Does that napkin look white?
Yes, the napkin is white.
    src        edge_attr  dst
0     0               on    7
1     0   to the left of    4
2     1  to the right of    2
3     1  to the right of    5
4     2   to the left of    4
5     2               on    3
6     2   to the left of    1
7     4               on    7
8     4  to the right of    0
9     4  to the right of    5
10    4  to the right of    2
11    5               on    2
12    5   to the left of    4
13    5   to the left of    1
14    6               on    7
15    7             with    6
16    7             with    4
17    7               on    3