L
X
O
S
X
L
L
S
X
L
B
X
O
L
B
X
X
O
S
B
X
L
O
S
O
B
S
O
X
L
B
L
B
O
L
O
S
S
L
X
B
S
S
B
S
L
O
S
B
X
X
O
B
B