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