x = 38, y = 11, rule = B3678/S34678
11bo$4bobobo4boo9bo$5b3ob5obo8bo9boo$boobob9o4boobbobobbo4b5o$ob13obb
8obbobobb6o$37o$ob13obb8obbobobb6o$boobob9o4boobbobobbo4b5o$5b3ob5obo
8bo9boo$4bobobo4boo9bo$11bo!
The "rocket".
A period 40 c/2 spaceship which creates a big spark at the back.
This ship is the basis of puffers and wickstretchers, among other things.
Nathan Thompson, 1994
