[0,1,1,2,1,2,3,2,2,3,4,3,2,3,4,5,4,3,3,4,5,6,5,4, 3,4,5,6,7,6,5,4,4,5,6,7,8,7,6,5,4,5,6,7,8,9,8,7,6, 5,5,6,7,8,9,10,9,8,7,6,5,6,7,8,9,10,11,11,9,8,7,6, 6,7,8,9,11,11,12,11,12,9,8,7,6,7,8,9,12,11,12,13, 12,12,13,9,8]