Passage: Bacan (Dutch: Batjan), formerly also known as Bachian or Batchian, is the group's largest island. The second and third largest islands are Kasiruta and Mandioli. Bacan includes about 60,000 people of which about 8,000 live in the capital Labuha; it is subdivided into 7 districts. Kasiruta and Mandioli each have over 8,000 inhabitants, and each is subdivided into 2 districts. There are dozens of smaller islands in the group.

Question: What two islands are smaller than Bacan?
Kasiruta and Mandioli