@Test
  public void test2() {

    assertFalse(validator89.isValid("1098503"));
    assertFalse(validator89.isValid("32028003"));
    assertFalse(validator89.isValid("218433003"));
  }
  @Test
  public void test1() {

    assertTrue(validator89.isValid("1098506"));
    assertTrue(validator89.isValid("32028008"));
    assertTrue(validator89.isValid("218433000"));
  }