[0,1,2,3,2,4,3,5,6,4,3,7,8,4,5,9,6,10,3,11,5,7,4, 12,8,6,13,4,14,9,15,7,16,5,8,10,17,18,11,6,5,19,9, 4,20,21,12,5,6,22,13,23,7,14,10,24,6,11,15,8,25, 26,7,27,4,16,28,29,5,12]