run = 1
while true do

if turtle.getFuelLevel()<5 do
	turtle.select(1)
	turtle.refuel()
	turtle.refuel()
	turtle.refuel()
end

modem = peripheral.wrap("right")
modem.open(0)
event, modemSide, senderChannel, replyChannel, message, senderDistance = os.pulEvent("modem_message")
modem.transmit(0, 1, "Hello world!")
	while run==1 do


	for i=1,3 do
	for i=1,6 do
		for i=1,6 do
			turtle.dig()
			turtle.up()
		end
		for i=1,5 do
		turtle.down()
		end

		turtle.forward()
		turtle.select(2)
		turtle.placeDown()
		turtle.forward()
		turtle.down()
	end

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

	if turtle.getFuelLevel()<20 do
		turtle.select(1)
		turtle.refuel()
		turtle.refuel()
		turtle.refuel()
	end

	for i=1,6 do
		for i=1,6 do
			turtle.dig()
			turtle.up()
		end
		for i=1,5 do
			turtle.down()
		end

		turtle.forward()
		turtle.select(2)
		turtle.placeDown()
		turtle.forward()
		turtle.down()
	end

	turtle.turnRight()
	turtle.forward()
	turtle.forward()
	turtle.turnRight()
	end
turtle.turnRight()

for i=1,12 do
	turtle.forward()
end
turtle.turnLeft()

end
end