(until now I had never heard of the kai islands.)
Thread drift. I have. In the early 90s I was involved in the drilling of a very expensive and spectacularly dry exploration well, offshore Kai Besar.
In Indonesian, besar means big and kecil (pronounced ketch-eel) means small. Obvious when you look at the map.
LM, relax, it's only a game. You're not dealing with a HYD 1 or HYD 2 failure!