[1,2,3,4,6,5,8,7,9,10,12,11,16,14,15,13,20,17,22, 18,19,23,24,21,26,25,27,28,36,29,30,31,32,33,34, 35,44,38,37,39,40,42,48,43,41,45,56,46,47,49,50, 51,52,53,54,55,57,59,60,58,62,61,63,64,65,67,66, 68,69,71,70,72]