A B C D A D D C C D C D C A D B C D C B D...

Câu 1 A B C D A D D C C D C D C A D B C D C B D C C D

2 C D A A B A B A D B C C D D A C D B C D B B D B

3 A C A D C C C C D D D B C B C C B D B C C B C B

4 A A D A B C C C A A D A A A A B C B B D B B B D

5 C C C A C B A C A D D B D C C D A D C B A D A C

6 B A C C D D D D C B B B A B A C B D B A A A C C

7 A B C C D A A D A C A D B B D B B C B B D A A A

8 D D D B B C C A D C B C B C D A C B A C D D B A

9 C D D A A A D D B B C D A B B A B D D D C C B B

10 B A D C C B B A A A B B B B C B D B D A C B C A

11 D D B B D A B B B D B A B D B D D A B B D A C B

12 B D A B B B B B B A B C C D B B C C D B A A B C

13 D C C B B B A B C C A D B A A D B C A A A A A D

14 B C B C A D C D D B A A D C B A A A A C B D D B

15 B B B D D B C C C B B D D A C B A A B C B C D A