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