[1,2,2,1,3,3,3,2,1,4,4,4,4,3,2,1,5,5,5,5,5,4,3,2, 1,6,6,6,6,6,6,5,4,3,2,1,7,7,7,7,7,7,7,6,5,4,3,2,1, 8,8,8,8,8,8,8,8,7,6,5,4,3,2,1,9,9,9,9,9,9,9,9,9]