72pn 82pn2 92pn2f a3pn b3pn2
wtqn2 xtqn2f ytqn ztqn2 0tqn2f
lkrn2f mkrn nkrn2 okrn2f pkrn
absn bbsn2 cbsn2f dbsn ebsn2
z1sn2 01sn2f 11sn 21sn2 31sn2f