import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Iterator;

public class Main {
	public static Scanner sc=new Scanner(System.in);
	public static Printer pr=new Printer(System.out);
	public static void main(String[] args) {
		int d = sc.nextInt();
		for(;d>0;d--){
			new Main().solver();
		}
		pr.close();
	}

	void solver() {
		int n1 = sc.nextInt();
		int n2 = sc.nextInt();
		int m = sc.nextInt();
		int[] a = new int[m];
		for (int i = 0; i < m; i++) {
			a[i] = sc.nextInt();

		}
		
		Arrays.sort(a);
		

		boolean[] from = new boolean[n1 + 1];
		from[0] = true;
		int len = 0;
		for (int i = 0; i < m; i++) {
			boolean[] to = new boolean[100001];
			boolean f=false;
			for (int j = 0; j <= n1; j++) {
				if (from[j]) {
					if (j + a[i] <= n1) {
						to[j + a[i]] = true;
						f=true;
					}
					if ((len - j) + a[i] <= n2) {
						to[j] = true;
						f=true;
					}
				}
			}

			len+=a[i];
			from=to;

			if(!f){
				pr.println(i);
				return;
			}
		}
		pr.println(m);
	}
	
	void tr(Object...o){System.out.println(Arrays.deepToString(o));}
	private static class Scanner{
		BufferedReader br;
		Iterator<String> it;
		Scanner(InputStream in){
			br=new BufferedReader(new InputStreamReader(in));
		}
		String next()throws RuntimeException{
			try{
				if(it==null||!it.hasNext())
					it=Arrays.asList(br.readLine().split(" ")).iterator();
				return it.next();
			}catch(IOException e){
				throw new IllegalStateException();
			}
		}
		int nextInt() throws RuntimeException{
			return Integer.parseInt(next());
		}
		long nextLong() throws RuntimeException{
			return Long.parseLong(next());
		}
		double nextDouble() throws RuntimeException{
			return Double.parseDouble(next());
		}
		void close(){
			try{
				br.close();
			}catch(IOException e){
				throw new IllegalStateException();
			}
		}
	}
	private static class Printer extends PrintWriter{
		Printer(PrintStream out){
			super(out);
		}
	}
}