/*
 * 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 ProblemC;

import java.io.*;
import java.util.StringTokenizer;

public class RecycledNums {

	/**
	 * @param args
	 */
	
	public RecycledNums(){
		
	}
	
	
	public static void recycledNums() throws IOException{
		BufferedReader rdr = new BufferedReader(new FileReader("C-small-attempt0.in"));
        PrintWriter pw = new PrintWriter(new FileWriter("C.out"));
        int cases = Integer.parseInt(rdr.readLine());

        for (int i = 0; i < cases; i++) {
			String line = rdr.readLine();
            StringTokenizer st = new StringTokenizer(line);
			int A = Integer.parseInt(st.nextToken());
			int B = Integer.parseInt(st.nextToken());
			int result = 0;
			
			for (int n=A; n<B; n++){
				for (int m=n+1; m<=B; m++){
					String ns = n+"";
					String ms = m+"";
					//System.out.println("n "+n+" m "+m);
					if(ns.length() == ms.length()){
						for(int j=ns.length()-1 ; j>0; j--){
							//System.out.println(ns+" "+ms.substring(j, ns.length())+" "+ms.substring(0, j));
							if(ms.equals(ns.substring(j, ms.length())+ns.substring(0, j))){
								result++;
								break;
								//System.out.println(n+" "+m);
							}
						}
					}
				}
			}
			
			
            pw.println("Case #"+(i+1)+": "+result);
        }
        

        pw.close();
        rdr.close();
	}
	
	public static void main(String[] args)throws IOException {
		// TODO Auto-generated method stub
		recycledNums();
	}

}
