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