[0,1,2,3,3,4,4,5,5,5,6,7,8,8,8,9,10,11,11,11,12, 13,13,14,15,16,16,17,17,18,18,18,19,20,20,21,22, 23,23,24,24,25,25,25,26,27,27,28,29,30,30,31,31, 31,32,33,34,34,35,35,36,36,36,37,38,39,39,39,40, 41,42,42,42,43,44,44,45,46,47,47,48]