[1,2,1,3,2,4,1,3,5,2,4,6,1,3,5,7,2,4,6,8,1,3,5,7, 9,2,4,6,8,10,1,3,5,7,9,11,2,4,6,8,10,12,1,3,5,7,9, 11,13,2,4,6,8,10,12,14,1,3,5,7,9,11,13,15,2,4,6,8, 10,12,14,16,1,3,5,7,9,11,13,15,17,2,4,6,8,10,12, 14,16,18,1,3,5,7]