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