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