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