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