#N Bi-gun
#O Bill Gosper
#C A true period 46 double-barreled glider gun.
#C www.conwaylife.com/wiki/index.php?title=Bi-gun
x = 50, y = 15, rule = b3/s23
11bo38b$10b2o38b$9b2o39b$10b2o2b2o34b$38bo11b$38b2o8b2o$39b2o7b2o$10b
2o2b2o18b2o2b2o10b$2o7b2o39b$2o8b2o38b$11bo38b$34b2o2b2o10b$39b2o9b$
38b2o10b$38bo!