Well, no, 16 hairpin bends are not enough to complete the entire loop. 16 are the hairpin bends to the Falzarego pass, 13 km of pure pleasure with spectacular panoramic points.
"Da Ciaulonch a Fauzare ruon con puoch plu de n vare", as the Ladins say. From Campolongo pass to Falzarego pass it only takes little more than one step.