[1,3,2,5,7,4,9,11,13,6,8,15,17,19,10,21,23,25,27, 12,29,14,16,18,20,22,24,31,33,26,35,28,37,39,41, 30,32,34,36,38,43,45,47,49,40,51,53,55,57,59,61, 63,65,42,67,44,46,48,69,71,50,73,52,54,75,77,56, 79,58,81,60,83]