3. $1,2,3,8,5,6,7,10,9,4$.

【Note】The answer is not unique.

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3. $1,2,3,8,5,6,7,10,9,4$.

【Note】The answer is not unique.
3. Arrange the numbers $1 \sim 10$ into a sequence such that the sum of every two adjacent numbers is a prime number, and the sum of the first and last numbers is also a prime number. Then the arrangement is ( $\qquad$ ).