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