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