/*
 * 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 problem.c;
import java.util.Scanner;
import java.io.*;

/**
 *
 * @author Jason
 */
public class ProblemC {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Scanner input = new Scanner(System.in);
        System.out.println("Enter name of input file: ");
        File inputFile = new File(input.next());
        File outputFile = new File("output.txt");
        Scanner file = null;
        PrintWriter output = null;
        while(file == null)
        {
            try{
                file = new Scanner(inputFile);
                output = new PrintWriter(outputFile);
            }
            catch(Exception E){
                System.out.println("invalid file");
            }
        }
        int cases = file.nextInt();
        file.nextLine();
        for (int i = 0; i < cases;)
        {
            int pairs = 0;
            int A = file.nextInt();
            int B = file.nextInt();
            for(;A < B;A++)
            {
                int[] newA = null;
                if (A>999999)
                    newA = new int[7];
                else if (A>99999)
                    newA = new int[6];
                else if (A>9999)
                    newA = new int[5];
                else if (A>999)
                    newA = new int[4];
                else if (A>99)
                    newA = new int[3];
                else if (A>9)
                    newA = new int[2];
                else
                    newA = new int[1];
                int tempA = A;
                for(int j = newA.length-1; j >= 0;j--)
                {
                    newA[j] = tempA % 10;
                    tempA = tempA / 10;
                }
                int[] savedFound = {0, 0, 0, 0, 0, 0};
                int foundIterator = 0;
                for(int j = 0; j < newA.length-1; j++)
                {
                    int temp = newA[newA.length-1];
                    for(int k = 0; k < newA.length; k++)
                    {
                        int temp2 = newA[k];
                        newA[k] = temp;
                        temp = temp2;
                    }
                    temp = 0;
                    for(int k =  newA.length-1, tens = 1; k >= 0;k--,tens*=10)
                    {
                        temp += newA[k]*tens;
                    }
                    if (temp > A && temp <= B && temp != savedFound[0] && temp
                            != savedFound[1] && temp != savedFound[2] && temp
                            != savedFound[3] && temp != savedFound[4] && temp
                            != savedFound[5] )
                    {
                        pairs++;
                        savedFound[foundIterator++] = temp;
                    }
                }
            }
            output.println("Case #" + ++i + ": " + pairs);
        }
        output.close();
    }
}