C1311213331333132332133313331333133313331333133313331333131232232111111211211   >>    C131121333133313233213331333133313331333133313331333133313123223211111121121   <<    C1311213331333132332133313331333133313331333133313331333131232232111111211213   >>      C1311213331333132332133313331333133313331333133313331333131232232111111211212   >>