0rzrbb
1rzr
2rzrb
3rzrbb
4rzr
pi0r
qi0rb
ri0rbb
si0r
ti0rb
e90rb
f90rbb
g90r
h90rb
i90rbb
3z1rbb
4z1r
5z1rb
6z1rbb
7z1r
sq2r
tq2rb
uq2rbb
vq2r
wq2rb