I think you gave wrong sample test
for n=4 min is not 1 4 2 3 it is 4 1 2 3
because
1*4+4*2+2*3=18 but 4*1+1*2+2*3=12

You are wrong. Read the task more carefully.

You are wrang, becouse 1*4+4*2+2*3+3*1 = 21, 4*1+1*2+2*3+3*4 = 24.

And moreover, the sequence must start with 1.