[0,0,1,1,1,2,3,2,3,3,3,4,4,3,5,4,5,3,3,5,6,6,4,7, 6,5,6,6,6,8,6,7,9,6,8,6,8,9,6,7,8,9,8,10,10,7,8,8, 7,9,11,11,11,10,10,9,10,10,13,11,11,12,11,12,12, 11,9,11,11,10,12,15,13,14,13,13,12,12,16,14,14,12, 14,14,15,14,15]