1s3b
0s3b4t
zs3b4
ys3b
xs3b4t
c22b4t
b22b4
a22b
912b4t
812b4
nb2b4
mb2b
lb2b4t
kb2b4
jb2b
yk1b
xk1b4t
wk1b4
vk1b
uk1b4t
9t0b4t
8t0b4
7t0b
6t0b4t
5t0b4