x

R₁¹x

R₂¹x

L₁¹x

L₂¹x

M¹x

M₁¹x

D₁¹x

D₂¹x

I₁¹x

I₂¹x

O₁¹x

E₁¹x

g

b

g

b

g

b

g

b

g

b

g

b

g

b

g

b

g

b

g

b

g

b

g

b

g

b