[2,1,4,3,8,5,10,6,13,7,16,9,17,11,18,12,21,14,24, 15,25,19,26,20,29,22,32,23,33,27,34,28,36,30,37, 31,38,35,40,39,41,42,45,43,47,44,48,46,49,53,50, 57,51,63,52,67,54,68,55,73,56,75,58,76,59,79,60, 80,61,82,62,83]