x = 78, y = 11, rule = B3678/S34678
51bo$44bobobo4boo9bo$bbo42b3ob5obo8bo9boo$bbobo36boobob9o4boobbobobbo
4b5o$3b3o34bob13obb8obbobobb6o$ob5o33b37o$3b3o34bob13obb8obbobobb6o$bb
obo36boobob9o4boobbobobbo4b5o$bbo42b3ob5obo8bo9boo$44bobobo4boo9bo$51b
o!
A head on collision between a rocket and a period 4 ship resulting in
a rocket and a snail.  The new rocket continues in the same direction
as the original one, and the snail continues in the same direction as
the period 4 ship.
David I. Bell, May 1997
