Note: Refer to http://animemedia.org/vb/showpost.php?p=67169&postcount=4 for future scans.
Well, I just got my May issue of Newtype and scanned this which has info about the next few ep of OP. It seems like in May, there is another cut in the broadcast of OP.
Ratings for OP episoded aired on:
13/2 - 10.6
20/2 - 10.9
27/2 - 10.9
6/3 - 11.5