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