601708
1 A
2 C
3 C
4 D
5 C
6 B
7 A
8 C
9 C
10 D
11 AB
12 BC
13 ABC
14 ABD
15 BD
1 AX B
2 BX D
3 CX D
5 AX B
6 BX C
7 DX C
8 DX A
9 DX B
10 A
12 AC
13 ABCD
14 ACD
15 AB
A
B
BX A
DX B
CX D
ABC
BCD
CD
AD
AB
