x

B₁¹x

N₁¹x

B₂¹x

B₃¹x

B₄¹x

M₂¹x

Q¹x

S₁¹x

D₃¹x

D₄¹x

M₃¹x

W¹x

g

g

b

g

g

g

g

g

b

g

b

b

g

b

b

g

b

b

g

b

b

g

b

g

g

b