Does the water seem to be blue?
Yes, the water is blue.
    src        edge_attr  dst
0     0               on    4
1     2  to the right of    7
2     2   to the left of    5
3     3   to the left of    6
4     3   to the left of    7
5     5  to the right of    2
6     6               on    7
7     6  to the right of    3
8     6   to the left of    7
9     7  to the right of    3
10    7   to the left of    2
11    7  to the right of    6