4bt2
3bt21c
2bt21
1bt2
0bt21c
fls21c
els21
dls2
cls21c
bls21
qur21
pur2
our21c
nur21
mur2
13q2
03q21c
z3q21
y3q2
x3q21c
cdq21c
bdq21
adq2
9cq21c
8cq21