n2o22
o2o22q
p2o2
q2o22
r2o22q
ctp22q
dtp2
etp22
ftp22q
gtp2
1jq2
2jq22
3jq22q
4jq2
5jq22
qar22
rar22q
sar2
tar22
uar22q
f1r22q
g1r2
h1r22
i1r22q
j1r2