73r2
83r2d
93r2di
a4r2
b4r2d
wus2d
xus2di
yus2
zus2d
0us2di
llt2di
mlt2
nlt2d
olt2di
plt2
acu2
bcu2d
ccu2di
dcu2
ecu2d
z2u2d
02u2di
12u2
22u2d
32u2di