import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;

public class Recycle {

	private static HashMap<Integer, HashSet<Integer>> map = new HashMap<Integer, HashSet<Integer>>();
	private static HashSet<Integer> toSkip = new HashSet<Integer>();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int tc = 1; tc <= T; tc++) {
			int a = reader.nextInt();
			int b = reader.nextInt();
			long before = System.currentTimeMillis();
			int res = doit(a, b);
			System.out.printf("Case #%d: %d\n", tc, res);
			long after = System.currentTimeMillis();
//			System.out.println("time taken: " + (after - before));
		}
	}

	private static int doit(int a, int b) {
		int count = 0;
		HashSet<Integer> skip = new HashSet<Integer>(toSkip);
		for (int i = a; i <= b; i++) {
			if (skip.contains(i))
				continue;
			HashSet<Integer> arr = generate(i);
//			if(arr.size() > 1) {
//				map.put(i, arr);
//			}
			// System.out.println(i + " --> " +
			// Arrays.deepToString(arr.toArray()));
			int temp = 0;
			if (arr.size() > 1) {
				for (int x : arr) {
					if (x >= a && x <= b) {
						temp++;
						skip.add(x);
					}
				}
				count += temp * (temp - 1) / 2;
			}
//			System.out.println("not skipping " + i + " gen: " + arr.size()+ " " + (temp * (temp - 1) / 2));
		}
		return count;
	}

	private static HashSet<Integer> generate(int num) {
		if(map.containsKey(num)) {
			HashSet<Integer> list = map.get(num);
			return list;
		}
		HashSet<Integer> list = new HashSet<Integer>();
		String s = "" + num;
		list.add(num);
		int len = s.length();
		for (int i = 1; i < len; i++) {
			String temp = s.substring(i) + s.substring(0, i);
			// System.out.println("temp: " + temp);
			if (temp.charAt(0) == '0')
				continue;
			int x = Integer.parseInt(temp);
			if( x <= 2000000) {
				list.add(x);
			}
		}
		if(list.size() > 1) {
			map.put(num, list);
		} else {
			toSkip.add(num);
		}
		return list;
	}

}

package de.at.codejam.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * FIXME - redesign ... keep closing and loading file for each test case, but
 * question every method and variable here. Remember new class TaskStatus - does
 * it inspire?
 */
public abstract class AbstractInputFileParser<CASE> implements
		CodeJamConstants, InputFileParser<CASE> {

	private final File inputFile;

	private TaskStatus taskStatus;

	private int numberCases = UNDEFINED;

	public AbstractInputFileParser(File inputFile) {
		this.inputFile = inputFile;
	}

	@Override
	public void initialize(TaskStatus taskStatus) {

		this.taskStatus = taskStatus;

		countCases();

		taskStatus.setNumberCases(numberCases);
		taskStatus.setNumberCurrentCase(1);
	}

	@Override
	public TaskStatus getTaskStatus() {
		return taskStatus;
	}

	public int countCases() {

		FileReader fileReader;
		BufferedReader bufferedReader;

		try {

			fileReader = new FileReader(inputFile);
			bufferedReader = new BufferedReader(fileReader);

			numberCases = Integer.parseInt(bufferedReader.readLine().trim());

			bufferedReader.close();
			fileReader.close();

		} catch (FileNotFoundException e) {
			// FIXME Error logging
		} catch (IOException e) {
			// FIXME Error logging
		} finally {
		}

		return numberCases;
	}

	public int getNumberCases() {
		return numberCases;
	}

	public boolean hasNextCase() {
		return (null != taskStatus)
				&& (taskStatus.getNumberCases() > taskStatus
						.getNumberCurrentCase());
	}

	public BufferedReader checkoutBufferedReader() throws FileNotFoundException {

		FileReader fileReader = null;
		BufferedReader bufferedReader = null;

		fileReader = new FileReader(inputFile);
		bufferedReader = new BufferedReader(fileReader);

		return bufferedReader;
	}

	public void checkinBufferedReader(BufferedReader bufferedReader)
			throws IOException {

		// Does this call also close the FileReader instance?
		bufferedReader.close();
	}

	public List<String> readLines(BufferedReader bufferedReader,
			int numberOfLines) throws IOException {

		List<String> lineList = new ArrayList<String>();

		int linesRead = 0;
		while (numberOfLines > linesRead) {

			// Reading Line
			String currentLine = bufferedReader.readLine();
			if (null == currentLine) {
				throw new RuntimeException("Unexpected end of file.");
			}

			lineList.add(currentLine);
			linesRead++;
		}

		return lineList;
	}

	public List<String> readLines(BufferedReader bufferedReader, int firstLine,
			int numberOfLines) throws IOException {

		int nrCurrentLine = 1;
		while (firstLine > nrCurrentLine) {

			// Skipping line, probably not the sweetest way to do it ... by any
			// means.
			if (null == bufferedReader.readLine()) {
				throw new RuntimeException("Unexpected end of file.");
			}

			nrCurrentLine++;
		}

		return readLines(bufferedReader, numberOfLines);
	}
}
