C312322331333132212111133133313331333131133113313331333131211113322232233132311   >>    C31232233133313221211113313331333133313113311331333133313121111332223223313231   <<    C312322331333132212111133133313331333131133113313331333131211113322232233132313   >>      C312322331333132212111133133313331333131133113313331333131211113322232233132312   >>