L+G-1L+G-2L+G-3L+G-4L+G-5L+G-6L+G-7L+G-8L+G-9L+G-10L+G-11L+G-12L+G-13L+G-14L+G-15L+G-16L+G-17L+G-18L+G-19L+G-20