16
16: 16

1
1: 1

13
13: 13


 

15
15: 15

2
2: 2

8
8: 8

6
6: 6

9
9: 9

3
3: 3

10
10: 10

14
14: 14

7
7: 7

5
5: 5

4
4: 4

12
12: 12

17
17: 17

18
18: 18