C312322331333132212111133133313331333131133113313331333131211113322333133121   >>    C31232233133313221211113313331333133313113311331333133313121111332233313312   <<    C312322331333132212111133133313331333131133113313331333131211113322333133123   >>      C312322331333132212111133133313331333131133113313331333131211113322333133122   >>