/*
 * 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.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.Writer;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;


public class RecycledNumbers {

	public static void main(String[] args) {

		if (args.length != 2) {
			System.out.println("Usage: java RecycledNumbers <input-file> <output-file>");
			System.exit(0);
		}
		
		try {
			
			RecycledCounter counter = 
					new RecycledCounter(new FileReader(args[0]), new FileWriter(args[1]));
			counter.count();
			
		} catch (Exception e) {
			
			System.out.println("Sorry, there was a fatal error:");
			e.printStackTrace();
			System.exit(0);
		}
	}
}

class RecycledCounter {
	
	private final BufferedReader reader;
	private final PrintWriter writer;
	
	public RecycledCounter(Reader in, Writer out) throws IOException {
		
		reader = new BufferedReader(in);
		writer = new PrintWriter(out);
	}
	
	public void count() throws IOException {
		
		String line = reader.readLine();
		int numTests = Integer.parseInt(line);
		
		for (int i = 0; i < numTests; i++) {
			
			line = reader.readLine();
			writer.printf("Case #%d: %s", i + 1, countNumberOfRecycledPairs(line));
			writer.println();
		}
		
		writer.flush();
		writer.close();
		reader.close();
	}
	
	public int countNumberOfRecycledPairs(String line) {
		
		String[] tokens = line.split(" ");
		int a = Integer.parseInt(tokens[0]);
		int b = Integer.parseInt(tokens[1]);
		
		int y = 0;
		Set<String> distinct = new HashSet<String>();
		
		for (; a <= b; a++) {
			
			if (a < 10) {
				continue;
			}
			
			String num = String.valueOf(a);
			for (int i = num.length() - 1; i > 0; i--) {
				String recycledNum = num.substring(i) + num.substring(0, i);
				if (recycledNum.startsWith("0")) {
					continue;
				}
				int recycled = Integer.valueOf(recycledNum);
				if (recycled >= a && recycled <= b && a < recycled && !distinct.contains(num + recycledNum)) {
					distinct.add(num + recycledNum);
					y++;
				}
			}
		}
		
		return y;
	}
}
