521r2
621r2o
721r
821r2
921r2o
ut2r2o
vt2r
wt2r2
xt2r2o
yt2r
jk3r
kk3r2
lk3r2o
mk3r
nk3r2
8a4r2
9a4r2o
ab4r
bb4r2
cb4r2o
x14r2o
y14r
z14r2
014r2o
114r