L and B-1-2L and B-1L and B-2L and B-3L and B-4L and B-5L and B-6L and B-7L and B-8L and B-9L and B-10L and B-11L and B-12L and B-13L and B-14L and B-15L and B-16L and B-17L and B-18L and B-19