| In an undirected graph, (i,j) means that node i and node j are connected with an undirected edge. | |
| The nodes are numbered from 0 to 8, and the edges are: (0,1) (4,7) (2,1) (8,3) (3,4) (1,4) (0,6) (7,5) (0,5) (8,7) (6,4) (7,3) (2,5). |
| In an undirected graph, (i,j) means that node i and node j are connected with an undirected edge. | |
| The nodes are numbered from 0 to 8, and the edges are: (0,1) (4,7) (2,1) (8,3) (3,4) (1,4) (0,6) (7,5) (0,5) (8,7) (6,4) (7,3) (2,5). |