C3123223313331322121111331333133313331331121123121111331333112333311   >>    C312322331333132212111133133313331333133112112312111133133311233331   <<    C3123223313331322121111331333133313331331121123121111331333112333313   >>      C3123223313331322121111331333133313331331121123121111331333112333312   >>