C3213322333133313113313221211113313331333131231322333223133223231   >>    C321332233313331311331322121111331333133313123132233322313322323   <<    C3213322333133313113313221211113313331333131231322333223133223233   >>      C3213322333133313113313221211113313331333131231322333223133223232   >>