#CXRLE Pos=-28,-30
#N p56-gun-in-strobing-checkerboard.rle
#O Feng Geng (shouldsee), 24 February 2017
#C
#C The rule has a period-2 checkerboard agar that expands toward 
#C vacuum at its chaotic boundaries. A period-56 rotating gun for a
#C c/2 diagonal "spaceship" (or rather agar crawler) lives inside.
#C
#C Reference:
#C https://conwaylife.com/forums/viewtopic.php?p=40894#p40894
x = 56, y = 61, rule = B2-an3aejkr4-acikn5n6-ce7e/S1c2in3aejkr4ejkqtz5ckq6-a:T56,0
2b2o2bo5b4ob2ob5o5b3obob2ob3o3bob2o5b2o$b3o4bo5b3o4b2o2bobo2bo3bobobo
2bob2ob3o3b4o$2o3bobo3b5o3b2ob2obo6b2obo4b3obo3b2o2b3o$bobobobobobobob
obobobobobobobobobobobobobobobobobobobobo$obobobobobobobobobobobobobob
obobobobobobobobobobobobobo$bobobobobobobobobobobobobobobobobobobobobo
bobobobobobobo$obobobobobobobobobobobobobobobobobobobobobobobobobobobo
$bobobobobobobobobobobobobobobobobobobobobobobobobobobobo$obobobobobob
obobobobobobobobobobobobobobobobobobobobobo$bobobobobobobobobobobobobo
bobobobobobobobobobobobobobobo$obobobobobobobobobobobobobobobobobobobo
bobobobobobobobo$bobobobobobobobobobobobobobobobobobobobobobobobobobob
obo$obobobobobobobobobobobobobobobobobobobobobobobobobobobo$bobobobobo
bobobobobobobobobobobobobobobobobobobobobobobo$obobobobobobobobobobobo
bobobobobobobobobobobobobobobobo$bobobobobobobobobobobobobobobobobobob
obobobobobobobobobo$obobobobobobobobobobobobobobobobobobobobobobobobob
obobo$bobobobobobobobobobobobobobobobobobobobobobobobobobobobo$obobobo
bobobobobobobobobobobobobobobobobobobobobobobobo$bobobobobobobobobobob
obobobobobobobobobobobobobobobobobo$obobobobobobobobobobobobobobobobob
obobobobobobobobobobo$bobobobobobobobobobobobobobobobobobobobobobobobo
bobobobo$obobobobobobobobobobobobobobobobobobobobobobobobobobobo$bobob
obobobobobobobobobobobobobobobobobobobobobobobobobo$obobobobobobobobob
obobobobobobobobobobobobobobobobobobo$bobobobobobobobobobobobobobobobo
bobobobobobobobobobobobo$obobobobobobobobobobobobobobobobobobobobobobo
bobobobobo$bobobobobobobobobobobobobo5bo5bobobobobobobobobobo$obobobob
obobobobobobobobobobobo3bobobobobobobobobobobo$bobobobobobobobobobobob
obo3b2o2bo3bobobobobobobobobobo$obobobobobobobobobobobobobob2ob2obobob
obobobobobobobobo$bobobobobobobobobobobobo3bo2b2o3bobobobobobobobobobo
bo$obobobobobobobobobobobobobo3bobobobobobobobobobobobobo$bobobobobobo
bobobobobobo5bo5bobobobobobobobobobobo$obobobobobobobobobobobobobobobo
bobobobobobobobobobobobo$bobobobobobobobobobobobobobobobobobobobobobob
obobobobobo$obobobobobobobobobobobobobobobobobobobobobobobobobobobo$bo
bobobobobobobobobobobobobobobobobobobobobobobobobobobo$obobobobobobobo
bobobobobobobobobobobobobobobobobobobobo$bobobobobobobobobobobobobobob
obobobobobobobobobobobobobo$obobobobobobobobobobobobobobobobobobobobob
obobobobobobo$bobobobobobobobobobobobobobobobobobobobobobobobobobobobo
$obobobobobobobobobobobobobobobobobobobobobobobobobobobo$bobobobobobob
obobobobobobobobobobobobobobobobobobobobobo$obobobobobobobobobobobobob
obobobobobobobobobobobobobobo$bobobobobobobobobobobobobobobobobobobobo
bobobobobobobobo$obobobobobobobobobobobobobobobobobobobobobobobobobobo
bo$bobobobobobobobobobobobobobobobobobobobobobobobobobobobo$obobobobob
obobobobobobobobobobobobobobobobobobobobobobo$bobobobobobobobobobobobo
bobobobobobobobobobobobobobobobo$obobobobobobobobobobobobobobobobobobo
bobobobobobobobobo$bobobobobobobobobobobobobobobobobobobobobobobobobob
obobo$obobobobobobobobobobobobobobobobobobobobobobobobobobobo$bobobobo
bobobobobobobobobobobobobobobobobobobobobobobobo$obobobobobobobobobobo
bobobobobobobobobobobobobobobobobo$bobobobobobobobobobobobobobobobobob
obobobobobobobobobobo$2obo2b5o2bo6b2obo4bo2b2obobo3b3o3b3obo3b2o$o3b4o
b4o2b2o2bobo2bo2bobo3bo2bo7bob5o2bobo$o2b2o5b4o3bobobo2bob7ob3o2b2o3b
4o6b2o$2ob6o3bo3bobob2o4b5obo2bob2o5b2ob3o5bo$2o5b3ob3ob2o2b6o3b7ob2o
2b2obo2bo4b2ob2o!
