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

import java.util.HashSet;

/**
 *
 * @author vandit
 */
public class RecycleNumbers {

    private HashSet<String> numbers = new HashSet<String>();
    private HashSet<String> initialTempNumbers = new HashSet<String>();
    private HashSet<String> finalTempNumbers = new HashSet<String>();

    HashSet<Pair> numberPairs = new HashSet<Pair>();


    private void findRecycledNumbers(int start, int end, int places) {


        for (int i = start; i <= end; i++) {
            String initialNumber = Integer.toString(i);
            //if (!(numbers.contains(initialNumber) || finalTempNumbers.contains(initialNumber))) {

                StringBuffer tempNumber = new StringBuffer(initialNumber);
                int len = tempNumber.length();
                int startIndexToMove = len - places;
                String tempString = tempNumber.substring(startIndexToMove);
                if ((places == 1 && tempString.equals("0")) || tempString.charAt(0) == '0') {
                    continue;
                }
                tempNumber.delete(startIndexToMove, len);
                String finalTempNumber = tempString + tempNumber.toString();

                if (! (finalTempNumber.equals(initialNumber) || Integer.parseInt(finalTempNumber) > end || Integer.parseInt(finalTempNumber) < Integer.parseInt(initialNumber))) {
                    numbers.add(initialNumber);
                    finalTempNumbers.add(finalTempNumber);
                    Pair pair = new Pair(finalTempNumber,initialNumber);
                    numberPairs.add(pair);
                }
            }

        

    }

    public HashSet<Pair> findAllRecycledNumbers(int start, int end) {
        int length = Integer.toString(start).length();
        for (int i = 1; i < length; i++) {
            findRecycledNumbers(start, end, i);
        }
        return numberPairs;
    }
}

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.*;


public class GoogleCodeInP3{
    
    //processing file
    public static void main(String[] args) throws IOException {
        BufferedReader dog = new BufferedReader(new FileReader(args[0]));
        int a = -1;
        try {
            a = Integer.parseInt(dog.readLine());
        }
        catch (Exception e) { }
        FileWriter file = new FileWriter("outputFile8");
        BufferedWriter cat = new BufferedWriter(file);
        for (int i = 0; i < a; i++) {
            String line = dog.readLine();
            String[] barf= line.split(" ");
            cat.write("Case #" + (i + 1) + ": " + GoogleCodeInP3.solver(Integer.parseInt(barf[0]),Integer.parseInt(barf[1])));
            if (i < a - 1) { 
                cat.write("\n"); 
            }
        }
        cat.close();
    }
    
    
    
    public static int solver(int a, int b){
        int totalRecycledPair = 0; // returns the total number of recyled pairs 
        int m= a+1;
        for (int n= a; n < m; n++){
               for (m= n + 1; m < b+1; m++){
                   if ((m+"").length() == (n+"").length()){
                       String interN= n+"";
                       if (Integer.parseInt(interN) == m){
                           totalRecycledPair++;
                       }
                       for (int i= 0; i < interN.length(); i++){
                           interN= interN.charAt(interN.length()-1) + interN.substring(0,interN.length()-1);
                           if (Integer.parseInt(interN) == m){
                               totalRecycledPair++;
                           }
                       }
                   }
                }
         }
       return totalRecycledPair;
    }
}