B
L
M
A
L
M
S
S
L
M
M
S
A
A
L
B
S
A
M
S
B
L
L
S
S
S
B
A
M
B
A
L
L
B
B
S
L
L
B
S
L
A
B
S
M
B
L
A
B
B
L
M
S
B
S
A
L
M
B
B
S
M
M
S
L
M
A
A
A
A
M
A
M
A