v2sn u2snip t2sni s2sn r2snip
6bsnip 5bsni 4bsn 3bsnip 2bsni
hlrni glrn flrnip elrni dlrn
suqn ruqnip quqni puqn ouqnip
33pnip 23pni 13pn 03pnip z3pni