Does the airplane look empty or full?
The airplane is full.
    src        edge_attr  dst
0     1               by    0
1     1   to the left of    7
2     1  to the right of   12
3     2   to the left of   11
4     2  to the right of   12
5     2   to the left of    6
6     3  to the right of   13
7     3  to the right of    9
8     4            under   10
9     4            below   10
10    6               on   10
11    6  to the right of   12
12    6  to the right of    2
13    6   to the left of   11
14    7  to the right of    1
15    8               by   10
16    8             near   10
17    8          next to   10
18    9   to the left of    3
19   10             near    8
20   10               by    0
21   10            above    4
22   11  to the right of    2
23   11  to the right of    6
24   11  to the right of   12
25   12   to the left of    1
26   12   to the left of    6
27   12   to the left of    2
28   12   to the left of   13
29   12   to the left of   11
30   13   to the left of    3
31   13  to the right of   12