C222133313331333131123313231333133313331333133313331333131133133313123311   >>    C22213331333133313112331323133313331333133313331333133313113313331312331   <<    C222133313331333131123313231333133313331333133313331333131133133313123313   >>      C222133313331333131123313231333133313331333133313331333131133133313123312   >>