[1,2,3,2,4,3,5,6,3,7,8,5,4,6,9,10,4,11,8,6,4,5,12, 7,13,6,5,14,11,15,7,5,9,16,8,10,17,6,18,11,19,9,8, 6,7,10,12,20,21,16,8,7,22,17,23,10,18,24,7,9,25, 11,26,13,27,7,8,20,9,14,12,28,11,29,8]