| 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 15, and the edges are: (0,1) (0,5) (0,8) (0,4) (0,12) (0,2) (0,7) (0,14) (0,3) (0,6) (1,13) (1,5) (1,8) (1,4) (1,12) (1,2) (1,9) (1,14) (1,3) (2,13) (2,5) (2,10) (2,4) (2,9) (2,14) (3,5) (3,8) (3,10) (3,4) (3,9) (3,14) (3,6) (4,13) (4,5) (4,10) (4,9) (4,6) (5,13) (5,8) (5,10) (5,12) (5,9) (6,8) (6,10) (6,9) (6,7) (6,14) (7,13) (7,8) (7,10) (7,12) (8,10) (8,12) (8,9) (8,14) (9,13) (9,10) (9,12) (9,14) (10,12) (10,14) (11,15) (12,13). |