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