C1311213331333132332133313331333133313331333133313331333131232232133211211   >>    C131121333133313233213331333133313331333133313331333133313123223213321121   <<    C1311213331333132332133313331333133313331333133313331333131232232133211213   >>      C1311213331333132332133313331333133313331333133313331333131232232133211212   >>