public ArrayList<Integer> findeReihen(int num) {
		ArrayList a = new ArrayList<Integer>();
		int count = 0;
		for (char[] ca : splaetze) {
			String s = "";
			for (char c : ca) {
				if (c != NBELEGBAR)
					s += c;
			}
			String[] sa = s.split("" + BELEGT);
			for (String ss : sa) {
				if (ss.length() >= num) {
					a.add(count);
					break;
				}
			}
			count++;
		}
		return a;
	}