C3123223313331322121111331333133313331333121211111211113321313232311   >>    C312322331333132212111133133313331333133312121111121111332131323231   <<    C3123223313331322121111331333133313331333121211111211113321313232313   >>      C3123223313331322121111331333133313331333121211111211113321313232312   >>