C3213322333133313113313221211113313331333133313121121123222233123231   >>    C321332233313331311331322121111331333133313331312112112322223312323   <<    C3213322333133313113313221211113313331333133313121121123222233123233   >>      C3213322333133313113313221211113313331333133313121121123222233123232   >>