bp1we
cp1wev
dp1w
ep1we
fp1wev
0f2wev
1f2w
2f2we
3f2wev
4f2w
p62w
q62we
r62wev
s62w
t62we
ex3we
fx3wev
gx3w
hx3we
ix3wev
3n4wev
4n4w
5n4we
6n4wev
7n4w