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