isgvkn hsgvk gsgv fsgvkn esgvk

t1fvk s1fv r1fvkn q1fvk p1fv

4afv 3afvkn 2afvk 1afv 0afvkn

fkevkn ekevk dkev ckevkn bkevk

qtdvk ptdv otdvkn ntdvk mtdv