[1,7,9,8,10,11,10,9,11,12,11,12,11,12,11,10,12,13, 14,13,13,14,12,13,12,13,14,13,12,13,12,11,13,14, 15,14,15,14,15,14,14,15,15,14,14,14,13,14,13,14, 15,14,13,15,15,14,13,14,15,14,13,14,13,12,14,15]