#N Blinker fuse
#C An orthogonal 2c/3 period 18 fuse that burns cleanly through blinkers.
#C www.conwaylife.com/wiki/index.php?title=Blinker_fuse
x = 25, y = 5, rule = b3/s23
2o2bob2o17b$5obobo16b$8bob3ob3ob3ob3o$5obobo16b$2o2bob2o!