Which size is this plane, small or huge?
The plane is small.
    src        edge_attr  dst
0     0  to the right of    2
1     0   to the left of    6
2     2   to the left of    0
3     2   to the left of    6
4     6   to the left of   13
5     6  to the right of    2
6     6  to the right of    0
7     9  to the right of   14
8    13  to the right of    6
9    14   to the left of    9
10   15   to the left of   17
11   16               on   10
12   17  to the right of   15