U
L
F
U
L
U
L
F
U
L
U
U
L
U
L
F
U
L
U
L
F
U
L
L
U
L
F
B
U
L
R
U
L
U
L
F
U
L
U
L
F
U
L
D
U
L
U
L
F
U
L
U
L
F