37P4H1V1.2

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37P4H1V1.2
x = 18, y = 18, rule = B3/S23 13b2o$13bobo$13bo$16bo$15bobo$15bobo$15bo$15bo$11bo3bo$10b3obo$9b2o$8b 2o$9bo$3o$o8bo$bo2b5o$3bo$4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ TRACKLOOP 4 -1/4 -1/4 THUMBSIZE 2 GPS 4 ]]
Pattern type Tagalong
Spaceship
Number of cells 37
Bounding box 18 × 18
Direction Diagonal
Period 4 (mod: 4)
Speed c/4 | c/4
Heat 37.5
Kinetic symmetry /
Discovered by Hartmut Holzwart
Year of discovery 2004

37P4H1V1.2 is one of two possible period-4 c/4 diagonal spaceships with 37 cells. This spaceship is perhaps the smallest known spaceship with diagonal mirror symmetry, discounting pseudo-objects; all c/4 diagonal spaceships smaller than this are either glide-symmetric (like the glider) or outright asymmetric (like the B29).

Glider synthesis

37P4H1V1.2 is among the smallest spaceships with no known glider synthesis as of August 2024.

See also

External links