C111112111133131121133133313331333133313221333133313232233313231   >>    C11111211113313112113313331333133313331322133313331323223331323   <<    C111112111133131121133133313331333133313221333133313232233313233   >>      C111112111133131121133133313331333133313221333133313232233313232   >>