assertEquals(asList("5", "2", "3", "4", "6"), toList);
    fromList.remove(Integer.valueOf(2));
    assertEquals(asList("5", "3", "4", "6"), toList);
    fromList.remove(2);
    assertEquals(asList("5", "3", "6"), toList);

    /* toList modifications reflected in fromList */
    toList.remove(2);
    assertEquals(asList(5, 3), fromList);
    toList.remove("5");
    assertEquals(asList(3), fromList);

    assertEquals(asList("5", "2", "3", "4", "6"), toList);
    fromList.remove(Integer.valueOf(2));
    assertEquals(asList("5", "3", "4", "6"), toList);
    fromList.remove(2);
    assertEquals(asList("5", "3", "6"), toList);

    /* toList modifications reflected in fromList */
    toList.remove(2);
    assertEquals(asList(5, 3), fromList);
    toList.remove("5");
    assertEquals(asList(3), fromList);

	nlBQIndex         ID = 530
	nlCWIndex         ID = 531
	nlNLIndex         ID = 532
	nlSRIndex         ID = 533
	nlSXIndex         ID = 534
	nmgIndex          ID = 535
	nmgCMIndex        ID = 536
	nnIndex           ID = 537
	nnNOIndex         ID = 538
	nnhIndex          ID = 539
	nnhCMIndex        ID = 540
	noIndex           ID = 541
	nqoIndex          ID = 542
	nrIndex           ID = 543