F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x

x
Lx
Lx
Lx
L

x
Lx
Lx
Lx
L

x
Lx
Lx
Lx
L

x
Lx
Lx
Lx
L

x
Lx
Lx
Lx
L

x
Lx
Lx
Lx
L

x
Lx
Lx
Lx
L

x
Lx
Lx
Lx
L

F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x

F
xF
xF
xF
x