/*
 * 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.FileReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

/**
 * Created by IntelliJ IDEA.
 * User: Jack Man
 * Date: Apr 13, 2012
 * Time: 9:12:01 PM
 * To change this template use File | Settings | File Templates.
 */
public class RecycledNum {
    public static void main(String[] args) {


        try {
            String filePath = "c:\\projects\\codejam\\input\\recycled.txt";
            StringBuffer fileData = new StringBuffer();
            BufferedReader reader = new BufferedReader(new FileReader(filePath));
            String strLine;

            Integer inputNum = 0;
            List<String> googlereseList = new ArrayList<String>();
            int line = 0;
            Integer cases = null;
            ArrayList<String> solutions = new ArrayList<String>();
            while ((strLine = reader.readLine()) != null) {
                if (line == 0) {
                    line++;
                    continue;
                }
                //
                String[] inputs = strLine.split(" ");
                int start = Integer.parseInt(inputs[0]);
                int end = Integer.parseInt(inputs[1]);

                int found = 0;
                HashMap<String, Boolean> dupeMap = new HashMap<String, Boolean>();
                for (int i = start; i <= end; i++) {
                    String s = i + "";
                    for (int y = 1;y< s.length();y++) {

                        //System.out.println((s.length()-y);
                        String right = s.substring(s.length()-y);
                        String left = s.substring(0, s.length()-y);
                        //System.out.println("Attempt to shift " + y + " digits from the right of " + s + " (" + left + ")(" + right + ")");
                        String mirror = right + left;
                        //remove leading zeros
                        boolean foundZero = false;
                        char[] chars = mirror.toCharArray();
                        String mirrorEnd = "";
                        for (char c : chars) {
                            if (c == '0' && !foundZero) {
                                continue;
                            }
                            foundZero = true;
                            mirrorEnd+=c;

                        }
                        if (s.length() != mirrorEnd.length()) continue;
                        Integer n = Integer.parseInt(s);
                        Integer m = Integer.parseInt(mirrorEnd);

                        if (n.equals(m)) continue;
                        if (start <= n && n < m && m <= end) {
                            if (dupeMap.get(n + "-" + m) != null) {
                                continue;
                            }
                            found++;
                            //System.out.println("\t[" + found + ":MARK] set of " + n + ", " + m);
                            dupeMap.put(n + "-" + m, true);
                        }


                    }


                }
                  System.out.println("Case #" + line + ": " + found);
                //
                line++;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
