[0,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,9,2,3,4,5,6,7, 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, 10,11,12,13,14,15,8,9,10,11,12,13,14,15,16,1,2,3, 4,5,6,7,8,9]