a1xn
90xns0
80xns
70xn
60xns0
laxns0
kaxns
jaxn
iaxns0
haxns
wjwns
vjwn
ujwns0
tjwns
sjwn
7svn
6svns0
5svns
4svn
3svns0
i2uns0
h2uns
g2un
f2uns0
e2uns