C111112111133131121133133313331333133313123221211113313232223311111   >>    C11111211113313112113313331333133313331312322121111331323222331111   <<    C111112111133131121133133313331333133313123221211113313232223311113   >>      C111112111133131121133133313331333133313123221211113313232223311112   >>