x = 41, y = 37, rule = B3678/S34678
19bo$$19bo$$19bo$$19bo$$19bo$$19bo$$19bo$$5boo12bo6boo$8b4o4boo3b4o8b
4o$3b5o4b4obb3o4b8o4bo$b4obb12ob6obb12o$b39o$5obb12ob6obb13o$oob5o4b4o
bb3o4b8o4boboo$8b4o4boo3b4o8b4o$5boo12bo6boo$$19bo$$19bo$$19bo$$19bo$$
19bo$$19bo$$19bo!
Period 256 spark oscillator.
It has single large spikes (slightly offset) at generations 0 and 128.
The sparks can be made two bits wide by duplicating the spike's column.
Dean Hickerson, April 1997
