melon loop

function digLane()
  turtle.dig()
  turtle.forward()
  turtle.dig()
  turtle.forward()
  turtle.dig()
  turtle.forward()
  turtle.dig()
  turtle.forward()
end
function switchLane()
  turtle.forward()
  turtle.forward()
  turtle.turnLeft()
  turtle.forward()
  turtle.forward()
  turtle.forward()
  turtle.forward()
  turtle.turnLeft()
  turtle.forward()
end
digLane()
switchLane()
sleep(180)

while true do
  shell.run("melon")
end