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.BorderLayout;
import java.io.File;

import javax.swing.JFileChooser;
import javax.swing.JPanel;
import javax.swing.filechooser.FileFilter;

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

public class CodeJamMainPanel extends JPanel implements CodeJamConstants,
		StatusListener {

	private static final long serialVersionUID = 5367570736703559286L;

	private JPanel mainArea = new JPanel(new BorderLayout());

	private final CodeJamStatusPanel statusPanel = new CodeJamStatusPanel();
	private final JFileChooser fileChooser = new JFileChooser(
			DEFAULT_CODE_JAM_DIRECTORY);

	public CodeJamMainPanel() {

		super(new BorderLayout());

		fileChooser.setAcceptAllFileFilterUsed(true);
		fileChooser.setDialogType(JFileChooser.OPEN_DIALOG);
		fileChooser.setDialogTitle("Input File Selection");
		FileFilter fileFilter = new FileFilter() {
			@Override
			public boolean accept(File inFile) {
				return inFile.isFile() && inFile.getName().endsWith(".in");
			}

			@Override
			public String getDescription() {
				return "Google Code Jam - .in files";
			}
		};
		fileChooser.addChoosableFileFilter(fileFilter);

		mainArea.add(statusPanel, BorderLayout.NORTH);
		mainArea.add(fileChooser);
		add(mainArea);
	}

	@Override
	public void updateStatus(TaskStatus taskStatus) {
		statusPanel.updateStatus(taskStatus);
	}

	@Override
	public void log(int logLevel, String message) {
		statusPanel.log(logLevel, message);
	}

	public JFileChooser getFileChooser() {
		return fileChooser;
	}
}
