[1,2,1,3,2,4,1,3,5,2,4,6,1,3,5,7,2,4,6,1,8,3,5,7, 2,9,4,6,1,8,3,10,5,7,2,9,4,11,6,1,8,3,10,5,12,7,2, 9,4,11,6,13,1,8,3,10,5,12,7,14,2,9,4,11,6,13,1,8, 15,3,10,5,12,7,14,2,9,16,4,11,6,13,1,8,15,3,10,17, 5,12,7,14,2,9]