/*
 * 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 codejam;

import java.io.File;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.Scanner;


public class QualificationC {
	public static long recycled(long nr1,long b){
		long count=0;
		String n1=String.valueOf(nr1);
		String n2=n1;
		HashMap<String,Boolean> gen=new HashMap<String,Boolean>();
		for(int i=0;i<n2.length();i++){
			n2=n2.substring(1,n2.length())+n2.substring(0,1);
			if(gen.containsKey(n2))continue;
			else gen.put(n2,Boolean.TRUE);
			long nr2=Long.parseLong(n2);
			if(String.valueOf(nr2).length()!=n1.length())continue;
			if(nr2>nr1&&nr2<=b){
				count++;
			}
		}
		return count;
	}
	public static void main(String[] args){
		try{
			Scanner sc=new Scanner(new File("C.in"));
			PrintStream ps=new PrintStream("C.out");
			int n=sc.nextInt();
			long a,b;
			for(int i=0;i<n;i++){
				long count=0;
				a=sc.nextLong();
				b=sc.nextLong();
				for(long nr1=a;nr1<b;nr1++)
					count+=recycled(nr1,b);
				ps.println("Case #"+(i+1)+": "+count);
			}
		}catch(Exception e){
			e.printStackTrace();
		}
	}
}
