Problem 54295. prime consecutive sums
Create a number sequence of 1 to n, such that the sums of every two consecutive numbers are all primes.
E.g. if n = 5, you may write the sequence as 1,4,3,2,5 or 3,4,1,2,5
if n = 6, you may wrtie the sequence as 2,3,4,1,6,5
The answer is not unique, so one correct answer enough.
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