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

package Happy;
import java.io.*;
import java.math.*;
import java.lang.*;
import java.util.*;
import java.util.Arrays.*;
import java.io.BufferedReader;
//import java.io.IOException;
//import java.io.InputStreamReader;
//import java.io.PrintWriter;
//import java.util.StringTokenizer;

/**
 *
 * @author ipoqi
 */
public class Happy {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new Happy().haha();
    }

    public void haha() {
        BufferedReader in = null;
        BufferedWriter out = null;
        try{
            in = new BufferedReader(new FileReader("C-large.in"));
            out = new BufferedWriter(new FileWriter("LLL.out"));
            int T = Integer.parseInt(in.readLine());
            System.out.println("T="+T);

            //LinkedList<Integer> mm = new LinkedList<Integer>();
            //mm.add(new LinkedList<Integer>());
           //int[][] mm;
           //for(int ii=0;ii<mm.length;ii++){
           //     mm[0][ii] = 1;
           //}


            for(int i=0;i<T;i++){
                String[] line = in.readLine().split(" ");
                int A = Integer.parseInt(line[0]);
                int B = Integer.parseInt(line[1]);
                //System.out.print(" A = "+A+"\n");
                //System.out.print(" B = "+B+"\n");

                int ans = 0;

                
                for(int j=A;j<B;j++){
                    int n=j;
                    if(n>=10){
                        String N = Integer.toString(n);
                        int nlen = N.length();
                        List<Integer> oks = new ArrayList<Integer>();
                        for(int k=0;k<nlen-1;k++){
                            String M = "";
                            for(int kk=1;kk<=nlen;kk++){
                                 M = M + N.charAt((k+kk)%nlen);
                            }
                            int m = Integer.parseInt(M);
                            //System.out.print(" N = "+N+"\n");
                            //System.out.print(" M = "+M+"\n");

                            if(m>n && m<=B) {
                                boolean isNewOne = true;
                                for(int kkk=0;kkk<oks.size();kkk++){
                                    //System.out.print(" KKK = "+oks.get(kkk)+"\n");
                                    if(m==oks.get(kkk)){
                                        isNewOne = false;
                                    }
                                }
                                if(isNewOne){
                                    //System.out.print(" N = "+N+"\n");
                                    //System.out.print(" M = "+M+"\n");
                                    oks.add(m);
                                    ans++;
                                }
                            }
                        }
                    }
                }
                out.write("Case #"+(i+1)+": "+ans+"\n");
                System.out.print("Case #"+(i+1)+": "+ans+"\n");
            }
            in.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            try{
                in.close();
                out.close();
            }catch(Exception e1){
                e1.printStackTrace();
            }
        }
        System.out.print("YES!\n");
    }

}
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Scanner;


public class recycled {
	private static File f = new File("C:/Users/Cybermask/Desktop/myfile.txt");
	private static File outfile = new File("C:/Users/Cybermask/Desktop/out.txt");
	private static BufferedReader reader;

	private static String read() throws Exception{
		return reader.readLine();
	}
	private static int toint(String s){
		return Integer.parseInt(s);
	}
	private static ArrayList<Object> reverse(ArrayList<Object>list){
		ArrayList<Object> result = new ArrayList<Object>();
		for(int i=0;i<list.size();i++)
			result.add(list.get(list.size()-i-1));
		return result;
		
	}
public static void main(String args[])throws Exception{
	reader = new BufferedReader(new FileReader(f));
	PrintWriter pw = new PrintWriter(outfile);
	int n = toint(read());
	for(int i = 0 ; i<n;i++){
		String string = read();
		Scanner s = new Scanner(string);
		s.useDelimiter(" ");
		int f = s.nextInt();
		int l = s.nextInt();
		int count = 0 ;
		pw.print("Case #"+(i+1)+": ");
	
		for(int k=f;k<=l;k++){
			String number = k+"";
			int first = toint(number);
			HashSet<Integer> hs = new HashSet<Integer>();
			for(int o=1;o<number.length();o++){
				
				String 	number2=number.substring(number.length()-o,number.length())+""+number.substring(0,number.length()-o);
				
		
				
				int result = toint(number2);
				if(number.length()==number2.length() &&result>=f && result<=l && result > first){
					hs.add(result);
				}
				
			}
			count+=hs.size();
		}
		pw.println(count);
		
		
	}
	pw.flush();
}
}