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