"The castaways would bounce four blocks along a rope tunnel to retrieve them. The blocks would then need to be stacked so that one color didn't show more than once on each column. The first two castaways to solve their puzzle would remain in the game." ~ @SurvivorWiki
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Marissa, Aras, and Tina are at Redemption Island.
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Gervase decides to switch places with Marissa.
Marissa will now join
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Gervase, Aras, and Tina compete.
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Gervase finishes first and advances.
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Tina finishes runner up and advances.
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Aras is eliminated from the game.
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Gervase gives a clue to the hidden immunity idol to John.
Proceed to the immunity challenge.