import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;


public class GooglersDancer {

	/**
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		InputStreamReader converter = new InputStreamReader(System.in);
		BufferedReader in = new BufferedReader(converter);
		if (in == null) {
		      return;
		    }
		String numTest = in.readLine();
		int maxCases = Integer.valueOf(numTest);
		for(int i=1;i<= maxCases;i++){
			String linea = in.readLine();
			String[] datos = linea.split(" ");
			Integer googlers = Integer.valueOf(datos[0]);
			Integer sospechosos = Integer.valueOf(datos[1]);
			Integer p = Integer.valueOf(datos[2]);
			Integer puntuacion;
			Integer personas = 0;
			ArrayList<Integer> puntuaciones = new ArrayList<Integer>();
			for(int j=0;j<googlers;j++){
				puntuacion = Integer.valueOf(datos[3+j]);
				puntuaciones.add(puntuacion);
			}
			Integer[] pOrdenado = null;
			pOrdenado = (Integer[]) puntuaciones.toArray(new Integer[puntuaciones.size()]);
			Arrays.sort(pOrdenado);
			int j;
			for(j=pOrdenado.length-1;j>=0;j--){
				if(pOrdenado[j] >= p*3-2){
					personas += 1;
				}else{
					break;
				}
			}
			int posibles = j+1-sospechosos;
			for(;j>=posibles && j>= 0;j--){
				if(pOrdenado[j] >= p*3-4 && pOrdenado[j] > p){
					personas += 1;
				}else{
					break;
				}
			}
			System.out.println("Case #"+i+": "+personas);
		}
	}

}


public class Scores {
	private int N;	// Number of Googlers
	private int S; 	// Number of surprising triplets of scores
	private int p;	// Score at least 
	private int[] t; 	// total point of Googlers

	public Scores(String str) {
		String[] tmpArr = str.split(" "); 
		N = Integer.parseInt(tmpArr[0]); 
		S = Integer.parseInt(tmpArr[1]);
		p = Integer.parseInt(tmpArr[2]);
		
		t = new int[N];
		for (int i=0; i<N; i++) {
			t[i] = Integer.parseInt(tmpArr[i+3]);
		}
	}
	
	public int getMaxNumberOfGooglerOverScore() {
		int minTNormal = 3 * p -2 ;  // Normal : p, p-1, p-1
		int minTSurprising = 3 * p - 4 ; // surprising triplets : p, p-2, p-2
		
		if (p == 0) {
			return t.length; 
		} else if (p == 1) {
			minTSurprising = 3 * p -2 ; // p, p-1, p-1 
		}
		
		
		int maxNumber = 0 ; 		
		int surpNumber = 0 ; 
		for (int i=0; i<N; i++) {
			if (t[i] >= minTNormal) {
				maxNumber++ ; 
			} else if (t[i] >= minTSurprising) {
				surpNumber++ ; 
			}
	 	}
		
		if (S < surpNumber) {
			surpNumber = S ;
		}
		
		return maxNumber+surpNumber; 
	}

}
