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