#N Bumper
#O Tanner Jacobi
#C A small, color-preserving 90° glider reflector with a repeat time of 34.
#C http://conwaylife.com/wiki/Bumper
x = 21, y = 9, rule = B3/S23
7b2o$6bo2bo4b2o$6bobo5b2o$7bo2$2b2o9b3o$3bo9b2obo2b2o$3o12b2o2b2o$o14b
2o!