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