vx1r
wx1r2
xx1r2o
yx1r
zx1r2
ko2r2
lo2r2o
mo2r
no2r2
oo2r2o
9e3r2o
af3r
bf3r2
cf3r2o
df3r
y53r
z53r2
053r2o
153r
253r2
nw4r2
ow4r2o
pw4r
qw4r2
rw4r2o