y2qu
x2quxr
w2qux
v2qu
u2quxr
9bquxr
8bqux
7bqu
6bquxr
5bqux
klpux
jlpu
ilpuxr
hlpux
glpu
vuou
uuouxr
tuoux
suou
ruouxr
63nuxr
53nux
43nu
33nuxr
23nux