30P4H2V0.4

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30P4H2V0.4
b3o$o2bo6b3o$o4bo4bo2bo$3bobo2bo4bo$2o4bobobo$5bobo4b2o$3bo4bo$4bo5bo$ 9bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ TRACKLOOP 4 0 -1/2 THUMBSIZE 2 GPS 4 ]]
Pattern type Spaceship
Number of cells 30
Bounding box 14×9
Direction Orthogonal
Period 4
Mod 4
Speed c/2
Speed (unsimplified) 2c/4
Heat 32.5
Discovered by Unknown
Year of discovery Unknown

30P4H2V0.4 is a spaceship. It is one of the relatively few spaceships that can be constructed by gliders, though the best available still-life constellation seed for the final construction stage (found by Tanner Jacobi on 10 September 2015) is unusually complex. It maintains a singly skewed D2_+2 symmetry — an extremely unusual symmetry both in Life and in 2D square-grid CAs in general — in three out of its four phases.

External links

  • 30P4H2V0.4 at Heinrich Koenig's Game of Life Object Catalogs