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