#CSYNTH xp2_ca9baiczw32 costs 5 gliders (true).
#CLL state-numbering golly
x = 18, y = 16, rule = B3/S23
obo$b2o$bo4$b2o$obo$2bo$9bo$7b2o$8b2o5bobo$15b2o$11b2o3bo$11bobo$
11bo!