I really want to know, how many element drops on center arena double boss easy?

Wiki says its 35, but I can only get 16.

10 from ape, 6 from brood.

so I tried the boss again, I got 16 elements again! I really dont understand. Is this correct? How can I get only 16 elements from double boss? Its less than only single ape easy! plz let me know

Please Help !
Thanks !

I didn't find the right solution from the internet.

-Demonstration video