Summarization levels in CO-PA extractor

HI Experts :

I am working on creating additional co-pa extractor. I got the requirement like below:

create the extractor for

CoArea 1100 is using summarization level 3

CoArea 1200 is using summarization level 8

CoArea 1660 is using summarization level 10

CoArea 1550 is using summarization level 20

always using the same info provider .

We are creating the additional extractor . So please any one help creating the extractor using these summarization levels .Please provide me some tips or some steps to create the additional extractor ..(Operating concern already exists)

Thanks in advance.

Reddy