import java.util.*;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        B th = new B();
        for (int i = 0; i < T; i++) {
            int n = sc.nextInt();
            int s = sc.nextInt();
            int p = sc.nextInt();
            int[] t = new int[n];
            for (int j = 0; j < n; j++) {
                t[j] = sc.nextInt();
            }
            int c = th.getAnswer(s,p,t);
            System.out.println("Case #" + (i+1) + ": " + c);
        }
    }
    public int getAnswer(int s, int p, int[] t) {
        int A1 = p + p-1+p-1;
        int A2 = p + p-2+p-2;
        if (A1 < 0)
            A1 = 0;
        if (A2 < 0)
            A2 = 1;
        int remain = s;
        int count = 0;
        int n = t.length;
        for (int i = 0; i < n; i++) {
            if (t[i] >= A1) {
                count++;
            } else if (t[i] < A1 && t[i] >= A2) {
                if (remain > 0) {
                    remain--;
                    count++;
                }
            }
        }
        return count;
    }
}


import java.util.*;

public class B
{
	static int[] a;
	static int[][] dp;
	static int n, s, p;

	public static void main(String args[])
	{
		Scanner scan = new Scanner(System.in);

		int T = scan.nextInt();
		for(int ca=1;ca <= T;ca++)
		{
			n = scan.nextInt();
			s = scan.nextInt();
			p = scan.nextInt();
			a = new int[n];
			for(int i=0;i < n;i++)
				a[i] = scan.nextInt();

			dp = new int[n][s+1];
			for(int i=0;i < n;i++)
				Arrays.fill(dp[i], -1);

			System.out.println("Case #" + ca + ": " + f(0, s));
		}
		
	}


	public static int f(int K, int S)
	{
		if(K == n) return S == 0 ? 0 : -999999;
		if(dp[K][S] != -1) return dp[K][S];

		int rtn = 0;

		boolean[] b = new boolean[4]; //nobeat nosup, nobeat sup, beat nosup, beat sup

		for(int i=0;i <= 10;i++)
		for(int j=0;j <= i;j++)
		{
			if(i+j > a[K]) continue;
			int k = a[K] - (i+j);
			if(k > j) continue;

			if(i-k > 2) continue;

			//System.out.println(i + " " + j + " " + k + " " + a[K]);

			if(i >= p && i-k == 2) b[3] = true;
			if(i >= p && i-k < 2) b[2] = true;
			if(i < p && i-k == 2) b[1] = true;
			if(i < p && i-k < 2) b[0] = true;
		}


		if(S == 0 && !b[0] && !b[2]) return -999999;
		if(S > 0 && b[1]) rtn = Math.max(rtn, f(K+1, S-1));
		if(S > 0 && b[3]) rtn = Math.max(rtn, f(K+1, S-1)+1);
		if(b[0]) rtn = Math.max(rtn, f(K+1, S));
		if(b[2]) rtn = Math.max(rtn, f(K+1, S)+1);

		//System.out.println(K + " " + S + " " + rtn);
		return dp[K][S] = rtn;
		

	}
}