C1311213331333132332133313331333133313331333131133133312111113222112221   >>    C131121333133313233213331333133313331333133313113313331211111322211222   <<    C1311213331333132332133313331333133313331333131133133312111113222112223   >>      C1311213331333132332133313331333133313331333131133133312111113222112222   >>