C3213322333133313113313221211113313331333133313121121123222123223311   >>    C321332233313331311331322121111331333133313331312112112322212322331   <<    C3213322333133313113313221211113313331333133313121121123222123223313   >>      C3213322333133313113313221211113313331333133313121121123222123223312   >>