C222133313331333131123313231333133313331333132332111133131133112232311   >>    C22213331333133313112331323133313331333133313233211113313113311223231   <<    C222133313331333131123313231333133313331333132332111133131133112232313   >>      C222133313331333131123313231333133313331333132332111133131133112232312   >>