import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Scanner;
import java.util.TreeSet;

// Recycled Numbers
// https://code.google.com/codejam/contest/1460488/dashboard#s=p2

public class C {

	private static String process(Scanner in) {
		int A = in.nextInt();
		int B = in.nextInt();
		int res = 0;
		int len = Integer.toString(A).length();
		for(int n = A; n < B; n++) {
			String str = Integer.toString(n);
			TreeSet<Integer> set = new TreeSet<Integer>();
			for(int i = 1; i < len; i++) {
				int m = Integer.parseInt(str.substring(i, len) + str.substring(0, i));
				if ( m > n && m <= B && ! set.contains(m) ) {
					set.add(m);
					res++;
				}
			}
		}
		return Integer.toString(res);
	}

	public static void main(String[] args) throws Exception {
		Scanner in = new Scanner(System.in.available() > 0 ? System.in : 
			new FileInputStream(Thread.currentThread().getStackTrace()[1].getClassName() + ".practice.in"));
		int T = in.nextInt();
		for(int i = 1; i <= T; i++) 
			System.out.format("Case #%d: %s\n", i, process(in));
	}
}

package de.at.codejam.gui;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;

import javax.swing.JFileChooser;

import de.at.codejam.AbstractCodeJamProblemSolver;
import de.at.codejam.util.CodeJamConstants;
import de.at.codejam.util.StatusListener;

public abstract class AbstractCodeJamClient<CASE> implements CodeJamConstants {

	private final CodeJamWindow window = new CodeJamWindow();
	private final CodeJamMainPanel mainPanel = new CodeJamMainPanel();

	private final StatusListener statusListener = mainPanel;

	protected abstract AbstractCodeJamProblemSolver<CASE> getTaskSolver();

	protected abstract String getAssignmentName();

	public void start() {

		if (!DEFAULT_CODE_JAM_DIRECTORY.exists()) {
			DEFAULT_CODE_JAM_DIRECTORY.mkdirs();
		}

		window.setAssignmentName(getAssignmentName());
		window.setContentPane(mainPanel);
		window.setEnabled(true);
		window.setVisible(true);

		final JFileChooser fileChooser = mainPanel.getFileChooser();
		fileChooser.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {

				if (e.getActionCommand().equals(JFileChooser.CANCEL_SELECTION)) {
					System.exit(0);
					return;
				}

				File inputFile = fileChooser.getSelectedFile();

				String inputFilename = inputFile.getAbsolutePath();

				int suffixIndex = inputFilename.lastIndexOf(".in");
				String neutralFilenamePart = inputFilename.substring(0,
						suffixIndex);
				String outputFilename = neutralFilenamePart + ".out";

				File outputFile = new File(outputFilename);

				System.out.println("Input: " + inputFilename + ", exists: "
						+ inputFile.exists());
				System.out.println("Output: " + outputFilename + ", exists: "
						+ outputFile.exists());

				if (outputFile.exists()) {
					outputFile.delete();
				}

				try {
					outputFile.createNewFile();
				} catch (IOException ioexception) {
					ioexception.printStackTrace();
				}

				if ((null != inputFile) && (inputFile.exists())) {
					AbstractCodeJamProblemSolver<CASE> taskSolver = getTaskSolver();
					taskSolver.addStatusListener(statusListener);
					taskSolver.solveInputFile(inputFile, outputFile);
				}
			}
		});
	}
}
