#N Time bomb #O Doug Petrie #C An infinite-growth mechanism that is a predecessor of the diagonal period 384 c/12 glider-producing switch engine. #C www.conwaylife.com/wiki/index.php?title=Glider-producing_switch_eng #C ine x = 15, y = 6, rule = b3/s23 bo11b2o$obo4bo6bo$7bo4bo2b$2bo2bo3bo2bo2b$2b2o6bo4b$3bo!