Period-45 glider gun

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Period-45 glider gun
x = 48, y = 40, rule = B3/S23 15bo2bo2bo$15b7o2$15b7o$15bo2bo2bo6$16bo2bo$12b2o2bo2bo$12b2o2bo2bo7b 2o$27b2o4b2o3bo2bo3b2o$33b5o4b5o$33b2o3bo2bo3b2o$27b3o2$2ob2o$bobo23b 3o$bobo6b3o$2ob2o29bobo$bobo31b2o$bobo6b3o22bo$2ob2o2$11b2o$11b2o7bo2b o2b2o$20bo2bo2b2o$20bo2bo3$47bo$45bobo$46b2o$18bo2bo2bo$18b7o2$18b7o$ 18bo2bo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]]
Pattern type Gun
Number of cells 147
Bounding box 47×38
Period 45
Barrels Unknown
Discovered by Matthias Merzenich
Year of discovery 2010

Period-45 glider gun is a true period 45 gun discovered by Matthias Merzenich in 2010, with improvements by Adam P. Goucher and Dave Greene.[1]. It consists of an object hassled by pentadecathlons.

A further improvement by Tanner Jacobi in 2015, replacing three of the pentadecathlons with custom still-lifes, is given on the right.[2]

Image gallery

Original period 45 glider gun.

External links


  1. Matthias Merzenich (April 29, 2010). "Re: Pattern of the Year 2010 competition". Retrieved on March 18, 2016.
  2. Tanner Jacobi (April 12, 2015). "Re: Execution of Old Guns by Variable-Speed Firing Squad". Retrieved on March 18, 2016.