B

B

Ⅰ

1. M
2. Đ
3. T

Ⅱ
2

2
2
2
L

K

2
M

Bt.

4

T
T

5

C

6
Đ
L

V
L
T

L

B
B

1

K

K

C

L

Ⅲ

1
T