v3o2 w3o2v x3o2v0 y3o2 z3o2v

kup2v lup2v0 mup2 nup2v oup2v0

9kq2v0 alq2 blq2v clq2v0 dlq2

ybr2 zbr2v 0br2v0 1br2 2br2v

n2r2v o2r2v0 p2r2 q2r2v r2r2v0