The following p5 oscillator with a minimum population of 196 cells, which is the only known p5 oscillator other than the starfish. Discovered by Josh Ball.

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x = 48, y = 48, rule = s0/b2
21b6o3$21b2o2b2o$22b4o$22bo2bo2$18bobo2b2o2bobo$19bo8bo$19bo2bo2bo2bo
3$17bo4bo2bo4bo2$21bo4bo2$21bo4bo$12bo4bo12bo4bo$7bo12bobo2bobo12bo$8b
2o12b4o12b2o$7bo10bobobo2bobobo10bo$o2bo10bobo14bobo10bo2bo$o2b3o3bo2b
o5b3obo2bob3o5bo2bo3b3o2bo$o3bo2bo11bo8bo11bo2bo3bo$o3bo2bo11bo8bo11bo
2bo3bo$o2b3o3bo2bo5b3obo2bob3o5bo2bo3b3o2bo$o2bo10bobo14bobo10bo2bo$7b
o10bobobo2bobobo10bo$8b2o12b4o12b2o$7bo12bobo2bobo12bo$12bo4bo12bo4bo$
21bo4bo2$21bo4bo2$17bo4bo2bo4bo3$19bo2bo2bo2bo$19bo8bo$18bobo2b2o2bobo
2$22bo2bo$22b4o$21b2o2b2o3$21b6o!