/*
 * 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");
    }

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

package a2012;

import java.util.*;
import java.io.*;
/**
 *
 * @author G
 */
public class C {

    static int[] pot10=new int[]{1,10,100,1000,10000,100000,1000000,10000000};
    static File home=new File("F:/Documents/Downloads/");
    public static void main(String...arg)throws Exception{
        Scanner sc = new Scanner(new File(home,"C-large.in"));
        System.setOut(new PrintStream(new File("c.out")));
        final int casos=sc.nextInt();
        for(int caso=1;caso<=casos;caso++){
            int A=sc.nextInt(),B=sc.nextInt();
            final int digits=(""+A).length();
            int tot=0;
            HashSet<Long> encontrados=new HashSet<Long>(1000);
            for(int n=A;n<=B;n++){
                //System.out.println(e);
                for(int i=1;i<digits;i++){
                    int j=n/pot10[i]+(n%pot10[i])*pot10[digits-i];
                    long t=Math.max(j,n);
                    t*=pot10[digits];
                    t+=Math.min(j,n);
                    if(j>=A&&j<=B&&j!=n&&!encontrados.contains(t)){
                        tot++;
                        encontrados.add(t);
                    }
                    //System.out.println(j);
                }
            }
            System.out.println("Case #"+caso+": "+tot);
        }
        System.out.close();
    }
}
