The anneal (B4678/S35678) <a href="https://en.wikipedia.org/wiki/Life-like_cellular_automaton" class="extiw" title="en:Life-like cellular automaton">Life-like cellular automaton</a>, 1600 generations after starting from a random initial state, shown at a scale of 4:1 (16 cells per pixel).
<a href="//commons.wikimedia.org/wiki/User:David_Eppstein" class="mw-redirect" title="User:David Eppstein">David Eppstein</a>
<span class="int-own-work" lang="en">Own work</span>