User blog comment:CreatorTheta/Only 48 People can Pass Beacons initiation/@comment-10390252-20130917094311

Twenty pillars for 20 pairs or 40 individuals or 10 teams. I've got a feeling they had a few airjets standing by to pick up the washouts before they got eaten.

How does this compare to the number of people in the amphitheatre during commencement at the beginning of episode 3?