[1,2,2,3,3,4,4,5,5,6,7,7,8,9,9,10,11,11,12,13,13, 14,14,15,16,16,17,17,18,19,19,20,20,21,22,22,23, 23,24,25,25,26,26,27,28,28,29,29,30,31,31,32,33, 33,34,34,35,36,36,37,38,38,39]