C3123121111331312121111331333132313331333133313331333223313232223131   >>    C312312111133131212111133133313231333133313331333133322331323222313   <<    C3123121111331312121111331333132313331333133313331333223313232223133   >>      C3123121111331312121111331333132313331333133313331333223313232223132   >>