[1,2,3,2,4,5,3,6,7,2,4,8,3,9,5,10,11,3,6,12,13,7, 14,5,15,2,4,8,16,17,3,9,18,19,5,10,20,7,21,11,22, 23,3,6,12,24,5,25,13,26,3,9,27,7,14,28,29,5,15,30, 31,2,4,8,16,32,11,33,17,34,7,35,3,9,18,36,37]