a180 b180a c180ag d180 e180a

zr90a 0r90ag 1r90 2r90a 3r90ag

oia1ag pia1 qia1a ria1ag sia1

d9a1 e9a1a f9a1ag g9a1 h9a1a

2zb1a 3zb1ag 4zb1 5zb1a 6zb1ag