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A problem by brittany gutknecht

Level pending

A grid with 3 rows and 52 columns is tiled with 78 identical 2 x 1 dominoes. How many ways can this be done in such a way that two dominoes are vertical?

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Excel in math and science

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It's hard to learn from lectures and videos

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including olympiad champions, researchers, and professionals.

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by brittany gutknecht

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