| The nodes are numbered from 0 to 27, and the edges are: (0,14) (0,21) (0,23) (0,9) (0,6) (0,17) (0,2) (0,10) (0,25) (0,7) (0,27) (0,26) (0,8) (0,5) (1,22) (1,24) (1,20) (1,4) (1,15) (1,12) (2,21) (2,9) (2,6) (2,17) (2,18) (2,3) (2,27) (2,26) (2,5) (3,23) (3,9) (3,6) (3,17) (3,19) (3,16) (3,18) (3,11) (3,10) (3,7) (3,26) (3,8) (3,5) (4,22) (4,20) (4,13) (4,15) (5,14) (5,23) (5,9) (5,6) (5,17) (5,16) (5,18) (5,11) (5,10) (5,25) (5,7) (5,27) (5,26) (5,8) (6,14) (6,21) (6,23) (6,9) (6,17) (6,19) (6,16) (6,18) (6,10) (6,7) (6,27) (6,8) (7,14) (7,21) (7,23) (7,9) (7,17) (7,19) (7,18) (7,11) (7,10) (7,25) (7,26) (7,8) (8,14) (8,21) (8,23) (8,9) (8,17) (8,19) (8,18) (8,11) (8,10) (8,25) (8,27) (8,26) (9,21) (9,19) (9,10) (9,25) (9,27) (9,26) (10,21) (10,19) (10,11) (10,25) (10,27) (10,26) (11,14) (11,21) (11,23) (11,17) (11,19) (11,16) (11,18) (11,25) (12,22) (12,24) (12,13) (13,22) (13,24) (13,20) (14,21) (14,23) (14,17) (14,19) (14,16) (14,18) (14,25) (14,26) (15,22) (15,20) (16,21) (16,23) (16,17) (16,19) (16,18) (16,26) (17,21) (17,23) (17,25) (17,27) (17,26) (18,21) (18,23) (19,21) (19,23) (19,25) (19,27) (19,26) (20,22) (20,24) (21,23) (21,25) (22,24) (23,25) (25,27) (25,26) (26,27). |
