611312
1 2 8 A
3 B
11 BDE 12 AE 13 BDE 14 CD 15 BCDE
1-5AABCD 6-10DCADD 11.BDE 12.AE 13.BDE 14CD 15BCDE
4 7 C
1
AABCDDCADD
2
BDE AE BDE CD BCDE
1-5
A A B C D
6-10
D C A D D
10-15
AACCC ACADD
AA BC DD CA DD
BDE
AE
CD
BCDE
1A
2A
3 A
4C
5D
6 B
7 B
8A
9D
10 C
11BDE
12AE
13BDE
14CD
15BCDE