xri21d
yri2
zri21
0ri21d
1ri2
mij2
nij21
oij21d
pij2
qij21
b9j21
c9j21d
d9j2
e9j21
f9j21d
0zk21d
1zk2
2zk21
3zk21d
4zk2
pql2
qql21
rql21d
sql2
tql21