C1311213331333132332133313331333133313331333133313331333131232232111112111121   >>    C131121333133313233213331333133313331333133313331333133313123223211111211112   <<    C1311213331333132332133313331333133313331333133313331333131232232111112111123   >>      C1311213331333132332133313331333133313331333133313331333131232232111112111122   >>