}

    verifyMergeSorted(iterables, allIntegers);
  }

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

    for (int i = 0; i < 20; i++) {
      List<Integer> list = new LinkedList<>();