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