#N piston_synth
#O gmc_nxtman
#C Glider synthesis of piston
#C http://conwaylife.com/wiki/piston
x = 32, y = 12, rule = B3/S23
25bobo$25b2o$26bo$13b2o$9b2o2bobo$10b2obo$9bo2$2o$b2o14b2o11bo$o16bobo
9b2o$17bo11bobo!