/*
 * 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.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Hashtable;


public class RecycleNumber_1 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		try {
			BufferedReader br = new BufferedReader(new FileReader("/Users/kushal/Downloads/C-small-attempt1.in"));
			PrintWriter pr = new PrintWriter("/Users/kushal/Desktop/recycle.out");
			String line = "";
			br.readLine();
			int start;
			int end;
			int count;
			int number = -1;
			int temp , p1, p2;
			String str;
			int z = 1;
			HashSet<String> hash = new HashSet<String>();
			ArrayList<Integer> digits;
			while((line = br.readLine()) != null)
			{
				start = Integer.parseInt(line.split(" ")[0]);
				end = Integer.parseInt(line.split(" ")[1]);
				digits = new ArrayList<Integer>();
				count = 0;
				hash.clear();
				for(int i=start; i<=end; i++)
				{
				
					number = i;
					//hash.add(i);
					
					if(i == 121)
					{
						//System.out.println(i+"kk");
					}
					digits = new ArrayList<Integer>();
					while(number > 0)
					{
						digits.add(number%10);
						number /= 10;
					}
					number = digits.get(digits.size() - 1);
					for(int j = digits.size() - 2 ;j >= 0; j--)
					{
						str = "" + digits.get(j);
						if(j == 0 )
						{
							p1 = digits.size() -1;
						}
						else
						{
							p1 = j - 1;
						}
						str += "" + digits.get(p1);
						while(true)
						{							
							if(p1 == 0)
							{
								p1 = digits.size() -1;
							}
							else
							{
								p1 = p1 - 1;
							}
							if(p1 == j)
							{
								break;
							}
							str += "" + digits.get(p1);
						}
						//System.out.print(str + "\t");
						if(!str.startsWith("0"))
						{
							temp = Integer.parseInt(str);
							if((temp < i) && (temp >= start) && (temp <= end))
							{
								if(!hash.contains(i+"_"+temp))
								{
									hash.add(i+"_"+temp);
									//System.out.println(i + " "+ count);
									//continue;
									count++;
								}
							}
						}
					}
					//System.out.println();
				}
				System.out.println("Case #"+z+": "+count);
				z++;
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}
