while true do
rednet.open("left")
SenderId, msg = rednet.recieve()

if msg == "open" then
	turtle.up()
	turtle.up()
	turtle.dig()
	turtle.up()
	turtle.dig()
	turtle.down()
	turtle.down()
	turtle.down()
end

if msg == "close" then
	turtle.up()
	turtle.up()
	turtle.place()
	turtle.up()
	turtle.place()
	turtle.down()
	turtle.down()
	turtle.down()
end
end