604171
1 B 2 D 3 B 4D 5A 6C 7D 8D 9A 10 C 11A 12 B 13C 14 D 15 B 16B 17A 18D 19 C 20 A
1 B 7 D 8 D 9 A 10 C 11 A
2 D
3 B
4 D
5 A
6C
12 B 13C 14 D 15 B 16 B
17 A 18 D 19 C 20 A
