Which color is the empty sink, beige or blue?
The sink is beige.
    src        edge_attr  dst
0     1               on    7
1     1  to the right of    7
2     1  to the right of    8
3     2  to the right of   10
4     3               on    0
5     5   to the left of    6
6     6  to the right of    5
7     7   to the left of    1
8     7   to the left of    9
9     8               on    7
10    8   to the left of    1
11    9  to the right of    7
12   10   to the left of    2