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