C11112331333132311331333133313331333132332311331333131133131112111   >>    C1111233133313231133133313331333133313233231133133313113313111211   <<    C11112331333132311331333133313331333132332311331333131133131112113   >>      C11112331333132311331333133313331333132332311331333131133131112112   >>