MAX, the smallest known example of a "spacefiller" This is the fastest-growing known pattern in Conway's Game of Life (possibly the fastest possible). It fills space to a density of 1/2, conjectured to be the maximum density, and does it at a speed of c/2 in each of the 4 directions, which has been proven to be the maximum possible speed. Population growth is [(t+19)^2+463]/4 for t divisible by 4; . [(t+19)^2+487]/4 for t even, not div. by 4; . [(t+18)^2+639]/4 for t odd. Original construction, top/bottom stretchers by Hartmut Holzwart; Size optimization, left/right stretchers by David Bell; Original idea, middle part, l/r stretcher connection by Al Hensel. This spacefiller by David Bell, September 1993.Xref: stretch

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