C1111233133313231133133313331333133313231232313331333131133131112111   >>    C111123313331323113313331333133313331323123231333133313113313111211   <<    C1111233133313231133133313331333133313231232313331333131133131112113   >>      C1111233133313231133133313331333133313231232313331333131133131112112   >>