/*
 * 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;
        } 
    
}


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

package javaapplication2;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Scanner;

/**
 *
 * @author portz
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void readFile(String filename,String outFile){
//        Buffer inpfile=new Buffer() {}
        Scanner scanner=null;

         Writer out=null;
        try {
            out = new OutputStreamWriter(new FileOutputStream(outFile));
        } catch (FileNotFoundException ex) {
System.out.println(ex.toString());
        }

        try {
            scanner = new Scanner(new FileInputStream(filename));
            try {
                  String text="";
                  int i=0;
                  int limit=0;
                  String []abstr;int A;int B;
                  while (scanner.hasNextLine()){

                    text=scanner.nextLine();
                    if(i==0){
                        i=1;
                        limit=Integer.parseInt(text);
                    }else{
                        if(i<=limit){
                            try {
                                abstr=text.split(" ");
                                A=Integer.parseInt(abstr[0]);
                                B=Integer.parseInt(abstr[1]);
                                out.write("Case #"+i+": "+getrecycle( A, B));
                                if(i!=limit){
                                    out.write("\n");
                                }
                                i++;
                            } catch (IOException ex) {
System.out.println(ex.toString());
                            }
                        }
                    }
                  }
             }
            finally{
                 if(out!=null){
                    try {
                        out.close();
                    } catch (IOException ex) {
                        System.out.println(ex.toString());
                    }
                 }
                  scanner.close();
            }
        } catch (FileNotFoundException ex) {
            System.out.println(ex.toString());
            //Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

    public static int getrecycle(int A,int B){
        String nostr;//=""+n;
        int digitno;//=nostr.length();
        int m;//=n;
        String temp;//=""+n;
        int j=0;

        for(int n=A;n<=B;n++){
            //System.out.println("---------------------------------");
             nostr=""+n;
             digitno=nostr.length();
             m=n;
             temp=""+n;
             //j=0;
          // System.out.println(temp);
           if(temp.charAt(0)=='0'){

           }else{
            for(int i=0;i<digitno-1;i++){
                temp=temp.charAt(digitno-1)+temp;
                temp=temp.substring(0, digitno);
                if(temp.charAt(0)=='0'){

                }else{
                   m=Integer.parseInt(temp);

                   if(m>n&&m<=B&&m>=A){
                       System.out.println(m);
                       j++;
                   }
                }
            }
           }
        }
        return j;
    }
    public static void main(String[] args) {
        readFile("C-small-attempt0.in", "C-small-attempt0.out");
        // TODO code application logic here
//        System.out.println(getrecycle( 1, 9));//1 9 10 40 100 500 1111 2222
//        System.out.println(getrecycle( 10, 40));//1 9 10 40 100 500 1111 2222
//        System.out.println(getrecycle( 100, 500));//1 9 10 40 100 500 1111 2222
//        System.out.println(getrecycle( 1111, 2222));//1 9 10 40 100 500 1111 2222
    }

}
