[1,2,3,5,4,7,6,8,9,11,10,12,13,17,15,18,14,19,16, 20,21,25,22,26,23,27,28,29,24,31,30,32,33,41,35, 43,34,42,36,44,37,45,38,46,47,48,39,59,40,55,49, 56,50,60,51,65,53,66,52,67,54,68,63,69,57,70,58, 71,64,72,61,73]