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