ring.ebin: A ring of 8 vertices BFS: 0,1,7,2,6,3,5,4

tree.ebin: A simple unbalanced tree of 11 vertices BFS: 0,1,2,3,4,5,6,7,8,9,10

google.ebin: A real world graph from a crawl of google ~500k vertices

aero1Belm: graphs from problematic parts in a 128Ki part 1B element aero mesh