[1,2,5,4,3,10,9,8,7,6,12,11,17,18,20,16,13,14,24, 15,26,25,33,19,22,21,34,36,35,37,40,32,23,27,29, 28,30,41,48,31,38,49,52,50,65,66,68,39,42,44,69, 43,67,74,73,72,71,70,76,75,80,81]