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