m2a2
n2a2r
o2a2rg
p2a2
q2a2r
btb2r
ctb2rg
dtb2
etb2r
ftb2rg
0jc2rg
1jc2
2jc2r
3jc2rg
4jc2
pad2
qad2r
rad2rg
sad2
tad2r
e1d2r
f1d2rg
g1d2
h1d2r
i1d2rg