s2y2 r2y21s q2y21 p2y2 o2y21s

3by21s 2by21 1by2 0by21s zby21

elx21 dlx2 clx21s blx21 alx2

puw2 ouw21s nuw21 muw2 luw21s

03v21s z3v21 y3v2 x3v21s w3v21