x

S₇x

M₅x

P₄x

I₂x

N₃x

C₃x

W₁x

A₂x

M₆x

F₂x

F₃x

g

b

b

g

b

g

g

g

b

b

g

b

b

g

g

b

g

b

b

b

g

g

b

g