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