1 (h)
2 (a)
nested
3 (h)
4 (h)
drag point
5 (v)
6 (v)
7 (v)
8 (a)
9 (h)
10 (v)
11 (a)
12 (h)
13 (v)
14 (a)
15 (h)
16 (v)
17 (a)
18 (h)
19 (v)
20 (a)
21 (h)
22 (v)
23 (a)
24 (h)
25 (v)
26 (a)
27 (h)
28 (v)
29 (a)
30 (h)
31 (v)
32 (a)
33 (h)
34 (v)
35 (a)
36 (h)
37 (v)
38 (a)
39 (h)
40 (v)
41 (a)
42 (h)
43 (v)
44 (a)
45 (h)
46 (v)
47 (a)
48 (h)
49 (v)
50 (a)
51 (h)
box area (a)