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