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