Revision history of "2010 OIM Problems/Problem 6"

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  • (cur | prev) 15:14, 14 December 2023Tomasdiaz (talk | contribs). . (367 bytes) (+367). . (Created page with "== Problem == 12 people sit around a circular table on which there are 28 vases. Two people can see each other if and only if there is no vase aligned with them. Prove that th...")