/*
 * 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;
    }
}

package google;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Scanner;

public class Recycled 
{
    public static void main(String[] args) throws FileNotFoundException, IOException 
    {
        IO.changeGoogleIO('C', 0);
        
        Scanner input = new Scanner(System.in);
        
        int n = input.nextInt();
        int a, b;
        int x, digit;
        int len;
        int result0;
        String s;
        String result;
        
        for (int i = 0; i < n; ++i) 
        {
            result = "Case #" + (i + 1) + ": "; 
            
            a = input.nextInt();
            b = input.nextInt();
            
            result0 = 0;
            
            for (int j = a; j <= b; ++j) 
            {
                s = j + "";
                len = s.length();
                
                do
                {
                    s = s.charAt(len - 1) + s.substring(0, len - 1); 
                    
                    x = Integer.parseInt(s);
                            
                    if ((x > j) && (x >= a) && (x <= b))
                        ++result0;
                }
                while (x != j);
            }
            
            result += result0;
            
            System.out.println(result);
        }
    }
}
