x1vtal
y1vt
z1vta
01vtal
11vt
mswt
nswta
oswtal
pswt
qswta
bjxta
cjxtal
djxt
ejxta
fjxtal
09xtal
19xt
29xta
39xtal
49xt
p0yt
q0yta
r0ytal
s0yt
t0yta