/*
 * 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.util.*;
import static java.lang.System.*;

class C{

    static public void main(String[] args){
	Scanner sc = new Scanner(System.in);
	int cases = Integer.parseInt(sc.nextLine());
	for(int c = 1; c<=cases; c++){
	    String[] s = sc.nextLine().split(" ");
	    int a = Integer.parseInt(s[0]);
	    int b = Integer.parseInt(s[1]);
	    int l = s[0].length();
	    int cnt = 0;
	    for(int i = a; i<b; i++){
		HashSet<Integer> set = new HashSet<Integer>();
		for(int pos = 1; pos<l; pos++){
		    int k = (int)Math.pow(10,pos);
		    int kk = (int)Math.pow(10,l-pos);
		    int front = i/k;
		    int back = i-front*k;
		    int newn = back*kk+front;
		    if(newn>i && newn<=b){
			set.add(newn);
		    }
		}
		cnt+=set.size();
	    }
	    out.println("Case #"+c+": "+cnt);
	}
    }
}