iterables.add(Ordering.<Integer>natural().sortedCopy(list));
    }

    verifyMergeSorted(iterables, allIntegers);
  }

  // Like the pyramid, but creates more unique values, along with repeated ones.
  public void testMergeSorted_skipping_pyramid() {
    List<Iterable<Integer>> iterables = Lists.newLinkedList();
    List<Integer> allIntegers = Lists.newArrayList();

    for (int i = 0; i < 20; i++) {

      iterables.add(Ordering.<Integer>natural().sortedCopy(list));
    }

    verifyMergeSorted(iterables, allIntegers);
  }

  // Like the pyramid, but creates more unique values, along with repeated ones.
  public void testMergeSorted_skipping_pyramid() {
    List<Iterable<Integer>> iterables = Lists.newLinkedList();
    List<Integer> allIntegers = Lists.newArrayList();

    for (int i = 0; i < 20; i++) {