uagfnl tagfn sagf ragfnl qagfn
5jffn 4jff 3jffnl 2jffn 1jff
gtef ftefnl etefn dtef ctefnl
r2dfnl q2dfn p2df o2dfnl n2dfn
2bdfn 1bdf 0bdfnl zbdfn ybdf