7lx1 6lx1zi 5lx1z 4lx1 3lx1zi

ivw1zi hvw1z gvw1 fvw1zi evw1z

t4v1z s4v1 r4v1zi q4v1z p4v1

4dv1 3dv1zi 2dv1z 1dv1 0dv1zi

fnu1zi enu1z dnu1 cnu1zi bnu1z