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;
	}
}

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

import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Arber
 */
public class Google {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Path input_path = new File("Input.in").toPath();
        try {
            List<String> input_list = Files.readAllLines(input_path,Charset.forName("UTF-8"));
            int begin = 0;
            while(begin<input_list.size())
            {
                int start = new Integer(input_list.get(begin)).intValue();
                for(int i = 0; i<start; i++)
                {
                    String[] in = input_list.get(begin+i+1).split(" ");
                    System.out.println("Case #"+(i+1)+"; " +google3(new Integer(in[0]).intValue(), new Integer(in[1]).intValue()));
                }
                begin = begin + start + 1;
            }
        } catch (IOException ex) {
            Logger.getLogger(Google.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    
    public static int google3(int n, int m)
    {
        ArrayList<String> a1 = new ArrayList<String>();
        for(int i = n; i<=m; i++)
        {
            for(int j = 1; j<(""+n).length();j++)
            {
                int rec = recycled(""+i, j);
                if(rec>=n &&rec<=m && rec != i)
                {
                    if(rec<i)
                    {
                        String tem = (""+rec)+(""+i);
                        if(!a1.contains(tem))
                            a1.add(tem);
                    }
                    else
                    {
                        String tem = (""+i)+(""+rec);
                        if(!a1.contains(tem))
                            a1.add(tem);
                    }
                }
            }
        }
        return a1.size();
            
    }
    public static int recycled(String s, int m)
    {
        s = s.substring(s.length()-m) + s.substring(0,s.length()-m);
        return new Integer(s).intValue();
    }
}
