Z
M
A
Z
U
B
A
A
Z
B
B
M
U
A
A
Z
Z
A
B
B
A
A
B
A
U
B
B
U
Z
B
U
M
B
M
Z
Z
U
M
Z
A
A
U
M
Z
A
A
B
U
M
Z
A
M
M
U
Z
A
M
Z
U
Z
U
U
Z
M
M
B
U
U
B
M
U
B
B
M