x = 135, y = 67, rule = B3678/S34678 66bobo$64b7o$64b7o$62b11o$62b11o$60b15o$60b15o$62b11o$12bobbobbobbobbo bbobbobbobbobbobbobbobbo37bobbobbobbobbobbobbobbobbobbobbobbobbo$10b 41o33b41o$10b41o33b41o$8b45o29b45o$8b45o29b45o$6b49o25b49o$6b49o25b49o $4b53o21b53o$4b53o21b53o$bb57o17b57o$bb10ob35ob10o17b10ob35ob10o$61o 13b61o$12ob35ob12o13b12ob35ob12o$bbobboo4b3obboobboo4b9o4boobboobb3o4b oobbo17bobboo4b3obboobboo4b9o4boobboobb3o4boobbo$3boobb4o3boobboobb4o 9b4obboobboo3b4obboo19boobb4o3boobboobb4o9b4obboobboo3b4obboo$12bo35bo 37bo35bo$$12bo35bo37bo35bo5$67bo$66b3o$65b5o$64b7o$65b5o$66b3o$67bo5$ 12bo35bo37bo35bo$$12bo35bo37bo35bo$3boobb4o3boobboobb4o9b4obboobboo3b 4obboo19boobb4o3boobboobb4o9b4obboobboo3b4obboo$bbobboo4b3obboobboo4b 9o4boobboobb3o4boobbo17bobboo4b3obboobboo4b9o4boobboobb3o4boobbo$12ob 35ob12o13b12ob35ob12o$61o13b61o$bb10ob35ob10o17b10ob35ob10o$bb57o17b 57o$4b53o21b53o$4b53o21b53o$6b49o25b49o$6b49o25b49o$8b45o29b45o$8b45o 29b45o$10b41o33b41o$10b41o33b41o$12bobbobbobbobbobbobbobbobbobbobbobbo bbo37bobbobbobbobbobbobbobbobbobbobbobbobbo$62b11o$60b15o$60b15o$62b 11o$62b11o$64b7o$64b7o$66bobo! A period 184 "nova" oscillator. This shows an explosion which is perturbed so that it repeats forever. David I. Bell, May 1997