#C p120 shuttle x = 36, y = 18, rule = B35/S236 4b2o$4bo$4bobo$5b2o$o32bo$o32bo2$bo32bo$b2o7b2o22b2o$2o7b3o21b2o$o9b2o 21bo4$30b2o$31bo$29bobo$29b2o!