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