Is the pan made of aluminum or glass?
The pan is made of aluminum.
     src        edge_attr  dst
0      0   to the left of   21
1      0   to the left of   22
2      1   to the left of   17
3      1   to the left of   27
4      1  to the right of   10
..   ...              ...  ...
141   29  to the right of   17
142   30   to the left of   17
143   30   to the left of   29
144   30  to the right of   10
145   30   to the left of   27

[146 rows x 3 columns]