u51r17 v51r w51r1 x51r17 y51r

jw2r kw2r1 lw2r17 mw2r nw2r1

8m3r1 9m3r17 an3r bn3r1 cn3r17

xd4r17 yd4r zd4r1 0d4r17 1d4r

m44r n44r1 o44r17 p44r q44r1