[2,3,4,5,3,6,7,4,8,9,5,10,11,4,6,12,13,7,14,5,15, 8,16,17,6,9,18,19,5,10,20,7,21,11,22,23,6,8,12,24, 25,13,26,9,27,7,14,28,29,6,10,15,30,31,8,16,32,11, 33,17,34,7,35,9,12,18,36,37,19,38,13,39]