# Number of Nodes 24 # Nodes 0 4 0 7 0 8 -2 7 -1 13 18 7 -1 -1 17 9 -2 2 0 3 16 10 0 9 13 4 13 6 12 7 15 7 7 4 7 6 8 8 5 7 13 2 6 3 10 9 6 10 # Edges 0 1 [ ] 1 2 [ ] 1 3 [ ] 3 0 [ -2 6 -1 6 -1 4 ] 3 2 [ -2 8 ] 0 2 [ 1 4 1 8 ] 5 4 [ 19 7 19 14 -1 14 ] 5 6 [ 18 -1 ] 5 7 [ 18 9 ] 7 4 [ 17 13 ] 4 6 [ -4 13 -4 -3 -1 -3 ] 6 7 [ -1 0 17 0 ] 4 3 [ -1 9 -3 9 -3 7 ] 6 8 [ -3 -1 -3 2 ] 8 9 [ -1 2 -1 3 ] 9 0 [ ] 7 10 [ 16 9 ] 10 11 [ 16 12 0 12 ] 11 2 [ ] 13 12 [ ] 13 15 [ 14 6 14 7 ] 13 14 [ 13 7 ] 12 15 [ 15 4 ] 14 15 [ 12 8 15 8 ] 12 14 [ 12 4 ] 16 18 [ 9 4 9 8 ] 16 19 [ 5 4 ] 18 19 [ 5 8 ] 16 17 [ ] 17 19 [ 6 6 6 7 ] 17 18 [ 8 6 ] 12 20 [ ] 20 8 [ 5 2 5 1 -2 1 ] 9 21 [ ] 21 16 [ 7 3 ] 18 23 [ 8 10 ] 23 11 [ 6 11 1 11 1 9 ] 10 22 [ 10 10 ] 22 14 [ 10 7 ]