[0,0,1,1,0,1,2,1,2,2,3,2,2,3,4,3,2,3,5,3,4,4,6,5, 4,4,7,5,6,5,8,6,6,7,9,6,6,6,10,7,6,7,11,9,8,8,12, 8,10,9,13,9,8,11,14,9,10,10,15,10,10,10,16,13,12, 11,17,12,14]