scu2 rcu2dz qcu2d pcu2 ocu2dz

3lt2dz 2lt2d 1lt2 0lt2dz zlt2d

evs2d dvs2 cvs2dz bvs2d avs2

p4r2 o4r2dz n4r2d m4r2 l4r2dz

0dr2dz zdr2d ydr2 xdr2dz wdr2d