/*
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 * and open the template in the editor.
 */
package codejam;

/**
 *
 * @author eblanco
 */
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import javax.swing.JFileChooser;

public class RecycledNumbers {

    public static String DatosArchivo[] = new String[10000];

    public static int[] convertStringArraytoIntArray(String[] sarray) throws Exception {
        if (sarray != null) {
            int intarray[] = new int[sarray.length];
            for (int i = 0; i < sarray.length; i++) {
                intarray[i] = Integer.parseInt(sarray[i]);
            }
            return intarray;
        }
        return null;
    }

    public static boolean CargarArchivo(String arch) throws FileNotFoundException, IOException {
        FileInputStream arch1;
        DataInputStream arch2;
        String linea;
        int i = 0;

        if (arch == null) {
            //frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            JFileChooser fc = new JFileChooser(System.getProperty("user.dir"));
            int rc = fc.showDialog(null, "Select a File");
            if (rc == JFileChooser.APPROVE_OPTION) {
                arch = fc.getSelectedFile().getAbsolutePath();
            } else {
                System.out.println("No hay nombre de archivo..Yo!");
                return false;
            }
        }
        arch1 = new FileInputStream(arch);
        arch2 = new DataInputStream(arch1);
        do {
            linea = arch2.readLine();
            DatosArchivo[i++] = linea;
            /* if (linea != null) {
            System.out.println(linea);
            }*/
        } while (linea != null);
        arch1.close();
        return true;
    }

    public static boolean GuardaArchivo(String arch, String[] Datos) throws FileNotFoundException, IOException {
        FileOutputStream out1;
        DataOutputStream out2;
        int i;
        out1 = new FileOutputStream(arch);
        out2 = new DataOutputStream(out1);

        for (i = 0; i < Datos.length; i++) {
            if (Datos[i] != null) {
                out2.writeBytes(Datos[i] + "\n");
            }
        }
        out2.close();
        return true;
    }

    public static void echo(Object msg) {
        System.out.println(msg);
    }

    public static void main(String[] args) throws IOException, Exception {
        String[] res = new String[10000], num = new String[2];
        int i, j, k, ilong;
        int ele = 1;
       ArrayList al = new ArrayList();
        String FName = "C-small-attempt0",  istr, irev, linea;
        if (CargarArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".in")) {
            for (j = 1; j <= Integer.parseInt(DatosArchivo[0]); j++) {
                linea = DatosArchivo[ele++];
                num = linea.split(" ");
                   al.clear();
                // echo("A: "+num[0]+" B: "+num[1]);
                for (i = Integer.parseInt(num[0]); i <= Integer.parseInt(num[1]); i++) {
                    istr = Integer.toString(i);
                    ilong = istr.length();
                 
                    for (k = 1; k < ilong; k++) {
                        if (ilong > k) {
                            irev = istr.substring(istr.length() - k, istr.length()) + istr.substring(0, istr.length() - k);
                            //echo("caso: " + j + ": isrt: " + istr + " irev: " + irev);
                            if ((Integer.parseInt(irev) > Integer.parseInt(num[0])) && (Integer.parseInt(irev) > Integer.parseInt(istr)) && (Integer.parseInt(irev) <= Integer.parseInt(num[1]))) {
                                al.add("(" + istr + "," + irev + ")");
                            }
                        }
                    }
                }
                HashSet hs = new HashSet();
                hs.addAll(al);
                al.clear();
                al.addAll(hs);
                res[j] = "Case #" + j + ": " + al.size();
                echo(res[j]);
                LeerArchivo.GuardaArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".out", res);
            }
        }
    }
}

import java.io.BufferedInputStream;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.net.URL;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

/**
 * @author vaidyasm
 */

public class ProblemC
{
	private class Pair implements Comparable<Pair>
	{
		int a, b;

		Pair(int a, int b)
		{
			this.a = Math.min(a, b);
			this.b = Math.max(a, b);
		}
		
		@Override
		public String toString()
		{
			return String.format("(%d, %d)", this.a, this.b);
		}
		
		@Override
		public boolean equals(Object o)
		{
			if (o instanceof Pair)
			{
				if (((Pair) o).compareTo(this) == 0)
					return true;
				else
					return false;
			}
			else 
				return false;
		}

		@Override
		public int compareTo(Pair o)
		{
			if (this.a == o.a)
				return 0;
			else if (this.a < o.a)
				return -1;
			else
				return 1;
		}
		
		public int hashCode()
		{
			return this.a << 16 + this.b;
		}
	}

	public ProblemC(String inFileName)
	{
		URL urlInFileName = ProblemC.class.getResource(inFileName);

		File inFile = null;
		FileInputStream fis = null;
		BufferedInputStream bis = null;

		try
		{
			inFile = new File(urlInFileName.toURI());
			fis = new FileInputStream(inFile);
			bis = new BufferedInputStream(fis);
		}
		catch (Exception e)
		{
//			System.err.println(e.getMessage());
		}

		Scanner s = new Scanner(bis);
		int T = Integer.parseInt(s.nextLine());
		StringBuilder sb = new StringBuilder();

		String outFileName = inFile.toString() + ".out";

		FileWriter fstream = null;
		try
		{
			fstream = new FileWriter(outFileName);
		}
		catch (IOException e)
		{
			System.err.println(e.getMessage());
			System.exit(-3);
		}

		BufferedWriter out = new BufferedWriter(fstream);

		Set<Pair> pairs = null;

		for (int i = 1; i <= T; i++)
		{
			int A = s.nextInt();
			int B = s.nextInt();
			pairs = new HashSet<Pair>();
			

			for (int j = A; j <= B; j++)
			{
				int n = j;
				int m = 0;

				String ns = String.format("%d", n);
				int nslen = ns.length();

				for (int k = 1; k < nslen; k++)
				{
					int nchop = n % (int) Math.pow(10, k);
					int rem = n / (int) Math.pow(10, k);
					int chopToPrefix = nchop * (int) Math.pow(10, nslen - k);
					m = chopToPrefix + rem;
					if (n < m && m <= B)
					{
						Pair p = new Pair(n, m);
						pairs.add(p);
					}
				}
			}

			String strCaseOutput = String.format("%d", pairs.size());
			sb.setLength(0);
			String strOutput = String.format("Case #%d: %s\n", i, strCaseOutput);
			try
			{
				out.write(strOutput);
			}
			catch (IOException e)
			{
//				System.err.println(e.getMessage());
			}
		}
		try
		{
			out.flush();
			out.close();
		}
		catch (IOException e)
		{
//			System.err.println(e.getMessage());
		}
	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args)
	{		
		if (args.length < 1)
			System.exit(-1);

		String inFileName = args[0];
		
		new ProblemC(inFileName);
	}
}