p4br
q4br6
r4br6v
s4br
t4br6
evcr6
fvcr6v
gvcr
hvcr6
ivcr6v
3ldr6v
4ldr
5ldr6
6ldr6v
7ldr
scer
tcer6
ucer6v
vcer
wcer6
h3er6
i3er6v
j3er
k3er6
l3er6v