C40 Shock a Contestant Actually Did This!

The preliminaries were divided into points, and the most important part was a free-for-all.

600 were randomly assigned by computer to a total of 20 groups of 30 people in each group.

The score for each group was 1 for the first participant and 2 for the second participant, and so on.

There were a total of two battles, with 400 people eliminated.

That is