y2t2
z2t23
02t23s
12t2
22t23
ntu23
otu23s
ptu2
qtu23
rtu23s
ckv23s
dkv2
ekv23
fkv23s
gkv2
1aw2
2aw23
3aw23s
4aw2
5aw23
q1w23
r1w23s
s1w2
t1w23
u1w23s