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