9l9t21 8l9t2 7l9t 6l9t21 5l9t2

kv8t2 jv8t iv8t21 hv8t2 gv8t

v47t u47t21 t47t2 s47t r47t21

6d7t21 5d7t2 4d7t 3d7t21 2d7t2

hn6t2 gn6t fn6t21 en6t2 dn6t