/*
 * 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;
        } 
    
}


package googlecodejam;

import java.io.*;
import java.util.HashSet;

public class Qualification_C {

	private static String inFile = "C://CodeJam/QCin.txt";
	private static String outFile = "C://CodeJam/QCout.txt";
	private static BufferedWriter writer;

	public static void main(String[] args) {
		try{
			writer = new BufferedWriter(new FileWriter(outFile));
			readInput();
			writer.close();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	
	private static void readInput(){
		try{
			FileInputStream fstream = new FileInputStream(inFile);
			// Get the object of DataInputStream
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			
			// test num
			strLine = br.readLine();
			int numTest = Integer.parseInt(strLine);
			
			for (int i = 0; i<numTest; i++){
				strLine = br.readLine();
				String[] num = strLine.split(" ");
				int a = Integer.parseInt(num[0]);
				int b = Integer.parseInt(num[1]);
				int count = 0;
				for (int j=a; j<b; j++){
					String str = Integer.toString(j);
					HashSet<Integer> list = swap(str);
					for (int x : list){
						if (x >j && x<=b){
							count ++;
						}
					}
				}
				println("Case #" + (i+1) + ": " + count);
			}
			
			//Close the input stream
			in.close();
		}catch (Exception e){
			e.printStackTrace();
		}
	}

	private static HashSet<Integer> swap(String str){
		HashSet<Integer> list = new HashSet<Integer>();
		for (int i=1; i<str.length(); i++){
			String x = str.substring(i, str.length()) + str.substring(0, i);
			list.add(Integer.parseInt(x));
		}
		return list;
	}

	public static void println(String msg) throws IOException {
		System.out.println(msg);
        writer.write(msg);
		writer.newLine();   // Write system dependent end of line.
    }
}
