x

A₁¹x

A₂¹x

A₃¹x

A₄¹x

M₁¹x

M₂¹x

M₃¹x

M₄¹x

P₁¹x

H₁¹x

g

b

g

b

g

b

b

g

g

g

b

b

g

b

b

g

b

g

b

g

b

g