rednet.open("left")
r=peripheral.wrap("right")
function doShow()
for i=1,64 do
  r.launch(1, math.random(2,7), math.random(8,10))
  sleep(math.random(1,3))
 end
end
id, message = rednet.receive()
if message == "doShow" then
 print("Starting show.")
 doShow()
end