4z1r
3z1r02
2z1r0
1z1r
0z1r02
f90r02
e90r0
d90r
c90r02
b90r0
qi0r0
pi0r
oi0r02
ni0r0
mi0r
1rzr
0rzr02
zrzr0
yrzr
xrzr02
c1yr02
b1yr0
a1yr
90yr02
80yr0