/*
 * 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.FileInputStream;
import java.io.FileNotFoundException;
import java.util.HashSet;
import java.util.Scanner;

public class C {
	public static int factorial(int x) {

		int fact = 1;

		for (int i = 2; i <= x; i++) {

			fact *= i;

		}
		return fact;
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
//		Scanner s = null;
//		try {
//			s = new Scanner(new FileInputStream("s.in"));
//		} catch (FileNotFoundException e) {
//			// TODO Auto-generated catch block
//			e.printStackTrace();
//		}
		int lines = s.nextInt();
		for (int i = 1 ; i <= lines ;i++){
			int A = s.nextInt();
			int B = s.nextInt();
			HashSet<Integer> h = new HashSet<Integer>();
			for (int j  = A;j<=B;j++){
				h.add(j);
			}
			
			int comb = 0;
			for (int j  = A;j<=B;j++){
				if (!h.remove(j)){
					continue;
				}
				int len = (int)Math.log10(j);
				int c = 1;
				int newj = j;
				for (int k = 0; k < len;k++){
					newj = newj/10 + (newj % 10)*((int)Math.pow(10, len));
					if (h.remove(newj)){
						
						c++;
					}
				}
				if (c !=1){
					comb += factorial(c)/(factorial(c-2)*2);
				}
				
			}
			System.out.printf("Case #%d: %d\n",i,comb);
		}
	}
}
