This line is divided into 3 groups and 10 routes in total: 
   A. From North Indian Ocean to Mediterranean to Northwest Europe route; From Southeast Africa to West Africa to East coast of South America route; From Australia to New   Zealand to Pacific Islands route; Southeast Asia Route; West coast route of North America; From Caribbean to North America east coast route; South America west route
   B. From east of North America to west coast route; South America west route
   C. From east of North America to west coast route; South America west route; Total of 30 countries or so along the above routes.