a1y2
b1y2t
c1y2ts
d1y2
e1y2t
zrz2t
0rz2ts
1rz2
2rz2t
3rz2ts
oi02ts
pi02
qi02t
ri02ts
si02
d902
e902t
f902ts
g902
h902t
2z12t
3z12ts
4z12
5z12t
6z12ts