function tanken()
	turtle.select(16)
	turtle.suckUp(1)
	turtle.refuel(1)
	turtle.select(1)
end

function redstone()
	turtle.select(15)
	turtle.suckDown(1)
	turtle.select(1)
end

function setzen()
	turtle.select(15)
	turtle.place()
	turtle.select(1)
end

function obsidian()
	turtle.dropDown()
end

function abbau()
	turtle.dig()
end




while true do
	tank = turtle.getFuelLevel()
	if tank < 10 then
		tanken()
	end
	redi = turtle.getItemCount(15)
	if redi == 0 then
		redstone()
	end
	abbau()
	setzen()
	sleep(10)

end