args = {...}
stairs = args[1]
function digtunnel ()
	turtle.turnLeft()
	turtle.dig()
	turtle.digUp()
	turtle.up()
	turtle.dig()
	turtle.digUp()
	turtle.up()
	turtle.dig()
	turtle.turnRight()
	turtle.turnRight()
	turtle.dig()
	turtle.down()
	turtle.dig()
	turtle.down()
	turtle.dig()
	turtle.turnLeft()
end
function step ()
	turtle.dig()
	turtle.forward()
	digtunnel()
	turtle.digDown()
	turtle.down()
	turtle.select(1)
	turtle.placeDown()
	turtle.turnLeft()
	turtle.dig()
	turtle.turnRight()
	turtle.turnRight()
	turtle.dig()
	turtle.turnLeft()
end
function fuel()
	for x=1,16 do
		turtle.select(x)
		turtle.refuel()
		x= x + 1
	end
end
for fuck=1,stairs do
	digtunnel()
	step()
	fuel()
end