OTCA metapixel/Snippet

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The OTCA metapixel is a 2048 × 2048 period 35328 unit cell that was constructed by Brice Due from Fall 2005 through Spring 2006. It has many advantages over the previous-known unit cells such as the p5760 unit Life cell and deep cell, including the ability to emulate any Life-like cellular automaton and the fact that, when zoomed out, the ON and OFF cells are easy to distinguish.

It is designed to run quickly under the HashLife algorithm, and thus Golly is generally used to view and/or manipulate meta-patterns made up of OTCA metapixels (and some such patterns even come packaged with Golly).