[0,1,0,2,1,0,3,3,2,1,4,4,3,2,0,5,6,5,4,1,0,6,7,6, 5,4,2,0,7,9,8,7,5,4,3,1,8,10,9,8,8,6,4,2,1,9,12, 11,10,9,8,7,5,3,2,10,13,12,11,12,10,8,6,5,3,0,11, 15,14,13,13,12,11,9,7,6,1,0]