[1,1,2,3,4,4,5,6,6,7,8,9,9,10,11,11,12,13,13,14, 15,16,17,17,17,18,19,19,20,21,22,23,24,25,26,26, 26,26,27,28,28,29,30,31,31,32,33,34,35,36,37,38, 39,39,39,39,39,40,41,41,42,43,44,45,46,47,47,48, 48,48,49,50,51,52]