[1,4,2,6,8,3,5,9,10,12,7,11,13,14,15,16,18,17,19, 23,29,20,21,22,24,25,31,37,41,43,47,26,27,28,30, 32,33,53,59,61,67,71,73,34,35,36,38,39,40,42]