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