18363 mm² ... 19685 mm² (TOP in conjunction with side elements COVER…AL)
18363 mm² ... 19783 mm² (TOP in conjunction with side elements COVER…PA)
19166 mm² ... 19685 mm² (BOTTOM in conjunction with side elements COVER…AL)
19262 mm² ... 19783 mm² (BOTTOM in conjunction with side elements COVER…PA)