3s1or9
2s1or
1s1o
0s1or9
zs1or
e20or
d20o
c20or9
b20or
a20o
pb0o
ob0or9
nb0or
mb0o
lb0or9
0kzor9
zkzor
ykzo
xkzor9
wkzor
buyor
auyo
9tyor9
8tyor
7tyo