#N Radial pseudo-barberpole
#O Gabriel Nivasch
#C A radially symmetric relative of the pseudo-barberpole
x = 13, y = 13, rule = b3/s23
10b2ob$2o9bob$o8bo3b$2b2o3bobo3b2$3bobobo5b2$5bobobo3b2$3bobo3b2o2b$3b
o8bo$bo9b2o$b2o!