Is the blue box on the right side?
No, the box is on the left of the image.
    src        edge_attr  dst
0     1  to the right of    5
1     4   to the left of    9
2     4  to the right of    8
3     5  to the right of   10
4     5   to the left of    1
5     6  to the right of    8
6     8   to the left of    4
7     8               on    7
8     8   to the left of    6
9     9  to the right of    4
10   10   to the left of    5