/*
 * 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.*;
import java.util.*;
public class Cre
{
 public static void main(String args[])throws FileNotFoundException,IOException
  {
      RandomAccessFile in=new RandomAccessFile("C-small-attempt0.in","r");
      FileOutputStream out= new  FileOutputStream("out.txt");
     int o=Integer.parseInt(in.readLine());
      int j=0;
     String str[]=new String[o+1];
     int res[]=new int[o];
     while((str[j]=in.readLine())!=null)
     {
       String []nos=str[j].split(" ");
       int a=Integer.parseInt(nos[0]);
       int b=Integer.parseInt(nos[1]);
       int []t=new int[b-a+1];
	    int m;
       for(int i=a,k=0;i<=b;i++,k++)t[k]=i;
       for(int i=0;i<t.length;i++)
       {
	     
		  
           String st=t[i]+"";
		   char ch[]=st.toCharArray();
		   ArrayList got=new ArrayList();
		   int g;
           for(int c=0;c<ch.length;c++)
		    { 
			   m=shift(ch);
			    int flag=1;
			   Iterator it=got.iterator();
			   while(it.hasNext())
			   {  
			    Integer inf=(Integer)it.next();
			     g=inf.intValue();
				 if(g==m) flag=0;
			   }
			   
			     if(m!=t[i]&&flag==1)
          {
		  got.add(m);
           for(int l=i+1;l<t.length;l++)
           {
              if(m==t[l])
              {
			     System.out.println(t[i]);
                    res[j]++;
                    
              }
           }
		   
          }
		  
            }
		  
       
		 
        }
      j++;
     }
     for(int i=0;i<o;i++)
    {
     out.write(("Case #"+(i+1)+": "+res[i]+"\n").getBytes());
    }
   }
   
   static int shift(char[] ch)
   {
     char temp=ch[ch.length-1];
     for(int i=ch.length-1;i>0;i--)
	  {
	    ch[i]=ch[i-1];
	  }
	  ch[0]=temp;
	  String st=new String(ch);
	  return Integer.parseInt(st);
   }

}