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