function dig()
	turtle.dig()
	turtle.digUp()
	turtle.up()
end
function tree()

	if turtle.detect() == true then
		dig()
		dig()
		dig()
		dig()
		turtle.down()
		turtle.down()
		turtle.down()
		turtle.down()
		turtle.down()
		turtle.dig()
		turtle.up()
	end
end
repeat
	tree()
	turtle.turnRight()
	tree()
	turtle.turnRight()
	tree()
	turtle.turnRight()
	tree()
	turtle.turnRight()
	sleep(60)
until