2 3 4 5 6 7 8 9 10 11 12 13 14 15 16TL B D B D B C C A B C B B A...

Câu

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

TL

B

D

B

D

B

C

C

A

B

C

B

B

A

C

A

A