[0,1,0,1,1,2,1,2,1,2,3,4,1,2,1,2,3,4,1,2,1,2,3,4, 1,2,3,4,3,4,1,2,1,2,3,4,3,4,1,2,3,4,1,2,1,2,3,4,1, 2,3,4,5,6,1,2,3,4,5,6,1,2,1,2,3,4,5,6,1,2,3,4,1,2, 1,2,3,4,5,6,1,2,3,4,1,2,3,4,3,4,1,2,3,4,5,6,3,4,1]