| 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 17, and the edges are: (0,12) (0,4) (0,9) (0,1) (0,11) (0,2) (1,10) (1,6) (1,9) (1,15) (1,13) (2,12) (2,9) (2,17) (2,15) (3,4) (3,6) (3,11) (4,12) (4,9) (4,11) (6,10) (6,12) (6,9) (6,15) (6,13) (8,12) (8,9) (8,15) (8,13) (9,10) (9,11) (10,13) (10,11) (11,13) (12,13) (14,16). |