[1,2,4,3,7,5,9,6,8,11,13,10,12,15,17,14,16,19,21, 18,20,23,25,22,24,27,29,26,28,31,33,30,32,35,37, 34,36,39,41,38,40,43,45,42,44,47,49,46,48,51,53, 50,52,55,57,54,56,59,61,58,60,63,65,62,64,67,69, 66,68,71,73,70]