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7b2obo5b$4b2obob2ob3ob$b4o2b2o6bo$o4bo3bo3b2ob$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ TRACKLOOP 3 0 -1/3 THUMBSIZE 3 GPS 3 HEIGHT 240 WIDTH 660 ]]
Pattern type Spaceship
Number of cells 25
Bounding box 16 × 5
Direction Orthogonal
Period 3
Mod 3
Speed c/3
Speed (unsimplified) c/3
Heat 20
Discovered by Dean Hickerson
Year of discovery 1989

25P3H1V0.1 is an unnamed c/3 orthogonal spaceship discovered by Dean Hickerson in August 1989,[1] being one of the first c/3 spaceships to be discovered.[2] In terms of its 25 cells, it is tied with 25P3H1V0.2 as the smallest c/3 spaceship, although unlike that ship, it has a population of 25 in all of its phases, as well as a smaller bounding box. It also has edge-repair capacities.

Additional components

This spaceship is capable of pulling a 16-cell tagalong, resulting in a 41-cell spaceship.


Main article: List of common spaceships

At 25 cells, it is one of the three smallest spaceships yet to appear from soup, alongside crab and 25P3H1V0.2.

Glider synthesis

Martin Grant discovered a glider synthesis for 25P3H1V0.1 on January 6, 2015.[3] Goldtiger997 and Tanner Jacobi reduced this synthesis to 19 gliders on October 5, 2020, making 25P3H1V0.1 the second cheapest c/3 spaceship to construct, after Edge-repair spaceship 1's 17.[4][5]

See also


  1. "Re: [Golly-test] Lexicon checkin for Golly 3.2". Dean Hickerson (Jun 8, 2018). Retrieved on Nov 27, 2019.
  2. David Bell's archive of c/3 ships and puffers in Life
  3. Martin Grant (January 6, 2015). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
  4. Goldtiger997 (October 5, 2020). Message in #cgol on the Conwaylife Lounge Discord server
  5. Tanner Jacobi (October 5, 2020). Message in #cgol on the Conwaylife Lounge Discord server

External links