public void debugResults() {
        System.out.println("results");
        HashMap<Integer,Queue<String>> r = results.getHM();
        for (int key : r.keySet() ) {
            System.out.println(key);
            Queue<String> q = r.get(key);
            for (String s : q) {
                System.out.println(" " + s + " ");
            }
        }
    }