90qn0a a1qn b1qn0 c1qn0a d1qn

yrrn zrrn0 0rrn0a 1rrn 2rrn0

nisn0 oisn0a pisn qisn0 risn0a

c9sn0a d9sn e9sn0 f9sn0a g9sn

1ztn 2ztn0 3ztn0a 4ztn 5ztn0