120o
220ot
320otl
420o
520ot
qt1ot
rt1otl
st1o
tt1ot
ut1otl
fk2otl
gk2o
hk2ot
ik2otl
jk2o
4a3o
5a3ot
6a3otl
7a3o
8a3ot
t13ot
u13otl
v13o
w13ot
x13otl