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