| 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 26, and the edges are: (10,6) (0,17) (21,18) (7,3) (10,21) (0,11) (5,8) (13,21) (14,5) (4,23) (20,14) (19,5) (7,24) (19,4) (16,12) (2,6) (16,22) (25,10) (24,15) (0,10) (26,13) (20,9) (22,4) (22,3) (14,13) (12,1). |