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The centipede is the third smallest known 31c/240 spaceship after the caterloopillar's 31c/240 variant, and remained the smallest 31c/240 spaceship making use of the 31c/240 reaction (and therefore the smallest period 240 31c/240 spaceship) until the development of the silverfish. It was created by Chris Cain later on the same day as the shield bug and actually reuses most of its circuitry despite of having quite different shape. Its smaller size is due to a more compact front-end that was built by Cain a day earlier.
The centipede ranked second place in the Pattern of the Year 2014 competition in a belated vote held in 2018 on the ConwayLife.com forums, behind the waterbear.