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