(13,1)c/31 Pseudo-B climber

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(13,1)c/31 climber
x = 37, y = 108, rule = B3/S23 o$b2o$2o19$8bo$6bobo$7b2o19$13bobo$14b2o$14bo17$24bo$23b3o$23bob2o$24b o2bo$25b2o$25bo2$22b2o$21bo2$20bobo2bo$20bob3obo$19b3ob2obo$20bobo$20b 3o$21bo8$29bo$27bobo$28b2o19$34bobo$35b2o$35bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ HEIGHT 640 THUMBSIZE 2 GPS 15.5 X 5 Y 10 Z 12 TRACKLOOP 31 1/31 -13/31 ]]
Pattern type Crawler
Speed (13,1)c/31
Direction oblique
Crawls on glider, boat, block, etc.
Discovered by Unknown
Year of discovery Unknown

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Consists of B-heptominoes climbing up gliders or still lifes, but not managing to become Herschels in the process.

The idea of a (13,1)c/31 spaceship was mentioned by Gabriel Nivasch upon completion of the original caterpillar, before any oblique spaceships were found or constructed in Life.[1] Some initial work on helix variants and other crawler-supporting mechanisms was done in 2016.[2]


  1. Gabriel Nivasch (January 2005). "The Caterpillar spaceship". Retrieved on 16 July 2016.
  2. 13131: The B-Heptomino/Glider Spaceship Thread (discussion thread) at the ConwayLife.com forums