Period-246 glider gun

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Period-246 glider gun
x = 43, y = 38, rule = B3/S23 34bo$34b3o$32b2o3bo$31bobob2obo$32bobobobo$36bob2o$33bo2bo$34bobo$33b 2ob2o2$2o$bo20b2o$bobo16b2o3bo$2b2o21bo15b2o$19bo5bo15bo$20bo3bo14bobo $21b3o15b2o7$29b2o$29b2o$22b2o$21bo$22b2o3$5b4o$4bo4bo$3bobo3bo$2bobo 3bo$2bo$2bo$2bo2bo$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBSIZE 2 GPS 41 HEIGHT 480 Z 10 T 116 PAUSE 2 T 239 PAUSE 2 LOOP 1230 ]]
Pattern type Gun
Number of cells 81
Bounding box 43×38
Period 246
Barrels 2
Discovered by David Buckingham
Year of discovery 1996

Period-246 glider gun is a true period glider gun with period 246, discovered by Dave Buckingham in June 1996. The 180-degree mod-123 symmetry of its bookend-based engine makes it trivial to modify it into a double-barrelled gun.

Upon the discovery of R49, Aidan F. Pierce noted that the same stable catalyst can also support the inactive part of the gun.[1]


  1. Aidan F. Pierce (October 4, 2019). Re: Oscillator Discussion Thread (discussion thread) at the forums

External links