y2t0
z2t01
02t01x
12t0
22t01
ntu01
otu01x
ptu0
qtu01
rtu01x
ckv01x
dkv0
ekv01
fkv01x
gkv0
1aw0
2aw01
3aw01x
4aw0
5aw01
q1w01
r1w01x
s1w0
t1w01
u1w01x