tto2d
sto2
rto2du
qto2d
pto2
42n2
32n2du
22n2d
12n2
02n2du
fcn2du
ecn2d
dcn2
ccn2du
bcn2d
qlm2d
plm2
olm2du
nlm2d
mlm2
1ul2
0ul2du
zul2d
yul2
xul2du