shaft

tArgs = { ... }
togo = tonumber(tArgs[1])

function compare()
	for c=1,4 do
	turtle.select(c)
		if not turtle.compare(c) then
		turtle.dig()
		sleep(.2)
		end
	end
end
function spin()
	for s=1,4 do
	compare()
	sleep(.2)
	turtle.turnRight()
	end
end

function home()
	while not turtle.detectUp() do
	turtle.up()
	end
end

for i=1,togo do
turtle.digDown()
spin()
turtle.down()
end

home()
turtle.back()