/*
 * 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.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;


public class Recycled {

	private static String FileNameFrom = "";
	private static String FileNameTo = "";
	
	/**
	 * @param args
	 */
	
	private int calculate(int n, int m){
		HashSet<String> pairsTest = null;
		int totalPairs = 0;
		String n_Str = null;
		int n_Length = 0;
		for(int i_n = n; i_n < m; i_n++){
			n_Str = String.valueOf(i_n);
			//System.out.println(n_Str);
			n_Length = n_Str.length();
			int afterShift = 0;
			pairsTest = new HashSet<String>();
			for(int move_n = 1; move_n<n_Length; move_n++){
				afterShift = getShifted(i_n,move_n);
				
				//System.out.println(afterShift);
				if((afterShift>i_n)&&(afterShift <= m)){
					if(!pairsTest.contains(i_n + "   " + afterShift)){
						pairsTest.add(i_n + "   " + afterShift);
						totalPairs = totalPairs + 1;
					}
					else{
						//System.out.println(i_n + "   " + afterShift);
					}
					
				}
			}
			pairsTest = null;
		}
		
		return totalPairs;
	}
	
	private int getShifted(int n,int moveToLast){
		
		StringBuffer n_SB = new StringBuffer();
		char[] moveThisPart = new char[moveToLast];
		n_SB.append(n);		
		n_SB.getChars(0, moveToLast, moveThisPart, 0);
		n_SB.delete(0, moveToLast);
		n_SB.append(moveThisPart);
		return Integer.valueOf(n_SB.toString());
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Recycled rec = new Recycled();
		
		rec.loadPropertiesFile("recycle");
		int testCaseNumber = 0;
		BufferedReader input = null;
		BufferedWriter bufferedWriter = null;
		String line = null;
		try {
			input =  new BufferedReader(new FileReader(FileNameFrom));
			bufferedWriter = new BufferedWriter(new FileWriter(FileNameTo));
			line = input.readLine();
			testCaseNumber = Integer.parseInt(line);
			
			for(int k =0;k<testCaseNumber;k++){
				line = input.readLine();
				line.trim();
				int i = line.lastIndexOf(" ");
				
				int iFirstSpace = line.indexOf(" ");
				//System.out.println(line.substring(0,iFirstSpace)+"  "+line.substring(i+1));
				
				String nStr = line.substring(0,iFirstSpace);
				String mStr = line.substring(i+1);
				
				int n = Integer.parseInt(nStr);
				int m = Integer.parseInt(mStr);
				
				int getR = rec.calculate(n, m);
				//System.out.println("test "+ getR);
				String str = "Case #"+(k+1)+": "+getR;
				//System.out.println(str);
				
				bufferedWriter.write(str);
				bufferedWriter.newLine();
				
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
            //Close the BufferedWriter
            try {
                if (bufferedWriter != null) {
                    bufferedWriter.flush();
                    bufferedWriter.close();
                }
                
                if(input != null){
					input.close();
				}
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
		
	}

	
	private void loadPropertiesFile(String name){
		ClassLoader loader = this.getClass().getClassLoader();
		final ResourceBundle rb = ResourceBundle.getBundle (name,
                Locale.getDefault (), loader);
		
		try{
			FileNameFrom = rb.getString("FileNameFrom");
			FileNameTo = rb.getString("FileNameTo");
			
		}catch(MissingResourceException mRE){
			System.out.println("Input proper keys in the properties file");
			System.exit(0);
		}
	}
}
