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