4 6
1 2
D3 5
15 acd
11
1B 2B 3D 4A 5D 6A 7AE 8AB 9ABE 10 11 12 13DE 14 BE 15ACE
1.D/A/B
2.B
3.D
4.A
5.D
6.B/C/A
7.ABCDE/BC/AE
8.AB
9.ABE
10.AD/ACDE/ABD
11.ABCD/AB/CDE
12.ABCDE/ABCD/CE/AB
13.ABCDE/CDE/DE
14.ABCDE/ADE/BE
15.ACE/ABCDE/ACD
4、6:A
1、2:B
3、5:D
7:AE
8:AB
9:ABE
10:ABD
11:CDE
12:ABD
13:DE
14:BE
15:ACD