GRAPH (#nodes #edges id uu vv ww xx yy zz):
10 24 geo(0,{10,50,3,0.200,0.000,0.000}) 50 

VERTICES (index name u v w x y z):
0 0 35 36 
1 1 40 46 
2 2 46 19 
3 3 14 10 
4 4 23 44 
5 5 8 36 
6 6 17 26 
7 7 26 40 
8 8 48 21 
9 9 30 23 

EDGES (from-node to-node length a b):
0 1 11 0 
1 9 25 0 
1 4 17 0 
1 2 28 0 
2 9 16 0 
3 8 36 0 
4 8 34 0 
5 8 43 0 
5 7 18 0 
6 8 31 0 
6 7 17 0 
8 9 18 0