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