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