[0,2,1,3,6,10,8,9,4,11,5,7,12,14,13,15,18,26,22, 24,34,42,38,40,25,41,27,30,32,43,33,35,16,36,17, 19,37,46,39,44,20,45,21,23,28,47,29,31,48,50,49, 51,54,58,56,57,52,59,53,55,60,62,61,63,66,74,70, 72]