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