x1yrbq
y1yr
z1yrb
01yrbq
11yr
mszr
nszrb
oszrbq
pszr
qszrb
bj0rb
cj0rbq
dj0r
ej0rb
fj0rbq
090rbq
190r
290rb
390rbq
490r
p01r
q01rb
r01rbq
s01r
t01rb