[1,2,1,2,3,4,3,2,1,2,1,2,3,4,3,2,3,4,5,6,5,4,3,4, 5,6,7,8,7,6,5,4,3,4,5,6,5,4,3,2,3,4,3,2,1,2,1,2,3, 4,3,2,1,2,1,2,3,4,3,2,3,4,5,6,5,4,3,4,5,6,7,8,7,6, 5,4,3,4,5,6,5,4,3,2,3,4,3,2,3,4,5,6,5,4,3,4,5,6,7, 8,7,6,5,4]