After decoding the first clue, you uncover another piece of parchment — a long list of numbers. At first glance, it looks random, but a faint drawing of a cave beside it hints that pairs of numbers represent (x, y) coordinates!
Given a row vector a containing an even number of elements, reshape it into a two-column matrix where each row represents one coordinate pair.
This will reveal the positions leading to the Hidden Cave, your next stop on the map.

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Last Solution submitted on Jan 29, 2026

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