import java.io.*;
import java.math.*;
import java.util.*;
import java.text.*;

public class b {
    public static void main(String[] args) {
        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        int T = sc.nextInt();

        for (int casenumber = 1; casenumber <= T; ++casenumber) {

            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();

            int[] ts = new int[n];
            for (int i = 0; i < n; ++i)
                ts[i] = sc.nextInt();

            int thresh1 = (p == 1 ? 1 : (3 * p - 4));
            int thresh2 = (3 * p - 2);

            int count1 = 0, count2 = 0;

            for (int i = 0; i < n; ++i) {
                if (ts[i] >= thresh2) {
                    ++count2;
                    continue;
                }
                if (ts[i] >= thresh1) {
                    ++count1;
                }
            }

            if (count1 > s) {
                count1 = s;
            }

            System.out.format("Case #%d: %d%n", casenumber, count1 + count2);
        }
    }
}

import java.io.BufferedReader;
import java.io.IOException;

public class TestTwoSolver extends SolverModule {

	public StringBuilder process(BufferedReader in, StringBuilder builder)
			throws IOException {
		in.readLine();
		String line = in.readLine();
		int count = 1;
		while (line != null) {
			line = processline(line);
			appendLine(line, builder, count);
			count++;
			line = in.readLine();
		}
		return builder;
	}

	private String processline(String line) {
		int[] lines = toIntegers(line.split(" "));
		int bestResultCount = 0;
		int S = lines[1];
		int p = lines[2];
		for (int i = 3; i < lines.length; i++) {
			if (lines[i] >= (p - 1) * 2 + p) {
				bestResultCount++;
			} else {
				if (lines[i] >= (p - 2) * 2 + p) {
					if (S > 0 && (p - 2) >= 0) {
						S--;
						bestResultCount++;
					}
				}
			}
		}
		return String.valueOf(bestResultCount);
	}

	private int[] toIntegers(String[] split) {
		int[] ints = new int[split.length];
		for (int i = 0; i < split.length; i++) {
			ints[i] = Integer.valueOf(split[i]);
		}
		return ints;
	}
}
