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