/*
 * 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;
    }

}


/**
 * Name: Shivam99
 * email: shivthedestroyer99@gmail.com
 */

import java.io.*;

public class ProblemC
{
    public static void main(String[] args) throws IOException{
        FileReader fr=new FileReader(args[0]);
        BufferedReader br=new BufferedReader(fr);
        String str=br.readLine();
        int t=Integer.parseInt(str);
        String ss="";
        int c=1;
        while(c<=t){
            str=br.readLine();
            int pos=str.indexOf(' ');
            String f=str.substring(0,pos);
            String s=str.substring(++pos,str.length());
            int a=Integer.parseInt(f);
            int b=Integer.parseInt(s);
            int ans=0;
            ss+="Case #"+c+": ";
            
            if(a!=b && f.length()>1){
              for(int ind=a;ind<b;ind++){
                int arr[]={0,0,0,0,0,0,0,0};
                String copy=""+ind;
                int count=1;
                while(count<copy.length()){
                  String next=copy.charAt(copy.length()-1)+copy.substring(0,copy.length()-1);
                  copy=next;
                  int num=Integer.parseInt(next);
                  if(num>ind && num<=b){
                      arr[count]=num;
                      boolean chk=true;
                      for(int j=1;j<=count;j++){
                        if(arr[j-1]==num)
                            chk=false;
                      }
                      if(chk)
                         ans++;
                  }
                  count++;
                }
              }
            }
           ss+=ans+"\n";
           c++;
        }
       System.out.print(ss);
       br.close();
       fr.close();
    }
}
