ReturnRight

rednet.open("right")
rednet.broadcast("ReturnRight")
i=0
function forward()
	if turtle.detect() == true then
		repeat
			sleep(1)
		until turtle.detect() == false
	end
	if turtle.detect() == false then
		turtle.forward()
		i=i+1
	end
end
while true do
	turtle.turnRight()
	repeat
		forward()
	until i==16
	turtle.turnRight()
	error()
end