cc_boden

shell.run("clear")
print("weite")
a = read()

function vor()

turtle.select(1)
for i=1,a do
	if (turtle.detect() == ture) then
		turtle.dig()
		turtle.placeDown()
		turtle.forward()
	else
		turtle.placeDown()
		turtle.forward()
end
end
end

function drehenR()

	turtle.turnRight()
	turtle.forward()
	turtle.select(10)
	turtle.placeDown()
	turtle.turnRight()
end

function drehenL()

	turtle.turnLeft()
	turtle.forward()
	turtle.select(10)
	turtle.placeDown()
	turtle.turnLeft()
end

function zurueck()

turtle.select(2)
for i=1,a do
	if (turtle.detect() == ture) then
		turtle.dig()
		turtle.placeDown()
		turtle.forward()
	else
		turtle.placeDown()
		turtle.forward()
end
end
end

vor()
drehenR()
zurueck()
drehenL()