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