C3213322333133313113313221211113313331333133313112212132123313111   >>    C321332233313331311331322121111331333133313331311221213212331311   <<    C3213322333133313113313221211113313331333133313112212132123313113   >>      C3213322333133313113313221211113313331333133313112212132123313112   >>