C313212111133131211331333133313331333231322331333133313232223132311   >>    C31321211113313121133133313331333133323132233133313331323222313231   <<    C313212111133131211331333133313331333231322331333133313232223132313   >>      C313212111133131211331333133313331333231322331333133313232223132312   >>