x = 51, y = 7, rule = B3678/S34678
4bo41bo$4b3o37b3o$bob3obo35bob3obo$oob5o35b5oboo$bob3obo35bob3obo$4b3o
37b3o$4bo41bo!
Two period 32 ships collide to make a four-way symmetrical explosion called
a nova which leaves a piece of junk in the middle called a white dwarf.
The four lobes of the explosion can be perturbed to become spaceships.
David I. Bell, May 1997
