C1311213331333132332133313331333133313331333133313331333133313331121322121   >>    C131121333133313233213331333133313331333133313331333133313331333112132212   <<    C1311213331333132332133313331333133313331333133313331333133313331121322123   >>      C1311213331333132332133313331333133313331333133313331333133313331121322122   >>