Bricklayer

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Bricklayer
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Pattern type Miscellaneous
Number of cells 968
Bounding box 141 × 88
Discovered by David Bell
Year of discovery 2002

Bricklayer is a linear-growth pattern that was constructed by David Bell on September 29, 2002. It builds two ever-lengthening diagonal lines of blocks starting at the bottom-left of the pattern.[1] It works by firing gliders from two period-154 glider guns, each a combination of three period-22 glider guns, and reflecting one glider with a p7 bouncer, to support the lumps of muck reaction.

The pattern is indirectly available from Golly's collection. To retrieve it, run either of the following scripts: Scripts/Lua/bricklayer.lua or Scripts/Python/bricklayer.py.

A 232-glider synthesis for a larger bricklayer variant with 34P14 shuttle was found by Entity Valkyrie on January 4, 2020.[2]

Gallery

Generation 1500 of bricklayer
The bricklayer laying two rows of blocks

See also

References

  1. Jason Summers' jslife pattern collection. Retrieved on June 6, 2009.
  2. Entity Valkyrie (January 4, 2020). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums