/*
 * 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.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Scanner;

// Qualification Round 2012
// Problem C

public class RecycledNumbers {

	public static void main(String[] args) {
		Scanner sc = null;
		try {
			sc = new Scanner(new File("C-small.in"));
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}

		PrintStream output = null;

		try {
			output = new PrintStream(new File("C-small.out"));
		} catch (IOException e) {
			e.printStackTrace();
		}

		int cases = sc.nextInt();
		sc.nextLine();

		for(int c = 0; c < cases; c++){
			int A = sc.nextInt();
			int B = sc.nextInt();
			HashSet<String> pairs = new HashSet<String>(); 

			for(int n = A; n <= B; n++){
				String testn = n + "";
				String testm = testn;
				int l = testn.length();

				for(int i = 0; i < l - 1; i++){
					testm = testm.charAt(l - 1) + testm.substring(0, l - 1);
					int m = Integer.parseInt(testm);
					if(n < m && m <= B && m > A){
						pairs.add(n + " " + m);
					}
				}

			}
			
			System.out.printf("Case #%d: %s\n", c + 1, pairs.size());
			output.printf("Case #%d: %s\n", c + 1, pairs.size());
		}
	}
}
