@Test
 public void testLoadBalancing() throws Exception {
   Main.main(
       new String[] {
         "-s", "run/seeds.txt",
         "-o", "run/data.gz",
         "-c", "5"
       });
 }
 @Ignore
 @Test
 public void testBFS() throws Exception {
   Main.main(new String[] {"-s", "run/seeds.txt", "-o", "run/data.gz", "-b", "1", "5", "1"});
 }