Which color do you think is the tent?
The tent is red.
    src        edge_attr  dst
0     0  to the right of    6
1     0   to the left of    1
2     1  to the right of    3
3     1  to the right of    0
4     1  to the right of    5
5     3  to the right of    6
6     3   to the left of    1
7     5  to the right of    6
8     5   to the left of    1
9     6   to the left of    5
10    6   to the left of    0
11    6   to the left of    3