C312322331333132212111133133313331333133312121111331333131323223313113311311   >>    C31232233133313221211113313331333133313331212111133133313132322331311331131   <<    C312322331333132212111133133313331333133312121111331333131323223313113311313   >>      C312322331333132212111133133313331333133312121111331333131323223313113311312   >>