v3y2
w3y2y
x3y2yx
y3y2
z3y2y
kuz2y
luz2yx
muz2
nuz2y
ouz2yx
9k02yx
al02
bl02y
cl02yx
dl02
yb12
zb12y
0b12yx
1b12
2b12y
n212y
o212yx
p212
q212y
r212yx