startup

while true do
  turtle.select(1)

  turtle.placeDown()

  os.sleep(1)

  turtle.place()

  os.sleep(1)

  turtle.select(2)

  turtle.place()

  os.sleep(1)

  turtle.select(3)

  local j = 0

  for j=0, 3, 1 do
    turtle.place()

    os.sleep(1.5)
  end

  os.sleep(30)

end