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