x

M¹x

B₁¹x

N₁¹x

Z₁¹x

D₁¹x

G₁¹x

W₁¹x

F₁¹x

F₂¹x

F₃¹x

F₄¹x

g

b

g

b

b

g

g

b

b

g

b

g

b

g

b

g

b

g

g

b

g

b

b

g