|
|
---|
→
1
|
2 |
3
|
4 | 5 |
6
|
7 |
→
8
|
9 |
10
|
11
|
12
|
13
|
14 |
→
15
|
16 | 17 |
18
|
19
|
20 | 21 |
→ 22 | 23 |
24
|
25
|
26
|
27
|
28 |
→
29
|
30 | 1 | 2 | 3 | 4 | 5 |