#N P11 pinwheel
#O Nicolay Beluchenko
#C Rotationally symmetric p11 oscillator discovered in May 2009.
#C http://www.conwaylife.com/wiki/P11_pinwheel
#C http://www.conwaylife.com/patterns/p11pinwheel.rle
x = 23, y = 23, rule = B3/S23
7b2o$7bobo$9bo3$5bo3bo5b3o$5bo2bo4b3o$5b2o7bo6b2o$6b4o4bobo5bo$6bo2b2o
2b2o2bo2b2o$13bo2$9bo$b2o2bo2b2o2b2o2bo$o5bobo4b4o$2o6bo7b2o$7b3o4bo2b
o$5b3o5bo3bo3$13bo$13bobo$14b2o!