9l9sn2 8l9sn 7l9s 6l9sn2 5l9sn

kv8sn jv8s iv8sn2 hv8sn gv8s

v47s u47sn2 t47sn s47s r47sn2

6d7sn2 5d7sn 4d7s 3d7sn2 2d7sn

hn6sn gn6s fn6sn2 en6sn dn6s