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