C3213322333133313113313221211113313331333133313121121123222123123111   >>    C321332233313331311331322121111331333133313331312112112322212312311   <<    C3213322333133313113313221211113313331333133313121121123222123123113   >>      C3213322333133313113313221211113313331333133313121121123222123123112   >>