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