div></html>
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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
<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 28, y = 28, rule = B3/S23 5b2obo7b3o$5bo3bo6bo$5bo4bo7bo7b2o$7b2o7bobo4b2obo$9bobo4b3obo2b2o$3o 12bo3b2o2b2o$o10b2ob4ob2o$3bo8b7o$o2bo$bo2bo$2bo$4bobo$6b2o$7bo6b3o$6b 2o6bo2bo$5b3o5bo3bo$2ob2ob2o7bo$o3bob2o9b2o$ob3o2bo5bo6bo$5b2o8b3o3bo$ 4b3o14bo$19bo$20bo$3b3o$3b3o2$2b2o$2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART GPS 2 ZOOM 9 TRACKLOOP 8 -1/4 -1/4 ]]<html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html>
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Two swans pulling a period 8 tagalong
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<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 24, y = 15, rule = b3/s23 12b2o10b$3o9bobo9b$o2b3o6bo9bob$bobo16b2obo$6bo4b2o2bo3b2o2bo$4bo6b2o 2bob2o2bo2b$6bob2obo3b5o4b$15b2o7b$7bo2b6o8b$8b7o9b$10b3o11b2$13bo10b$ 12bobo9b$13b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html>
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A swan stretching a boat
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RLE: here Plaintext: here
gollark: Logically impossible.
gollark: Well, I'll remove you from the suspected sentient ant list.
gollark: Oh, phones, of course.
gollark: Unfortunately, things.
gollark: Anyway, what would be quite cool is if consumer AR glasses ever actually happened, so you could get a convenient overlay from infrared cameras and time of flight sensors when it was dark.

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