i am holding indian passport.we are taking msc cruise from naples with port of call to palermo(italy),la goulette(tunisia),palma de mallorca(spain),barcelona(spain),marseilles(france),genoa(italy),naples.we have been given type C schengen visa(2 entries)as the cruise visits 1 nonschengen country.i am worried as all cruise sites say you require multiple entry schengen visa, will we be allowed to board the cruise?