C3123121111331312121111331333133313331333121333133313311221333223313221311   >>    C312312111133131212111133133313331333133312133313331331122133322331322131   <<    C3123121111331312121111331333133313331333121333133313311221333223313221313   >>      C3123121111331312121111331333133313331333121333133313311221333223313221312   >>