C11112331333132311331333133313331333132332311331333133313111133121   >>    C1111233133313231133133313331333133313233231133133313331311113312   <<    C11112331333132311331333133313331333132332311331333133313111133123   >>      C11112331333132311331333133313331333132332311331333133313111133122   >>