public static String decompress_all(List<Integer> compressed) {
		StringBuffer result = new StringBuffer();
		for (int k : compressed) {
			for (java.util.Map.Entry<String, Integer> entry : dictionary_global.entrySet()) {
				if (entry.getValue().equals(k)) {
					//                System.out.println(entry.getKey());
					result.append(entry.getKey());
				}
			}
		}
		return result.toString();
	}