C3132121111331312113313331333133313331333121111331333132313232233311   >>    C313212111133131211331333133313331333133312111133133313231323223331   <<    C3132121111331312113313331333133313331333121111331333132313232233313   >>      C3132121111331312113313331333133313331333121111331333132313232233312   >>