821rb
921rbu
a31r
b31rb
c31rbu
xt2rbu
yt2r
zt2rb
0t2rbu
1t2r
mk3r
nk3rb
ok3rbu
pk3r
qk3rb
bb4rb
cb4rbu
db4r
eb4rb
fb4rbu
014rbu
114r
214rb
314rbu
414r