zr6rc 0r6rc1 1r6r 2r6rc 3r6rc1

oi7rc1 pi7r qi7rc ri7rc1 si7r

d97r e97rc f97rc1 g97r h97rc

2z8rc 3z8rc1 4z8r 5z8rc 6z8rc1

rq9rc1 sq9r tq9rc uq9rc1 vq9r