/*
 * 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);
        
    }
    }
}

import java.io.*;
import java.util.*;

public class RecycledNumbersSmall {
	public static void main(String[] args) {
		try {
			FileWriter output = new FileWriter(new File("output.txt"));
			Scanner s = new Scanner(new File("input.txt"));
			int trials = s.nextInt();
			s.nextLine();
			for (int i = 0; i < trials; i++) {
				int count = 0;
				int start = s.nextInt();
				int end = s.nextInt();
				for (int b = end; b >= start; b--) {
					String numWord = b + "";
					ArrayList<Integer> added = new ArrayList<Integer>();
					for (int z = numWord.length() - 1; z >= 1; z--) {
						if (numWord.charAt(z) != '0') {
							int x = Integer
									.parseInt(numWord.substring(z,
											numWord.length())
											+ numWord.substring(0, z));
							if (x < b && x >= start && !added.contains(x)) {
								added.add(x);
								count++;
							}
						}
					}
				}
				output.write("Case #" + (i + 1) + ": ");
				output.write("" + count);
				output.write('\n');
			}
			s.close();
			output.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}
