C3123223313331322121111331333133313331333121211113313222313212311   >>    C312322331333132212111133133313331333133312121111331322231321231   <<    C3123223313331322121111331333133313331333121211113313222313212313   >>      C3123223313331322121111331333133313331333121211113313222313212312   >>