p2w1
q2w1v
r2w1vs
s2w1
t2w1v
etx1v
ftx1vs
gtx1
htx1v
itx1vs
3jy1vs
4jy1
5jy1v
6jy1vs
7jy1
saz1
taz1v
uaz1vs
vaz1
waz1v
h1z1v
i1z1vs
j1z1
k1z1v
l1z1vs