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