left

if peripheral.isPresent("right") then
  rednet.open("right")
  else
  rednet.open("left")
end

local tArgs = {...}

turtle.turnLeft()
turtle.forward()
turtle.turnLeft()

rednet.broadcast("back")
sleep(0.5)
rednet.broadcast("left")
sleep(0.5)
for i=1,tArgs[1] do
  rednet.broadcast("move")
  sleep(0.5)
end
rednet.broadcast("left")
sleep(0.5)
rednet.broadcast("back")