3s1tna 2s1tn 1s1t 0s1tna zs1tn

e20tn d20t c20tna b20tn a20t

pb0t ob0tna nb0tn mb0t lb0tna

0kztna zkztn ykzt xkztna wkztn

buytn auyt 9tytna 8tytn 7tyt