rit2lc
qit2l
pit2
oit2lc
nit2l
2rs2l
1rs2
0rs2lc
zrs2l
yrs2
d1r2
c1r2lc
b1r2l
a1r2
90r2lc
oar2lc
nar2l
mar2
lar2lc
kar2l
zjq2l
yjq2
xjq2lc
wjq2l
vjq2