/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.File;
import java.io.FileInputStream;
import java.util.Scanner;

/**
 *
 * @author imgps
 */
public class C {
    public static void main(String args[]) throws Exception{
        int A,B;
        int ctr = 0;
        int testCases;
        
        Scanner sc = new Scanner(new FileInputStream("C-small-attempt0.in "));
        testCases = sc.nextInt();
        int input[][] = new int[testCases][2];
        for(int i=0;i<testCases;i++)
        {
          //  System.out.print("Enter input A B: ");
            input[i][0] = sc.nextInt();
            input[i][1] = sc.nextInt();
            
        }
  

for(int k=0;k<testCases;k++){
      ctr = 0;
      A = input[k][0];
      B = input[k][1];
        for(int i = A;i<=B;i++){
            int num = i;
            int nMul = 1;
            int mul = 1; 
            int tnum = num/10;
            while(tnum > 0){
                mul = mul *10;
                tnum= tnum/10;
            }
            tnum = num;
            int n = 0;
            while(tnum > 0 && mul >= 10){
                nMul = nMul * 10;
                n = (num % nMul) * mul + (num / nMul);
                mul = mul / 10;
                tnum = tnum / 10;
                for(int m=num;m<=B;m++){
                    
                    if(n == m && m > num){
                        ctr++;
                    }
                }
                
                
                
         
            }
        }
        System.out.println("Case #"+(k+1)+": "+ctr);
        
    }
    }
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author ZAMAN
 */
import java.io.*;

public class test {

    public static void main(String args[]) {
        try {
            BufferedReader a = new BufferedReader(new FileReader("B-large.in"));
            BufferedWriter b = new BufferedWriter(new FileWriter("B-large.out"));

            int Case = Integer.parseInt(a.readLine());
            for (int i = 1; i <= Case; i++) {
                String line[] = a.readLine().split(" ");
                int c[] = new int[line.length];
                b.append("Case #);" + i + ": ");
                for (int j = 0; j <= line.length - 1; j++) {
                    c[j] = Integer.parseInt(line[j]);

                }
                int contestants = c[0];
                int suprise = c[1];
                int margin = c[2];
                int best = 0;
                if (suprise == 0) {
                    for (int j = 0; j < contestants; j++) {
                        if (c[j + 3] % 3 == 0) {
                            if (c[j + 3] / 3 >= margin) {
                                best++;
                            }
                        } else if (c[j + 3] % 3 == 1 || c[j + 3] % 3 == 2) {
                            if (((c[j + 3] / 3) + 1) >= margin) {
                                best++;
                            }
                        }
                    }
                } else {
                    for (int j = 0, k = suprise; j < contestants; j++) {
                        int remain = c[j + 3] % 3;
                        int dv = c[j + 3] / 3;
                        if (remain == 0) {
                            if (dv >= margin) {
                                best++;
                            } else if (k > 0 && (dv + 1) >= margin && (dv + 1) <= c[j + 3]) {
                                best++;
                                k--;
                            }
                        } else if (remain == 1) {
                            if (((dv) + 1) >= margin && (dv + 1) <= c[j + 3]) {
                                best++;
                            }

                        } else if (remain == 2) {

                            if (((dv) + 1) >= margin && (dv + 1) <= c[j + 3]) {
                                best++;
                            } else if (k > 0 && (dv + 2) >= margin && (dv + 1) <= c[j + 3]) {
                                best++;
                                k--;
                            }
                        }
                    }

                }
                b.append("" + best);
                b.newLine();
            }
            b.flush();
            a.close();
            b.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}