"One castaway would stand at the top of a tower and pour water down five gutters held by five castaways. The water would fill a barrel, which would release a net of puzzle pieces when full. The four remaining castaways would assemble the puzzle. The first tribe to assemble their puzzle would win." ~ @SurvivorWiki
They do not use the Medallion and get to keep it.
 |  |  |  |  |
 |  |  |  |  |
Proceed to tribe events.