| 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 25, and the edges are: (20,14) (9,11) (9,18) (17,1) (25,14) (8,14) (13,9) (2,18) (0,3) (6,5) (0,15) (25,6) (7,23) (23,8) (6,16) (6,4) (20,10) (24,19) (19,13) (11,12) (21,12) (6,1) (25,22) (15,6) (18,3). |