| 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 12, and the edges are: (9,1) (0,1) (6,11) (11,7) (2,0) (2,6) (3,6) (0,10) (7,5) (12,4) (3,0) (1,8) (1,5) (11,10) (5,12). |