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

package recycled;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.TreeSet;

/**
 *
 * @author Alfred
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
    try {
            FileInputStream fstream = new FileInputStream("C-small-attempt0.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            FileWriter outFile = new FileWriter("out.txt");
            PrintWriter out = new PrintWriter(outFile);
            String line;
            line = br.readLine();
            int cases = Integer.parseInt(line);
            for (int i=1; i<=cases;i++){
                line = br.readLine();
                String[] values = line.split(" ");
                int A = Integer.parseInt(values[0]);
                int B = Integer.parseInt(values[1]);
                int total=0;
                for (int n=A; n<=B;n++){
                    TreeSet<String> solutions = new TreeSet<String>();
                    for (int k=1;k<values[1].length();k++){
                        String m = circshift(n,k);
                        int mVal = Integer.parseInt(m);
                        if(mVal<=B && mVal!=n  && mVal> n && !m.startsWith("0") && m.length()==Integer.toString(n).length() )
                        {
                            solutions.add(m);
                        }                   
                    }
                    total+=solutions.size();
                }
                out.println("Case #"+i+": "+total);
            }
            in.close();
            out.close();
        } catch (Exception e) {//Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }

}

    private static String circshift(int n, int k) {
        String nString=Integer.toString(n);
        int len=nString.length();
        String m =  nString.substring(len-k)+nString.subSequence(0, len-k);
        //System.out.println(n+" "+m);
        return m;
    }

}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.*;
public class recycled {


	public static void main(String[] args) throws IOException	
	{
		
		BufferedReader in = new BufferedReader(new FileReader("C-small-attempt0.in"));
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("output.txt")));
		int nc = Integer.parseInt(in.readLine().trim());



		for (int z=1; z<=nc; z++){
			String[] line = in.readLine().trim().split("\\s+");
			int a = Integer.parseInt(line[0]);
			int b = Integer.parseInt(line[1]);
			boolean[] flgs = new boolean[2000000+1];
			int count = 0;
			for (int i = a; i <=b; i++)
			{
				
				List<Integer> list = new ArrayList<Integer>();
				list.add(i);
				if (flgs[i]) continue;
				
				int val = 1;
				String num1 = i+"";
				for (int j = 1; j <=num1.length(); j++)
				{

					String num2 = num1.substring(j) + num1.substring(0, j);
					int num = Integer.parseInt(num2);
					if (num2.charAt(0)!='0') if (num<=b&&num!=i&&num>a)  if (!flgs[num])
					{		
						list.add(num);
						val++;
						flgs[num] = true;
					}



				}
				val = val*(val-1);
				val>>=1;
				//if (val>0)tr(list);
				
				count+=val;	
				//if (val>0) System.out.println(count);

			}





			//MODIFY
			out.println(String.format("Case #%d: %d", z,count));
		}
		out.close();
	}
	public static void tr(Object...objects)
	{
		System.out.println(Arrays.deepToString(objects));
	}
}
