C1311213331333132332133313331333133313331333133313331333131232232131221   >>    C131121333133313233213331333133313331333133313331333133313123223213122   <<    C1311213331333132332133313331333133313331333133313331333131232232131223   >>      C1311213331333132332133313331333133313331333133313331333131232232131222   >>