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