f0of20
e0of2
d0of
c0of20
b0of2
q9nf2
p9nf
o9nf20
n9nf2
m9nf
1inf
0inf20
zinf2
yinf
xinf20
csmf20
bsmf2
asmf
9rmf20
8rmf2
n1lf2
m1lf
l1lf20
k1lf2
j1lf