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

import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author daniele
 */
public class GCJ_C {
    
    public static void main(String[] args) throws Exception{
        
        
        
        Scanner in = new Scanner(new File(args[0]));
        FileWriter out = new FileWriter("/home/daniele/Scrivania/Output");
        

        int prove=in.nextInt();
        int min,max;
        int cifre;
        int cifreaus;
        String temp;
        int aus;
        int count=0;
        ArrayList<Integer> vals = new ArrayList<Integer>();
        int jcount=0;
        ArrayList<Integer> perm = new ArrayList<Integer>();
        
        out.write("");
        out.flush();
        
        for(int i=1;i<=prove;i++){
            
            out.append("Case #" +i+": ");out.flush();
            
            min=in.nextInt();
            max=in.nextInt();
            
            for(int j=min;j<=max;j++){
               if(!vals.contains(j)){
                    temp=""+j;
                    cifre=temp.length();
                    aus=j;
                    perm.add(j);
                    for(int k=1;k<cifre;k++){
                        aus=rotateOnce(aus);
                        temp=""+aus;
                        cifreaus=temp.length();//elusione zeri iniziali
                        if(aus>=min && aus<=max && aus!=j && cifreaus==cifre && nobody(vals,perm)){ 
                            perm.add(aus);
                            jcount ++;
                            
                        }
                        
                    }
                    while(jcount>0){count+=jcount; jcount--;}
                    vals.addAll(perm);
                    perm= new ArrayList<Integer>();
                    
                }
            }
            out.append(count+"\n");out.flush();
            count=0;
            vals= new ArrayList<Integer>();
        }
        
        
        
    }
        static public int rotateOnce(int n){
            String s=""+n;
            if(s.length()>1){
                s=s.charAt(s.length()-1) + s.substring(0,s.length()-1);
                n=Integer.parseInt(s);
            }
            return n;
        }    
        
        static public boolean nobody(ArrayList<Integer> v,ArrayList<Integer> a){;
            for(int i=0;i<a.size();i++)
                if(v.contains(a.get(i))) return false;
            return true;
        } 
    
}


import java.io.*;
import java.util.*;
public class Prob3
{
    public static void main (String[] args) throws IOException
    {
	BufferedReader in = new BufferedReader (new FileReader ("C-small-attempt0.in"));
	PrintWriter out = new PrintWriter (new FileWriter ("OUT3.txt"));
	int T = Integer.parseInt (in.readLine ().trim ()), c, a, b;
	StringTokenizer st;
	String temp, hold;
	ArrayList p;
	for (int x = 0 ; x < T ; x += 1)
	{
	    c = 0;
	    st = new StringTokenizer (in.readLine ());
	    a = Integer.parseInt (st.nextToken ());
	    b = Integer.parseInt (st.nextToken ());

	    for (int y = a ; y < b ; y += 1)
	    {
		if (y > 10)
		{
		    temp = Integer.toString (y);
		    p = new ArrayList ();
		    for (int z = 0 ; z < temp.length () - 1 ; z += 1)
		    {
			hold = temp.substring (z + 1) + temp.substring (0, z + 1);
			if (hold.charAt (0) != '0' && Integer.parseInt (hold) > Integer.parseInt (temp) && Integer.parseInt (hold) <= b && p.contains (hold) == false)
			{
			    c += 1;
			    p.add (hold);
			}
		    }
		}
	    }
	    out.println ("Case #" + (x + 1) + ": " + c);
	}
	out.close ();
    }
}


