x = 65, y = 55, rule = B3678/S34678
32bo$$32bo$$32bo$$32bo$$32bo$$32bo$$32bo$$32bo$$32bo$$32bo$$32bo$$32bo
$27boo7boo$4b8obboobb4o10bo10b4obboobb8o$3bo8boobboo4b10ob10o4boobboo
8bo$b26obb7obb26o$b31ob31o$27obb7obb27o$oobo8boobboo4b10ob10o4boobboo
8boboo$4b8obboobb4o10bo10b4obboobb8o$27boo7boo$32bo$$32bo$$32bo$$32bo
$$32bo$$32bo$$32bo$$32bo$$32bo$$32bo$$32bo$$32bo!
Period 440 spark oscillator.
The spark can be made into two bit sparks by duplicating the central column.
David I. Bell, May 1997
