[0,1,2,2,3,4,4,5,6,6,7,8,8,9,9,10,11,11,12,13,13, 14,15,15,16,17,17,18,18,19,20,20,21,22,22,23,24, 24,25,25,26,27,27,28,29,29,30,31,31,32,33,33,34, 34,35,36,36,37,38,38,39,40,40,41,42,42,43,43,44, 45,45]