#N Period 8 eater 3
#C A period 8 oscillator.
#C www.conwaylife.com/wiki/index.php?title=Eater_3
x = 20, y = 20, rule = b3/s23
11bo8b$10bobo7b$11bo8b2$9b5o6b$9bo4bo5b$12bo2bo4b$12b2obo2bob$9b2o4bob
obo$4b2o2bo2bo3bo2bob$bo2bo4bobo2b2o4b$obobo5bo9b$bo2bob2o12b$4bob2o
12b$5bo4bo9b$6b5o9b2$8bo11b$7bobo10b$8bo!