
 number of edges in minimal spanning tree =        5

 sum of the edges (miles) = 262.0000


 from,to:    3   6      Flint             Lansing       
 from,to:    1   3      Ann Arbor         Flint         
 from,to:    2   1      Detroit           Ann Arbor     
 from,to:    4   6      Grand Rapids      Lansing       
 from,to:    5   4      Kalamazoo         Grand Rapids  
