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