[1,1,1,2,2,2,3,4,4,4,5,4,5,5,6,6,7,6,8,7,8,8,10,7, 10,8,9,7,10,7,10,9,11,9,12,9,13,11,14,10,14,10,13, 10,14,11,15,10,15,12,15,10,17,11,14,10,15,9,13,8, 14,10,14,10,16,11,16,12,18,14,18,11,18,13,17,12, 20]