x3o281
y3o2
z3o28
03o281
13o2
mup2
nup28
oup281
pup2
qup28
blq28
clq281
dlq2
elq28
flq281
0br281
1br2
2br28
3br281
4br2
p2r2
q2r28
r2r281
s2r2
t2r28