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b2o2bob2o$o2bo2b2o$bobo$2bo$8bo$6b3o$5bo$6bo$7b2o! #C [[ THEME 6 GRID GRIDMAJOR 0 THUMBLAUNCH AUTOSTART ]] #C [[ AUTOFIT TRACKLOOP 7 -1/7 0 THUMBSIZE 2 GPS 5 HEIGHT 480 WIDTH 480 ]]
Pattern type Spaceship
Number of cells 20
Bounding box 9×9
Direction Orthogonal
Period 7
Mod 7
Speed c/7
Heat 14.6
Discovered by Josh Ball
Year of discovery 2013

Loafer is a c/7 orthogonal spaceship found by Josh Ball on February 17, 2013. Its name refers to its slow speed and loaf-pushing behaviour.

It is the fifth smallest known spaceship in terms of cell count (after glider, lightweight spaceship, middleweight spaceship and heavyweight spaceship), excluding some nontrivial flotillae. Despite this, it has not been seen to come out of soup.


Adam P. Goucher found an 18-glider synthesis for this spaceship on the day of its discovery, and Matthias Merzenich reduced this to 8 gliders the following day.[1] Two loafer guns were built by Shannon Omick on February 19th of the same year, using these syntheses.[2]

Uses and reactions

Paul Tooke built a sawtooth, that uses loafer's ability to turn a middleweight spaceship into a loaf.[3]

Mike Playle found a stable loafer-to-Herschel conduit, apparently by means of the same search program (or its earlier version), that gave the world the snark a month and a half later.[4]

On 11 June 2016, Simon Ekström created a loafer-to-glider conduit, based on a loafer-to-pi found by Aidan F. Pierce and rediscovered a year later by muzik.[5][6]

Loafer can be cleanly destroyed by an eater 1 positioned at the loafer's foot.


Loafer about to get eaten by an eater 1.

See also


  1. Adam Goucher (March 10, 2013). "c/7 Orthogonal Spaceship". Retrieved on March 16, 2013.
  2. Shannon Omick (February 18, 2013). "Re: c/7 orthogonal spaceships". Retrieved on March 6, 2016.
  3. Paul Tooke (February 22, 2013). "Re: c/7 orthogonal spaceships". Retrieved on October 2, 2013.
  4. Mike Playle (March 9, 2013). "Re: c/7 orthogonal spaceships". Retrieved on October 22, 2014.
  5. Aidan F. Pierce (18 February 2015). "Re: The Hunting of the New Herschel Conduits". Retrieved on 4 July 2016.
  6. simeks (11 June 2016). "Re: Thread For Requesting Help". Retrieved on 12 June 2016.

External links