70P2H1V0.1

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70P2H1V0.1
x = 12, y = 21, rule = B3/S23 o$4o$2b2o$5bo$6o$6bobo$obob6o$ob2o5b2o$4b2o4b2o$5o4b2o2$5o4b2o$4b2o4b 2o$ob2o5b2o$obob6o$6bobo$6o$5bo$2b2o$4o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 2 ZOOM 12 TRACKLOOP 2 1/2 0 ]]
Pattern type Spaceship
Number of cells 70
Bounding box 12×21
Direction Orthogonal
Period 2
Mod 2
Speed c/2
Speed (unsimplified) c/2
Heat 56
Discovered by Hartmut Holzwart
Year of discovery 1992
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70P2H1V0.1 is a c/2 orthogonal spaceship. A 207-glider synthesis of this spaceship was submitted to Catagolue on July 18, 2020, making this the first period-2 spaceship to be synthesized.[1] Martin Grant subsequently revealed himself to be the author of the synthesis.[2]

References

  1. Ian07 (July 18, 2020). Message in #cgol on the Conwaylife Lounge Discord server
  2. Martin Grant (July 19, 2020). "Small Spaceship Syntheses". Retrieved on July 19, 2020.

External links

  • 70P2H1V0.1 at Heinrich Koenig's Game of Life Object Catalogs