/*
 * 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.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;


public class C {

	public final String INPUT_FILE_NAME = "c_in";
	public final String OUTPUT_FILE_NAME = "c_out";
	
	int kase = 1;
	int T = 0;
	int a,b;
	public void run() throws IOException{
		Scanner s = new Scanner(new File(INPUT_FILE_NAME));
		PrintWriter pw = new PrintWriter(new FileWriter(OUTPUT_FILE_NAME));
		//PrintWriter pw = new PrintWriter(new OutputStreamWriter(System.out));
		
		T = s.nextInt();
		while (T-- > 0){
			a = s.nextInt();
			b = s.nextInt();
			
			int ans = 0;
			for (int i = a; i <=b ; i++) {
				for (int j = i+1;j <=b ; j++) {
					String s1 = i + "";
					//String s2 = j + "";
					String temp = "";
					for (int k = 1; k < s1.length() ; k++) {
						temp = s1.substring(s1.length() - k) + s1.substring(0,s1.length()-k);
						int r1 = Integer.parseInt(temp); 
						if (r1 == j){
							ans++;
							break;
						}
					}
				}
			}
			
			pw.println("Case #" + kase + ": " + ans);
			kase++;
		}
		
		pw.close();
		s.close();
	}
	
	
	public static void main(String[] args) throws IOException {
		(new C()).run();
	}

}
