C1311213331333132332133313331333133313331333312111133133313221312321111   >>    C131121333133313233213331333133313331333133331211113313331322131232111   <<    C1311213331333132332133313331333133313331333312111133133313221312321113   >>      C1311213331333132332133313331333133313331333312111133133313221312321112   >>