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