[1,2,3,3,4,4,5,4,6,6,6,7,7,7,8,7,8,9,9,9,9,8,10,9, 10,11,11,11,11,12,12,12,11,12,11,12,13,13,13,14, 14,14,13,14,14,14,15,14,14,12,14,15,14,15,16,17, 17,16,16,16,16,17,16,16,17,17,16,16,15,17,19]