Here's a couple more higher resolution shots if it helps, one with the two plugs you're looking for removed and one with them still in:
The original carpet I pulled was not perforated for the front two that I think you're trying to find. Best of luck!
As an FYI, there's actually 4 drain plugs in the backseat. There are two under the cargo box, but there's also two at the low point where the rear passenger feet would typically be.
I just took my flooring out recently so here's a picture that will hopefully help:
You can see all 4 rear seat...