function Text()
term.clear()
term.setCursorPos(1,1)

end
fuel = turtle.getFuelLevel()

function Start()
	Text()
		term.write("Treibstoffanzeige: "..fuel)
		term.setCursorPos(1,2)
		term.write("Wie tief soll ich graben? ")
		down = tonumber(read())
		downTwo = down * 2
		
end

function Fuel()
	fuel = turtle.getFuelLevel()
		if fuel > downTwo then
			for i = 1,down do 
		
			turtle.digDown()
			turtle.down()
			turtle.dig()
			turtle.turnLeft()
			turtle.turnLeft()
			turtle.dig()
			end
			down = down -3
			for i 1,3 do 
				turtle.up()
			end
			turtle.select(16)
			turtle.placeDown()	
			for i = 1,down do
				turtle.up()
			end
		else
		Text()
		term.write("Ich habe zuwenig Sprint!")
		term.setCursorPos(1,2)
		term.write("Bitte nachfüllen in Slot 1: ")
		term.setCursorPos(1,3)
		term.write(fuel .. "/"..downTwo)
		turtle.refuel()
		sleep(0.5)
		Fuel()
		end
end



Start()
Fuel()