Catacryst

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Catacryst
Catacryst image
Pattern type Breeder
Number of cells 58
Bounding box 2555×1772
Direction Unknown
Period Unknown
Speed Unknown
Discovered by Nick Gotts
Year of discovery 2000

Catacryst is a 58-cell quadratic growth pattern found by Nick Gotts in April 2000. This was formerly the smallest known pattern with superlinear growth, but has since been superseded by the related metacatacryst and 26-cell quadratic growth. The catacryst consists of three arks plus a glider-producing switch engine. It produces a block-laying switch engine every 47616 generations. Each block-laying switch engine has only a finite life, but the length of this life increases linearly with each new switch engine, so that the pattern overall grows quadratically, as an unusual type of MMS breeder.

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