#N B29 with gliders
#C three ways in which gliders can non-trivially follow a B29
x = 54, y = 16, rule = b3/s23
3b2o18b2o18b2o9b$2b2o18b2o18b2o10b$4bo19bo19bo9b$6b2o18b2o18b2o6b$5bo
19bo19bo8b2$4bo2bo16bo2bo16bo2bo6b$b2obo16b2obo16b2obo9b$2o4bo13b2o4bo
13b2o4bo7b$2bobo2bo14bobo2bo14bobo2bo6b$7bo19bo19bo6b$4bo2bo16bo2bo16b
o2bo6b$5bobo3b2o12bobo2b3o12bobo6b$5bobo2b2o13bobo2bo14bobo4bob$6b2o4b
o13b2o3bo14b2o3b2ob$6bo19bo19bo4bobo!