[2,1,4,3,6,8,10,5,12,7,14,16,9,18,20,11,13,15,22, 24,17,26,28,19,21,23,30,32,25,34,36,27,29,31,38, 33,35,37,40,39,41,42,44,46,43,48,45,47,49,51,53, 55,50,57,59,61,52,63,65,67,69,71,54,73,75,77,56, 58,79,81,83,85]