DK-GEORGMOHR 2023 Problem 2
The numbers must be placed in the squares in such a way that the sum of the numbers in each of the four rows and columns is the same. What is the smallest possible sum of the four numbers in the corner squares?

Dataset text AI-MO AoPS. Quoted with source.
Official text: Georg Mohr Contest 2023 official paper, page 1.
Solutions
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