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