9oq21f apq2 bpq21 cpq21f dpq2

yfr2 zfr21 0fr21f 1fr2 2fr21

n6r21 o6r21f p6r2 q6r21 r6r21f

cxs21f dxs2 exs21 fxs21f gxs2

1nt2 2nt21 3nt21f 4nt2 5nt21