[1,2,2,3,2,3,4,3,3,4,3,5,4,3,4,5,4,4,6,5,4,5,4,6, 5,4,5,7,6,5,6,4,5,5,7,6,5,6,5,8,7,6,7,5,6,5,6,8,7, 6,7,5,6,6,9,8,7,8,6,7,5,6,7,6,9,8,7,8,6,7,6,7,10, 9,8,9,7,8,6,7,8,6,7,7,10,9,8,9,7]