What is on the sky?
The jet is on the sky.
    src        edge_attr  dst
0     0   to the left of   12
1     1  to the right of   11
2     3  to the right of    4
3     3   to the left of    6
4     3  to the right of    8
5     4  to the right of   14
6     4  to the right of    7
7     4   to the left of    3
8     6  to the right of    8
9     6  to the right of    3
10    6   to the left of    9
11    7   to the left of    8
12    7  to the right of   14
13    7   to the left of    4
14    8   to the left of    6
15    8   to the left of    3
16    8   to the left of   10
17    8  to the right of    7
18    9  to the right of    6
19    9  to the right of   10
20   10  to the right of    8
21   10   to the left of    9
22   11   to the left of    1
23   12  to the right of    0
24   13               on    2
25   14   to the left of    7
26   14   to the left of    4