fuel fill tube vent orientation

Guys i need help .... brain fart .... i just replaced my fuel tank fill nozzle trunk floor gasket ... the vent tube ... does it go through gasket and sit on under side of trunk floor ?.... the reason i ask ,, is that rubber gasket did not have a provision for the tube to fit through the grommet hole ... only the fill tube ?... also does anybody have a breather tube they can part with that is not bent ?... THANKS