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