RLE:Eureka

1. C A period 30 pre-pulsar shuttle oscillator found in August 1980

x = 18, y = 11, rule = B3/S23 bo14bo$obo4bo7bobo$bo3b2ob2o6bo$7bo4$7bo$bo3b2ob2o6bo$obo4bo7bobo$bo 14bo!