z2rrd
y2rr
x2rrdr
w2rrd
v2rr
acrr
9brrdr
8brrd
7brr
6brrdr
llqrdr
klqrd
jlqr
ilqrdr
hlqrd
wuprd
vupr
uuprdr
tuprd
supr
73or
63ordr
53ord
43or
33ordr