startup

turtle.refuel()
rednet.open("left")
local i = 1
repeat
id,message = rednet.receive()
if message == "forwards" then
  turtle.forward(1)
  end
if message == "left" then
  turtle.turnLeft(1)
  end
if message == "right" then
  turtle.turnRight(1)
  end
if message == "back" then
  turtle.back(1)
  end
until i==2