Use 12.15.17.19.21.23.25.27.29 to compile a third-order magic square? Ask to do it in a square,

First of all, if you write the number, then this problem is not solved, because the sum of all numbers is 188
It's not divisible by 3, so it's you. 13 is 12
If it's 13, it's 13
27 13 23；
17 21 25；
19 29 15；

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