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