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Interesting mathematical filling numbers
24 2 1 22

27 25 23

28 29 26

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The solution to this problem is to arrange the numbers in three rows and three columns from small to large, but then fix the middle number and rotate the other eight numbers clockwise (counterclockwise) by one grid.

2 1 22 23 → 24 2 1 22

24 25 26 → 27 25 23

27 28 29 → 28 29 26