Is the box the same color as the bus?
No, the box is red and the bus is black.
    src        edge_attr  dst
0     5  to the right of    6
1     5  to the right of   10
2     5  to the right of   12
3     5  to the right of   13
4     6   to the left of    5
5     7   to the left of   10
6     7   to the left of   12
7    10  to the right of    7
8    10  to the right of   12
9    10   to the left of    5
10   11   to the left of   12
11   11   to the left of   13
12   12  to the right of   11
13   12  to the right of    7
14   12   to the left of    5
15   12   to the left of   10
16   13   to the left of    5
17   13  to the right of   11