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