#CSYNTH xs31_6952gg2u08k8z064k5421zw121 costs 22 gliders (pseudo).
#CLL state-numbering golly
x = 267, y = 29, rule = B3/S23
12bo$11bo$11b3o2$obo$b2o$bo3bobo156bo7bo$5b2o158bo6bobo$6bo156b3o
6b2o2$159b3o$72b2o46b2o39bo6b2o39bo48bo$14bo55bo2bo44bo2bo38bo4b2o
2bo38bobo46bobo$13bo56b3o45b3o44bob2o40bo11bo36bo$13b3o204bo$26bo
43b5o36bo6b5o43b5o36b5o8b3o33b5o$17bo8bobo8bo32bo4bo36b2o4bo4bo42b
o4bo35bo4bo43bo4bo$17bobo6b2o8bo36bo2bo34b2o8bo2bo44bo2bo37bo2bo
45bo2bo$17b2o17b3o34b2obo2b2o40b2obo2b2o40b2obo2b2o33b2obo2b2o41b
2obo2bo$76bobobo43bobobo43bobobo36bobobo37bo6bobobo$76bobo34b2o9bo
bo45bobo38bobo37bobo6bo2bo$22bo52b2ob2o32bobo8b2o2bo43b2o2bo36b2o
2bo37b2o5b2o$20b2o92bo11b2o46b2o39b2o3b2o$21b2o197bobo$220bo35b3o$
6bo62b3o184bo$6b2o15b2o46bo3bo141b2o38bo$5bobo14b2o46bo3b2o140bobo
$24bo49bobo141bo!