| 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: (8,4) (7,4) (1,5) (0,3) (0,2) (0,7) (7,5) (1,3) (8,2) (2,6) (6,4) (8,1) (4,5). |
| 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: (8,4) (7,4) (1,5) (0,3) (0,2) (0,7) (7,5) (1,3) (8,2) (2,6) (6,4) (8,1) (4,5). |