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