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