/*
 * 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.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;

public class Cj2012_qr_c_java {
  // <Common Declarations>
  // private static final String IN_FILE = "test.in";
  // private static final String IN_FILE = "test_small.in";
  private static final String IN_FILE = "test_large.in";
  private static final String OUT_FILE = IN_FILE + ".out";
  private static final DateFormat DATE_FORMAT = new SimpleDateFormat("HH:mm.ss");

  private static long lBeginTimeMillis;
  private static BufferedReader bufferedReader;
  private static PrintWriter printWriter;

  private static int nNbCases, nIndexCase;

  // </Common Declarations>

  // <Specific Declarations>
  private static int A, B;
  private static long N;

  // </Specific Declarations>

  private static void begin() throws Exception {
    // <Common Commands>
    lBeginTimeMillis = System.currentTimeMillis();
    System.out.println(Cj2012_qr_c_java.class.toString());
    System.out.println("Begin: "
        + DATE_FORMAT.format(new Date(lBeginTimeMillis)) + ".");

    bufferedReader = new BufferedReader(new FileReader(IN_FILE));
    printWriter = new PrintWriter(new BufferedWriter(new FileWriter(OUT_FILE)));
    // </Common Commands>

    // <Specific Commands>
    nNbCases = Integer.parseInt(bufferedReader.readLine());
    // </Specific Commands>
  }

  private static void end() throws Exception {
    // <Specific Commands>
    // ...
    // </Specific Commands>

    // <Common Commands>
    bufferedReader.close();
    printWriter.close();

    long lEndTimeMillis = System.currentTimeMillis();
    System.out.println("End:   " + DATE_FORMAT.format(new Date(lEndTimeMillis))
        + ".");
    System.out.println((lEndTimeMillis - lBeginTimeMillis) + ".");
    // </Common Commands>
  }

  private static void readCase() throws Exception {
    // <Specific Commands>
    StringTokenizer strTokenizer = new StringTokenizer(
        bufferedReader.readLine(), " ");
    String strA = strTokenizer.nextToken();
    String strB = strTokenizer.nextToken();
    A = Integer.parseInt(strA);
    B = Integer.parseInt(strB);
    // </Specific Commands>
  }

  private static void processCase() {
    // <Specific Commands>
    N = 0;
    for (int i = A; i < B; i++) {
      String str = Integer.toString(i);
      Set<Integer> hashset = new HashSet<Integer>();

      for (int j = 1; j < str.length(); j++) {
        String str1 = str.substring(0, str.length() - j);
        String str2 = str.substring(str.length() - j, str.length());
        int n = Integer.parseInt(str2 + str1);
        N += n > i && n <= B && !hashset.contains(n) ? 1 : 0;
        hashset.add(n);
      }
    }
    // </Specific Commands>
  }

  private static void writeCase(int nIndexCase) throws Exception {
    // <Common Commands>
    printWriter.print("Case #");
    printWriter.print(nIndexCase + 1);
    printWriter.print(":");
    // </Common Commands>

    // <Specific Commands>
    printWriter.print(" ");
    printWriter.print(N);
    printWriter.println();
    // </Specific Commands>
  }

  public static void main(String[] args) throws Exception {
    // <Common Commands>
    begin();
    for (nIndexCase = 0; nIndexCase < nNbCases; nIndexCase++) {
      readCase();
      processCase();
      writeCase(nIndexCase);
    }
    end();
    // </Common Commands>
  }
}
