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

import java.io.File;
import java.io.FileInputStream;
import java.util.Scanner;

/**
 *
 * @author imgps
 */
public class C {
    public static void main(String args[]) throws Exception{
        int A,B;
        int ctr = 0;
        int testCases;
        
        Scanner sc = new Scanner(new FileInputStream("C-small-attempt0.in "));
        testCases = sc.nextInt();
        int input[][] = new int[testCases][2];
        for(int i=0;i<testCases;i++)
        {
          //  System.out.print("Enter input A B: ");
            input[i][0] = sc.nextInt();
            input[i][1] = sc.nextInt();
            
        }
  

for(int k=0;k<testCases;k++){
      ctr = 0;
      A = input[k][0];
      B = input[k][1];
        for(int i = A;i<=B;i++){
            int num = i;
            int nMul = 1;
            int mul = 1; 
            int tnum = num/10;
            while(tnum > 0){
                mul = mul *10;
                tnum= tnum/10;
            }
            tnum = num;
            int n = 0;
            while(tnum > 0 && mul >= 10){
                nMul = nMul * 10;
                n = (num % nMul) * mul + (num / nMul);
                mul = mul / 10;
                tnum = tnum / 10;
                for(int m=num;m<=B;m++){
                    
                    if(n == m && m > num){
                        ctr++;
                    }
                }
                
                
                
         
            }
        }
        System.out.println("Case #"+(k+1)+": "+ctr);
        
    }
    }
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
//c prob 
import java.io.*;
import java.util.StringTokenizer;

/**
 *
 * @author abood
 */
public class test {
  static  int count =0,s=0;
    public static void main(String[] args) throws IOException {
        BufferedReader br =new BufferedReader(new FileReader("C-small-attempt0.in"));
   PrintWriter out =new PrintWriter(new BufferedWriter(new FileWriter("C-small-attempt0.out")));
        int loop=Integer.parseInt(br.readLine());
        for (int i = 1; i <=loop; i++) {
            count=0;
            StringTokenizer st=new StringTokenizer(br.readLine());
           int x=Integer.parseInt(st.nextToken());
           int y=Integer.parseInt(st.nextToken());
            for (int j = x; j < y; j++) {
                check(j,y);
            }
      out.println("Case #"+i+": "+count);
        }
        out.close();                                  // close the output file
    System.exit(0);  
    }
    public static void check(int xx,int yy){
        String res="";
        String x=""+xx;
        int l=x.length();
        String t="";
        for (int i = 1; i < l; i++) {
            t=x.substring(i, l)+x.substring(0,i);
            int m=Integer.parseInt(t);
            if(m<=yy&&m>xx){
               // System.out.println(xx+" "+t);
                if(res.contains(t))continue;
                res+=" "+t;
                count++;
                }
            
        }
    }
}
