u2qfna t2qfn s2qf r2qfna q2qfn

5bqfn 4bqf 3bqfna 2bqfn 1bqf

glpf flpfna elpfn dlpf clpfna

ruofna quofn puof ouofna nuofn

23nfn 13nf 03nfna z3nfn y3nf