import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

import sun.rmi.runtime.NewThreadAction;

import java.io.*;
import java.util.*;

/**
 * Created by IntelliJ IDEA.
 * User: Veniversum
 * Date: 4/15/12
 * Time: 2:26 AM
 */
public class Q3 {
    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream("in.txt")));
            Scanner scanner = new Scanner(new FileInputStream("in.txt"));
            int cases = scanner.nextInt();
            scanner.nextLine();
            String output="";
            for (int i= 0;i<cases;i++){
                HashSet<String> results = new HashSet<String>();
                Scanner sc = new Scanner(scanner.nextLine());
                int A = sc.nextInt();
                int B = sc.nextInt();
                int n;
                int m;
                for (int j = A; j <= B;j++) {
                    n = j;
                    m = j;
                    String str = ("" + m);
                    for (int k = 0; k < ("" + m).length();k++) {
                        if (A <= n && n < m && m <= B) {
                            results.add(m + "," + n);
                        }
                        str = str.concat("" + str.charAt(0)); //adds first digit to end
                        str = str.substring(1); //remove first digit
                        m = Integer.parseInt(str);
                    }
                }
                output += "Case #" + (i+1) + ": " + results.size() + "\n";
                PrintWriter outp = new PrintWriter(new FileOutputStream("out.txt"));
                  outp.print(output);
                outp.close();
            }
            System.out.print(output);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}
