C3123223313331322121111331333133313331331121123121111331311331322333311   >>    C312322331333132212111133133313331333133112112312111133131133132233331   <<    C3123223313331322121111331333133313331331121123121111331311331322333313   >>      C3123223313331322121111331333133313331331121123121111331311331322333312   >>