/*
 * 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.File;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;


public class Recycle {
	
	static Set<Integer> chosen ;
	static int a = 0;
	static int b = 0;
	public static PrintWriter pw;
	
	public static void main(String[] args) throws Exception {
		try{
			File f = new File("\\\\filesrv/stufiles$/matt.tough/out.txt");
			f.createNewFile();
			pw = new PrintWriter(f);
		}catch(Exception e){
			
		}
		Scanner in = new Scanner(new File("\\\\filesrv/stufiles$/matt.tough/C-large.in"));
		//Scanner in = new Scanner(System.in);
		String line = in.nextLine();
		int cases = Integer.parseInt(line);
		for (int t=0; t < cases; t++){
			line = in.nextLine();
			Scanner thisLine = new Scanner (line);
			a = thisLine.nextInt();
			b = thisLine.nextInt();
			
			int minDigits = ((int)Math.floor(Math.log10(a)))+1;
			int maxDigits = ((int)Math.floor(Math.log10(b)))+1;
			
			int count = 0;
			chosen = new HashSet<Integer>();
			
			for (int digits = minDigits; digits <= maxDigits; digits++){
				if (digits < 2){
					count += 0;
				}else{
					int minNum =(int) Math.pow(10, digits-1);
					int maxNum =(int) Math.pow(10, digits);
					for (int i = minNum; i < maxNum; i++){
						
						if(i > b){
							
							break;
						}
						
						
						
						if(i>=a){
						String thisNum = i+"";
						count += countPairsAdded(thisNum);
						}
						
					}
					
				}
			}
			
			pw.printf("Case #%d: %d\n", t+1,count);
			
			
			
			
		}
		pw.flush();
	}
	
	public static int countPairsAdded(String s){
		
		
		int count =0;
		int num = Integer.parseInt(s);
		if (chosen.contains(num))
			return 0;
		
		
		for (int shift = 0; shift < s.length() ; shift++){
			String test = shift(s,shift);
			int i = Integer.parseInt(test);
			if(i <= b && i >=a && i != num &&  !chosen.contains(i)){
				//System.out.println(test);
				count++;
				chosen.add(i);
			}
			
		}
		
		//System.out.println(count);
		
		
		
		count *= count+1;
		count /=2;
		
		return count;
	}
	
	public static String shift(String s, int shift){
		return s.substring(shift) + s.substring(0,shift);
		
	}

}
