C3123223313331322121111331333133313331333121211113313113313112233311   >>    C312322331333132212111133133313331333133312121111331311331311223331   <<    C3123223313331322121111331333133313331333121211113313113313112233313   >>      C3123223313331322121111331333133313331333121211113313113313112233312   >>