[1,2,1,3,2,4,1,5,2,4,6,1,3,5,7,2,4,8,1,3,7,9,2,4, 6,8,10,1,5,7,11,2,4,6,8,10,12,1,3,5,9,11,13,2,4,8, 14,1,3,5,7,9,11,13,15,2,4,6,8,10,12,14,16,1,5,7, 11,13,17,2,4,6,8,10,12,14,16,18,1,3,7,9,11,13,17, 19,2,4,8,10,16]