[1,1,1,1,2,1,2,1,2,1,2,3,1,2,3,1,2,3,1,2,3,4,1,2, 3,4,1,2,3,4,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4, 5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,7,1,2,3,4, 5,6,7,1,2,3,4,5,6,7,1,2,3,4,5,6,7,8]