GasStations

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

/**
 * Tuenti Programming Contest
 * Challenge 11: Gas stations
 * @author alefhidalgo [at] gmail [dot] com
 */
public class GasStations {

    public static final String NO_STOPS = "No stops";

    public String calculateGasStations(long autonomy, long totalDistanceToTravel, List<Long> distances) {
        if (autonomy >= totalDistanceToTravel) {
            return GasStations.NO_STOPS;
        }
        StringBuilder sbfGasStation = new StringBuilder();
        if(distances.size() == 1){
            return String.valueOf(distances.get(0));
        }
        long lastDistance = 0;
        for (int i = 1; i < distances.size(); i++) {
            if ((distances.get(i) - lastDistance) > autonomy) {
                sbfGasStation.append((sbfGasStation.length() > 0 ? " " : "") + distances.get(i - 1));
                lastDistance = distances.get(i - 1);
                if ((lastDistance + autonomy) >= totalDistanceToTravel) {
                    break;
                }
            }
        }
        return sbfGasStation.toString();
    }

    public static void main(String args[]) {
        GasStations gasStations = new GasStations();
        long autonomy;
        long totalDistanceToTravel;
        List<Long> distances;
        Scanner in = new Scanner(System.in);
        Scanner lineScanner = null;
        int nCases = Integer.parseInt(in.nextLine().trim());
        for (int i = 0; i < nCases; i++) {
            autonomy = Integer.parseInt(in.nextLine().trim());
            totalDistanceToTravel = Integer.parseInt(in.nextLine().trim());
            int totalDistances = Integer.parseInt(in.nextLine().trim());
            distances = new ArrayList<Long>(totalDistances);
            lineScanner = new Scanner(in.nextLine());
            for (int j = 0; j < totalDistances; j++) {
                distances.add(lineScanner.nextLong());
            }
            System.out.println(gasStations.calculateGasStations(autonomy, totalDistanceToTravel, distances));
        }
    }
}