[0,1,1,2,3,3,4,5,5,6,6,6,6,6,6,7,8,8,8,8,8,8,8,8, 9,10,10,11,11,12,12,12,12,12,13,13,14,15,15,16,16, 17,17,18,18,18,18,18,19,20,20,21,21,21,22,23,23, 23,24,24,25,25,25,26,27,27,28,28,28,29]