31rnnn
21rnn
11rn
01rnnn
z1rnn
ebrnn
dbrn
cbrnnn
bbrnn
abrn
pkqn
okqnnn
nkqnn
mkqn
lkqnnn
0tpnnn
ztpnn
ytpn
xtpnnn
wtpnn
b3onn
a3on
92onnn
82onn
72on