x = 33, y = 31, rule = B3678/S34678
16bo$$16bo$$16bo$$16bo$$16bo$$16bo$5boo19boo$8b4o4bo4b4o$3b5o4b4ob4o4b
5o$b4obb19obb4o$b15ob15o$5obb19obb5o$oob5o4b4ob4o4b5oboo$8b4o4bo4b4o$
5boo19boo$16bo$$16bo$$16bo$$16bo$$16bo$$16bo!
A period 106 spark oscillator.
The large spark can become a two-bit spark if the central column is
duplicated.
Dean Hickerson, April 1997
