Introspection
Check your answer below.
(Or view the solution.)

This puzzle takes place entirely in a spreadsheet. During the hunt itself, teams had their own copy. If you would like to solve the puzzle, you can make a copy of the following sheet:

https://docs.google.com/spreadsheets/d/1ybpt9gceffocvKU3XgTu0YUDI8pecuOGjKTZ0PSEWT8/edit?usp=sharing