this might start to be annoying for u guys, but i've tried to wrote "pipe 2.5 -0.7 0.9" or "pipe4 2.5 -0.7 0.9", neither worked.
i'm sending my text file below, so that you can test it in your game, and see if it works. thanks http://www.megaupload.com/?d=RU014HF9