Originally Posted by
pandaperth
In your case, you could fly to Nth America, have six stopovers there - no restrictions on Carribean stops, then to Sth America and have four stops there, then back to Asia - all for a xONE3 price. No mileage restrictions either.
...but if the OP wants to include Oz in the itinerary, a xONE3 is impossible.