[0,1,1,2,2,3,1,2,2,3,3,4,2,3,3,4,4,5,3,4,4,5,5,6, 1,2,2,3,3,4,2,3,3,4,4,5,3,4,4,5,5,6,4,5,5,6,6,7,2, 3,3,4,4,5,3,4,4,5,5,6,4,5,5,6,6,7,5,6,6,7,7,8,3,4, 4,5,5,6,4,5,5,6,6,7,5,6,6,7,7,8,6,7,7,8,8,9,4,5,5, 6,6,7,5,6,6,7]