v1j2
w1j21
x1j217
y1j2
z1j21
ksk21
lsk217
msk2
nsk21
osk217
9il217
ajl2
bjl21
cjl217
djl2
y9l2
z9l21
09l217
19l2
29l21
n0m21
o0m217
p0m2
q0m21
r0m217