/*
 * 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.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

public class RecycledNumbers {
	private static boolean isRecycled(long f,long s){

		String str1 = String.valueOf(f);
		String str2 = String.valueOf(s);
		
		if(str1.length()!=str2.length()){
			return false;
		}
		
		for(int i=1;i<str1.length();i++){
			String tmp = str1.substring(i)+str1.substring(0, i);
			if(tmp.equals(str2)){
				return true;
			}
		}
		
		return false;
	}
	
	public static void main(String[] args) {
			try{
				// Get the object of DataInputStream
				//DataInputStream in = new DataInputStream(System.in);
				BufferedReader br = new BufferedReader(new FileReader("C-small-attempt0.in"));
				FileWriter fstream = new FileWriter("out.txt");
				BufferedWriter out = new BufferedWriter(fstream);
				String strLine;
				
				strLine = br.readLine();
				int T = Integer.valueOf(strLine);
				for(int i=0;i<T;i++){
					long counter = 0;
					strLine = br.readLine();
					String[] list = strLine.split(" ");
					long A = Long.valueOf(list[0]);
					long B = Long.valueOf(list[1]);
					for(long j=A;j<=B;j++){
						for(long k=j+1;k<=B;k++){
							if(isRecycled(j,k)){
								counter++;
							}
						}
					}
										
					out.write("Case #"+(i+1)+": "+counter+"\n");
				}

				//Close the input stream
				br.close();
				out.close();
			}catch (Exception e){//Catch exception if any
				System.err.println("Error: " + e.getMessage());
				e.printStackTrace();
			}		

		}
}
