Snakes... Why did it have to be snakes?

Copyable Spreadsheet

You enter the chamber and, to your horror, see a bunch of snakes slithering around! Carefully, you trace a path around them. But then, some of the snakes crawl off towards their nest (as shown in second illustration below). You figure out the proper places in the nest to examine, and find... well, à quoi t'attendais-tu?

Snakes on the Floor

The Snake Nest

Answer: _ _ _  _ _  _ _ _ _ _