9f7sq2 8f7sq 7f7s 6f7sq2 5f7sq
kp6sq jp6s ip6sq2 hp6sq gp6s
vy5s uy5sq2 ty5sq sy5s ry5sq2
674sq2 574sq 474s 374sq2 274sq
hh4sq gh4s fh4sq2 eh4sq dh4s