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