[1,2,2,2,3,3,4,3,4,5,3,5,6,5,5,6,7,3,7,8,7,6,8,9, 7,8,8,9,10,8,10,11,8,10,8,11,12,10,8,11,10,12,13, 8,12,11,13,14,11,13,6,14,15,13,10,14,9,15,16,11, 14,14,15,15,16,17,13,17,18,10,16,9,17,15,18,19,16, 15,17,15,18,13]