Final HOH Competition, Part #1

Hello, houseguests! It's time for the 1st part of your HOH competition! You will have to play this game known as Color Bricks, seen here:

The person with the highest score by December 18th, 14:00 UTC will advance to part 3, with a 50% shot of being the final HOH. The losers must compete against each other in part 2, where the person who loses that competition will be out of the running for HOH. The winner of part 2 will compete against the winner of this competition in part 3, where the part 3 winner will not only go to the final 3, but will choose who will sit next to them in front of the jury out of their two competitiors.