C312322331333132212111133133313331333131133113313331333133313123213311   >>    C31232233133313221211113313331333133313113311331333133313331312321331   <<    C312322331333132212111133133313331333131133113313331333133313123213313   >>      C312322331333132212111133133313331333131133113313331333133313123213312   >>