[1,0,1,2,1,2,1,2,1,2,1,2,3,2,3,2,3,2,3,2,3,2,3,2, 3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,4,3,4,3,4,3,4,3, 4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4, 3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3, 4,3,4,3,4,3]