Fill Upper LOX o1, o2, o4, 2x o3 Lower LOX o1, o2, o4 Lower F F2, F3, F4 x 11 Fuel Vent Upper F F3, F4 x 2 Fill and Drain x1 O3 x1 F1 Cable Duct x 12 Cable Duct Bottom x 4 1 Bottom + 3 ducts to required length