[0,0,0,0,1,0,2,1,2,2,4,1,4,4,4,4,7,2,6,5,6,8,8,5, 7,7,8,7,10,7,10,9,9,11,12,6,11,12,10,10,12,11,10, 15,12,14,14,10,14,11,16,14,12,12,17,16,16,16,14, 14,10,18,15,16,20,17,16,18,19,19]